ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-B01D.xml

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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="B01D" definition-exists="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>SEPARATION </text><reference><text>separating solids from solids by wet methods <class-ref scheme="cpc">B03B</class-ref>, <class-ref scheme="cpc">B03D</class-ref>; by pneumatic jigs or tables <class-ref scheme="cpc">B03B</class-ref>; by other dry methods <class-ref scheme="cpc">B07</class-ref>; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields <class-ref scheme="cpc">B03C</class-ref>; centrifuges, vortex apparatus <class-ref scheme="cpc">B04</class-ref>; presses <u>per se</u> for squeezing-out liquid from liquid-containing material <class-ref scheme="cpc">B30B9/02</class-ref>; treatment of water <class-ref scheme="cpc">C02F</class-ref>, e.g. softening by ion-exchange <class-ref scheme="cpc">C02F1/42</class-ref>; </text><CPC-specific-text><text>arrangements of air intake cleaners in gas turbine plants <class-ref scheme="cpc">F02C7/05</class-ref></text></CPC-specific-text><text> ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation <class-ref scheme="cpc">F24F13/28</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This subclass <u>covers:</u> <subnote type="bullet"><note-paragraph> evaporation, distillation, crystallisation, filtration, dust precipitation, gas cleaning, absorption, adsorption; </note-paragraph><note-paragraph> similar processes which are not concerned with, or limited to, separation, except in the case of absorption or adsorption. </note-paragraph></subnote></note-paragraph><note-paragraph> In this subclass, the terms or expressions are used with the meaning indicated: <subnote type="bullet"><note-paragraph> &quot;filtration&quot; and analogous terms include straining solids from fluids. Filtration is a process that normally uses a filter medium; </note-paragraph><note-paragraph> &quot;filter medium&quot; is a porous material or porous arrangement of material used to filter solids from fluids; </note-paragraph><note-paragraph> &quot;filtering element&quot; is a section of filter medium in addition to parts to which the medium is demountably or permanently fixed, including other sections of medium, end caps, peripheral frames or edge strips, but excluding housings; </note-paragraph><note-paragraph> &quot;filter housing&quot; is the fluid-constraining impervious vessel, whether open or closed, which contains, or is adapted to contain, one or more filtering elements or filter media; </note-paragraph><note-paragraph> &quot;filter chamber&quot; is the space within a housing, where filtering elements or filter media are located. Partitions may divide a single housing into a plurality of chambers; </note-paragraph><note-paragraph> &quot;filtering apparatus&quot; consists of filtering elements combined with housings, cleaning arrangements, motor or the like parts, which are characteristic of the particular type of apparatus. Ancillary devices such as pumps or valves are considered part of a filtering apparatus when inside the apparatus. Ancillary devices performing similar or different unit operation such as comminutors, mixers or non-filtering separators, whether or not inside the apparatus, are not considered part of a filtering apparatus. The term does not extend to apparatus, e.g. washing machines, of which the filter forms only a part. </note-paragraph></subnote></note-paragraph><note-paragraph> For apparatus used in drying or evaporation, class <class-ref scheme="cpc">F26</class-ref> takes precedence over this subclass. </note-paragraph><note-paragraph> Group <class-ref scheme="cpc">B01D59/00</class-ref> takes precedence over the other groups of this subclass and over other subclasses in class <class-ref scheme="cpc">B01</class-ref>. </note-paragraph><note-paragraph><CPC-specific-note>In this subclass, combination sets [C-Sets] are used. The detailed information about the C-Sets construction and the associated syntax rules are found in the definitions of <class-ref scheme="cpc">B01D</class-ref>.</CPC-specific-note></note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used">The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry> <class-ref scheme="ipc">B01D15/04</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01J39/00</class-ref> - <class-ref scheme="cpc">B01J49/90</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D17/022</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D17/0202</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D17/025</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D17/0208</class-ref></entry></row><row><entry><class-ref scheme="ipc">B01D17/028</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D17/0211</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D17/032</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D17/0214</class-ref></entry></row><row><entry><class-ref scheme="ipc">B01D17/035</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">B01D17/0205</class-ref></entry></row><row><entry><class-ref scheme="ipc">B01D17/038</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">B01D17/0217</class-ref></entry></row><row><entry><class-ref scheme="ipc">B01D17/05</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">B01D17/047</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D17/09</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D17/005</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D25/133</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D25/285</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D25/168</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D25/285</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D29/37</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D29/336</class-ref>, <class-ref scheme="cpc">B01D29/356</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D35/01</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">B01D36/001</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D61/26</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">A61M1/1656</class-ref></entry></row><row><entry> <class-ref scheme="ipc">B01D61/34</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">A61M1/16</class-ref></entry></row></table></note-paragraph><note-paragraph><CPC-specific-note>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B01D1/00" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D1/00" definition-exists="true" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Evaporating </text><reference><CPC-specific-text><text>evaporation in general, e.g. of liquids for gas phase reactions <class-ref scheme="cpc">B01B1/005</class-ref></text></CPC-specific-text><text> ; removal of incrustation <class-ref scheme="cpc">B08B</class-ref>; preparation of starch <class-ref scheme="cpc">C08B30/00</class-ref>; sugar industry <class-ref scheme="cpc">C13</class-ref>; prevention of incrustation <class-ref scheme="cpc">C23F</class-ref>; drying solid materials or objects by evaporating liquids therefrom <class-ref scheme="cpc">F26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0005" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Evaporating devices suitable for floating on water</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0011" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating features</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/0017" definition-exists="true" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of electrical or wave energy </text><reference><text><class-ref scheme="cpc">B01D1/0029</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/0023" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Induction heating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/0029" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of radiation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/0035" definition-exists="true" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solar energy </text><reference><text>for treatment of water <class-ref scheme="cpc">C02F1/14</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/0041" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of fluids</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/0047" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a closed circuit </text><reference><text><class-ref scheme="cpc">B01D3/007</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/0052" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of a liquid transfer medium or intermediate fluid, e.g. bain-marie</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/0058" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of waste energy from other processes or sources, e.g. combustion gas </text><reference><text>for water treatment <class-ref scheme="cpc">C02F1/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0064" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding of liquid into an evaporator</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/007" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the liquid feed being split up in at least two streams before entering the evaporator</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/0076" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0076</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Maintaining the liquid in the evaporator at a constant level</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0082" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulation; Control</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0088" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cascade evaporators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/0094" definition-exists="false" ipc-concordant="B01D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with forced circulation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/02" definition-exists="false" ipc-concordant="B01D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Evaporators with heating coils</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/04" definition-exists="false" ipc-concordant="B01D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Evaporators with horizontal tubes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/06" definition-exists="false" ipc-concordant="B01D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Evaporators with vertical tubes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/065" definition-exists="true" ipc-concordant="B01D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by film evaporating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/08" definition-exists="false" ipc-concordant="B01D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with short tubes </text><reference><text><class-ref scheme="cpc">B01D1/12</class-ref> </text><CPC-specific-text><text><class-ref scheme="cpc">B01D1/065</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/10" definition-exists="false" ipc-concordant="B01D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with long tubes, e.g. Kestner evaporators </text><reference><text><class-ref scheme="cpc">B01D1/12</class-ref> </text><CPC-specific-text><text><class-ref scheme="cpc">B01D1/065</class-ref></text></CPC-specific-text><text> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/12" definition-exists="false" ipc-concordant="B01D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>and forced circulation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/14" definition-exists="false" ipc-concordant="B01D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with heated gases or vapours </text><CPC-specific-text><text>or liquids</text></CPC-specific-text><text> in contact with the liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/16" definition-exists="false" ipc-concordant="B01D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by spraying </text><reference><text><class-ref scheme="cpc">B01D1/22</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/18" definition-exists="true" ipc-concordant="B01D1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to obtain dry solids </text><reference><text><class-ref scheme="cpc">B01D1/24</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/20" definition-exists="true" ipc-concordant="B01D1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sprayers </text><reference><text>in general <class-ref scheme="cpc">B05B</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/22" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by bringing a thin layer of the liquid into contact with a heated surface </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D1/065</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/221" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Composite plate evaporators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/222" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>In rotating vessels; vessels with movable parts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/223" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a rotor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D1/225" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with blades or scrapers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D1/226" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in the form of a screw or with helical blade members</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D1/227" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with brushes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/228" definition-exists="false" ipc-concordant="B01D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>horizontally placed cylindrical container or drum </text><reference><text><class-ref scheme="cpc">B01D1/223</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/24" definition-exists="true" ipc-concordant="B01D1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to obtain dry solids</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/26" definition-exists="false" ipc-concordant="B01D1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple-effect evaporating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/28" definition-exists="true" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vapour compression</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/2803" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2803</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special features relating to the vapour to be compressed</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2806" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2806</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The vapour is divided in at least two streams and only a part of the vapour is compressed</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D1/2809" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>At least two streams are compressed</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2812" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2812</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The vapour is coming from different sources</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D1/2815" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>At least one source is a compressor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2818" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2818</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning of the vapour before compression, e.g. demisters, washing of the vapour</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/284" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special features relating to the compressed vapour</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2843" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2843</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The compressed vapour is divided in at least two streams</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2846" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The compressed vapour is not directed to the same apparatus from which the vapour was taken off</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/285" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>In combination with vapour from an other source</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D1/2853" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>At least one of the other sources is a compressor, ejector</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2856" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2856</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The compressed vapour is used for heating a reboiler or a heat exchanger outside an evaporator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/2881" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2881</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compression specifications (e.g. pressure, temperature, processes)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/2884" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D1/2884</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Multiple effect compression </text><reference><text><class-ref scheme="cpc">B01D1/2815</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/2887" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2887</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The compressor is integrated in the evaporation apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/289" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/289</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compressor features (e.g. constructions, details, cooling, lubrication, driving systems)</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D1/2893" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2893</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Driving systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/2896" definition-exists="false" ipc-concordant="B01D1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/2896</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control, regulation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D1/30" definition-exists="false" ipc-concordant="B01D1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D1/30</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Accessories for evaporators </text><CPC-specific-text><text>; Constructional details thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D1/305" definition-exists="false" ipc-concordant="B01D1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D1/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Demister (vapour-liquid separation)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D3/00" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>B01D3/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping </text><reference><CPC-specific-text><text>evaporation in general, e.g. of liquids for gas phase reactions <class-ref scheme="cpc">B01B1/005</class-ref>;</text></CPC-specific-text><text> gas chromatography <class-ref scheme="cpc">B01D15/08</class-ref>; destructive distillation <class-ref scheme="cpc">C10B</class-ref>; preparation of alcoholic beverages by distillation <class-ref scheme="cpc">C12H6/02</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/001" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes specially adapted for distillation or rectification of fermented solutions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/002" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by continuous methods</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/003" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rectification of spirit</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/004" definition-exists="false" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by continuous methods</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D3/005" definition-exists="false" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combined distillation and rectification</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/006" definition-exists="false" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by vibration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/007" definition-exists="false" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Energy recuperation; Heat pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/008" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid distribution</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/009" definition-exists="true" ipc-concordant="B01D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with chemical reactions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/02" definition-exists="false" ipc-concordant="B01D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in boilers or stills</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/04" definition-exists="false" ipc-concordant="B01D3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pipe stills</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/06" definition-exists="false" ipc-concordant="B01D3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flash distillation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/065" definition-exists="false" ipc-concordant="B01D3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple-effect flash distillation (more than two traps)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/08" definition-exists="false" ipc-concordant="B01D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in rotating vessels</text></title-part><title-part><text>Atomisation on rotating discs </text><reference><CPC-specific-text><text><class-ref scheme="cpc">B01D1/222</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">B01D3/10</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/085" definition-exists="true" ipc-concordant="B01D3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a rotary evaporator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/10" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vacuum distillation </text><reference><text><class-ref scheme="cpc">B01D3/12</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/101" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recirculation of the fluid used as fluid working medium in a vacuum creating device</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/103" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a barometric column</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/105" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the use of an ejector for creating the vacuum, the ejector being placed between evaporator or distillation devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/106" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the use of a pump for creating vacuum and for removing the distillate</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/108" definition-exists="false" ipc-concordant="B01D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a vacuum lock for removing the concentrate during distillation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/12" definition-exists="false" ipc-concordant="B01D3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Molecular distillation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/14" definition-exists="true" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fractional distillation </text><CPC-specific-text><text>or use of a fractionation or rectification column</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/141" definition-exists="false" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>where at least one distillation column contains at least one dividing wall</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/143" definition-exists="false" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by two or more of a fractionation, separation or rectification step</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/145" definition-exists="false" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>One step being separation by permeation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/146" definition-exists="false" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple effect distillation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/148" definition-exists="false" ipc-concordant="B01D3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with at least one evaporator</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/16" definition-exists="false" ipc-concordant="B01D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fractionating columns in which vapour bubbles through liquid </text><reference><text>packing elements <class-ref scheme="cpc">B01J19/30</class-ref>, <class-ref scheme="cpc">B01J19/32</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/163" definition-exists="false" ipc-concordant="B01D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plates with valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/166" definition-exists="false" ipc-concordant="B01D3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating and/or cooling of plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/18" definition-exists="false" ipc-concordant="B01D3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with horizontal bubble plates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D3/20" definition-exists="false" ipc-concordant="B01D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bubble caps</text></title-part><title-part><text>Risers for vapour</text></title-part><title-part><text>Discharge pipes for liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D3/205" definition-exists="false" ipc-concordant="B01D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bubble caps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/22" definition-exists="false" ipc-concordant="B01D3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with horizontal sieve plates or grids</text></title-part><title-part><text>Construction of sieve plates or grids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D3/225" definition-exists="false" ipc-concordant="B01D3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dual-flow sieve trays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/24" definition-exists="false" ipc-concordant="B01D3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sloping plates or elements mounted stepwise</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/26" definition-exists="false" ipc-concordant="B01D3/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/28" definition-exists="false" ipc-concordant="B01D3/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fractionating columns with surface contact and vertical guides, e.g. film action</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/30" definition-exists="false" ipc-concordant="B01D3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fractionating columns with movable parts or in which centrifugal movement is caused</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/32" definition-exists="false" ipc-concordant="B01D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D3/32</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Other features of fractionating columns </text><CPC-specific-text><text>; Constructional details of fractionating columns not provided for in groups <class-ref scheme="cpc">B01D3/16</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D3/30</class-ref></text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/322" definition-exists="false" ipc-concordant="B01D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reboiler specifications</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/324" definition-exists="false" ipc-concordant="B01D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tray constructions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D3/326" definition-exists="false" ipc-concordant="B01D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tray supports</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D3/328" definition-exists="false" ipc-concordant="B01D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealing between the column and the trays</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/34" definition-exists="false" ipc-concordant="B01D3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one or more auxiliary substances</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/343" definition-exists="false" ipc-concordant="B01D3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the substance being a gas</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/346" definition-exists="false" ipc-concordant="B01D3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the gas being used for removing vapours, e.g. transport gas</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/36" definition-exists="false" ipc-concordant="B01D3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Azeotropic distillation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/38" definition-exists="false" ipc-concordant="B01D3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Steam distillation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/40" definition-exists="true" ipc-concordant="B01D3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Extractive distillation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D3/42" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regulation</text></title-part><title-part><text>Control</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/4205" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reflux ratio control splitter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D3/4211" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of columns</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4216" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4222" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head- and side stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4227" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head- and bottom stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4233" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4238" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head-, side- and bottom stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4244" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head-, side- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/425" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head-, bottom- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4255" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4255</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Head-, side-, bottom- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4261" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4266" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side- and bottom stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4272" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4277" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4277</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Side-, bottom- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4283" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bottom stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4288" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bottom- and feed stream</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D3/4294" definition-exists="false" ipc-concordant="B01D3/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D3/4294</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed stream</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D5/00" definition-exists="true" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensation of vapours</text></title-part><title-part><text>Recovering volatile solvents by condensation </text><reference><text><class-ref scheme="cpc">B01D8/00</class-ref> takes precedence; condensers <class-ref scheme="cpc">F28B</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D5/0003" definition-exists="true" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0006" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coils or serpentines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0009" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horizontal tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0012" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertical tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0015" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0018" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dome shaped </text><reference><text><class-ref scheme="cpc">B01D5/0066</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0021" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vortex</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0024" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rotating vessels or vessels containing movable parts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D5/0027" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by direct contact between vapours or gases and the cooling medium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/003" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>within column(s)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D5/0033" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Other features</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0036" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple-effect condensation; Fractional condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0039" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recuperation of heat, e.g. use of heat pump(s), compression</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0042" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermo-electric condensing; using Peltier-effect</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0045" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0048" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Barometric condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0051" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D5/0051</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Regulation processes; Control systems, e.g. valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0054" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>General arrangements, e.g. flow sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D5/0057" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with other processes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/006" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with evaporation or distillation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D5/0063" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reflux condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D5/0066" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dome shaped condensation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0069" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with degasification or deaeration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0072" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with filtration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0075" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with heat exchanging </text><reference><text><class-ref scheme="cpc">B01D5/0039</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D5/0078" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by auxiliary systems or arrangements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0081" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding the steam or the vapours</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0084" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feeding or collecting the cooling medium </text><reference><text><class-ref scheme="cpc">B01D5/0087</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0087" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recirculating of the cooling medium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/009" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Collecting, removing and/or treatment of the condensate</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0093" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing and treatment of non condensable gases</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D5/0096" definition-exists="false" ipc-concordant="B01D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D5/0096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning </text><reference><text>cleaning in general <class-ref scheme="cpc">B08B</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D7/00" definition-exists="true" ipc-concordant="B01D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sublimation </text><reference><text><class-ref scheme="cpc">B01D8/00</class-ref> takes precedence; freeze-drying <class-ref scheme="cpc">F26</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D7/02" definition-exists="false" ipc-concordant="B01D7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D7/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Crystallisation directly from the vapour phase </text><reference><text>into single crystals <class-ref scheme="cpc">C30B23/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D8/00" definition-exists="true" ipc-concordant="B01D8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D8/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cold traps</text></title-part><title-part><text>Cold baffles </text><reference><text>pumps for evacuating by condensing or freezing <class-ref scheme="cpc">F04B37/08</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D9/00" definition-exists="true" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D9/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Crystallisation </text><reference><text>crystallisation directly from the vapour phase <class-ref scheme="cpc">B01D7/02</class-ref>; making single crystals <class-ref scheme="cpc">C30B</class-ref>  </text><CPC-specific-text><text>; crystallisation as part of the Bayer process also classified in <class-ref scheme="cpc">C01F7/14</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0004" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cooling by heat exchange </text><reference><text>by evaporation of components of the mixture to be separated <class-ref scheme="cpc">B01D9/0013</class-ref>; refrigeration machines <class-ref scheme="cpc">F25B</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0009" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by direct heat exchange with added cooling fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0013" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by indirect heat exchange</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0018" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Evaporation of components of the mixture to be separated</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0022" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by reducing pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0027" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by means of conveying fluid, e.g. spray-crystallisation </text><reference><text>spray-drying <class-ref scheme="cpc">F26B</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0031" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by heating </text><reference><text><class-ref scheme="cpc">B01D9/0022</class-ref>, <class-ref scheme="cpc">B01D9/0027</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0036" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crystallisation on to a bed of product crystals; Seeding</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/004" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fractional crystallisation; Fractionating or rectifying columns</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0045" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Washing of crystals, e.g. in wash columns</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/005" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/0054" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of anti-solvent</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0059" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>General arrangements of crystallisation plant, e.g. flow sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0063" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control or regulation </text><reference><text>control <u>per se</u> <class-ref scheme="cpc">G05</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0068" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Prevention of crystallisation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0072" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crystallisation in microfluidic devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0077" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Screening for crystallisation conditions or for crystal forms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/0081" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of vibrations, e.g. ultrasound</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D9/0086" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2009/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes or apparatus therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D9/009" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2009/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separation of organic compounds by selective or extractive crystallisation with the aid of auxiliary substances forming complex or molecular compounds, e.g. with ureum, thioureum or metal salts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D9/0095" definition-exists="false" ipc-concordant="B01D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2009/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with the aid of other complex forming substances than ureum, thioureum or metal salts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D9/02" definition-exists="false" ipc-concordant="B01D9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D9/02</classification-symbol><class-title date-revised="2021-08-01"><title-part><text>from solutions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D9/04" definition-exists="false" ipc-concordant="B01D9/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D9/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>concentrating solutions by removing frozen solvent therefrom</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D11/00" definition-exists="true" ipc-concordant="B01D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solvent extraction</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D11/002" definition-exists="false" ipc-concordant="B01D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2011/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Counter-current extraction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D11/005" definition-exists="false" ipc-concordant="B01D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2011/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Co-current extraction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D11/007" definition-exists="false" ipc-concordant="B01D11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2011/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Extraction using a solvent in the gas phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D11/02" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of solids</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Combinations of characteristics of individual groups, e.g. <class-ref scheme="cpc">B01D11/0226</class-ref> and <class-ref scheme="cpc">B01D11/028</class-ref> are expressed as <class-ref scheme="cpc">B01D11/0226</class-ref> + <class-ref scheme="cpc">B01D11/028</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0203" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a supercritical fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0207" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0211" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with an electric or magnetic field</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0215" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid material in other stationary receptacles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0219" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0219</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fixed bed of solid material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0223" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Moving bed of solid material </text><reference><text><u>see</u> also <class-ref scheme="cpc">B01D11/0261</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0226" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D11/0226</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. worm</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/023" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using moving bands, trays fixed on moving transport chains</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0234" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0234</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using other slow rotating arms or elements, whereby the general transport direction of the solids is not parallel to the rotation axis, e.g. perpendicular </text><reference><text><class-ref scheme="cpc">B01D11/0238</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0238" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0238</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on fixed or rotating flat surfaces, e.g. tables combined with rotating elements or on rotating flat surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0242" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in towers, e.g. comprising contacting elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D11/0246" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0246</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising rotating means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D11/0249" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0249</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising jet means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0253" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluidised bed of solid materials</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0257" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0257</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using mixing mechanisms, e.g. stirrers, jets </text><reference><text><class-ref scheme="cpc">B01D11/0242</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0261" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising vibrating mechanisms, e.g. mechanical, acoustical</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0265" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applying ultrasound</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0269" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid material in other moving receptacles </text><reference><text><class-ref scheme="cpc">B01D11/0238</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0273" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in rotating drums</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D11/0276" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D11/0276</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>with the general transport direction of the solids parallel to the rotation axis of the conveyor, e.g. spirals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/028" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0284" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multistage extraction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0288" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applications, solvents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0292" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0292</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment of the solvent</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0296" definition-exists="false" ipc-concordant="B01D11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0296</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Condensation of solvent vapours </text><reference><text>condensation in general <class-ref scheme="cpc">B01D5/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D11/04" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of solutions which are liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0403" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a supercritical fluid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0407" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the supercritical fluid acting as solvent for the solute</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0411" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the supercritical fluid acting as solvent for the solvent and as anti-solvent for the solute, e.g. formation of particles from solutions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0415" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0419" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0419</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with an electric or magnetic field or with vibrations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0423" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applying ultrasound</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0426" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Counter-current multistage extraction towers in a vertical or sloping position</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/043" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with stationary contacting elements, sieve plates or loose contacting elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0434" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0434</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising rotating mechanisms, e.g. mixers, rotational oscillating motion, mixing pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0438" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising vibrating mechanisms, electromagnetic radiations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0442" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixers with gas-agitation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0446" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Juxtaposition of mixers-settlers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0449" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0449</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with stationary contacting elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0453" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with narrow passages limited by plates, walls, e.g. helically coiled tubes </text><reference><text><class-ref scheme="cpc">B01D11/0461</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0457" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0457</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising rotating mechanisms, e.g. mixers, mixing pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0461" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mixing by counter-current streams provoked by centrifugal force</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0465" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising vibrating mechanisms, radiations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0469" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with gas agitation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/0473" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Jet mixers, venturi mixers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0476" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Moving receptacles, e.g. rotating receptacles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D11/048" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixing by counter-current streams provoked by centrifugal force, in rotating coils or in other rotating spaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0484" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0488" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0492" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Applications, solvents used</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D11/0496" definition-exists="false" ipc-concordant="B01D11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D11/0496</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by extraction in microfluidic devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D12/00" definition-exists="true" ipc-concordant="B01D12/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D12/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Displacing liquid, e.g. from wet solids or from dispersions of liquids or from solids in liquids, by means of another liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D15/00" definition-exists="true" ipc-concordant="B01D15/00" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating processes involving the treatment of liquids with solid sorbents </text><reference><text>using liquid sorbents <class-ref scheme="cpc">B01D11/00</class-ref>; ion exchange processes or materials, sorbent materials in general <class-ref scheme="cpc">B01J</class-ref>, e.g. sorbents for chromatography <class-ref scheme="cpc">B01J20/281</class-ref>; for investigating or analysing materials <class-ref scheme="cpc">G01N30/00</class-ref></text></reference></title-part><title-part><text>Apparatus therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D15/02" definition-exists="false" ipc-concordant="B01D15/02" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving adsorbents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D15/08" definition-exists="false" ipc-concordant="B01D15/08" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selective adsorption, e.g. chromatography</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><br/> In order that group <class-ref scheme="cpc">B01D15/08</class-ref> may provide a basis for a complete search with respect to chromatography in general, all subject matter of general interest is classified in this group even if it is classified primarily in the application-oriented groups, for example dairy products <class-ref scheme="cpc">A23C9/148</class-ref>, treatment of blood, e.g. <class-ref scheme="cpc">A61M1/36</class-ref>, optically active organic compounds <class-ref scheme="cpc">C07B57/00</class-ref> or peptides <class-ref scheme="cpc">C07K1/16</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D15/10" definition-exists="false" ipc-concordant="B01D15/10" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D15/10</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>characterised by constructional or operational features</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/12" definition-exists="false" ipc-concordant="B01D15/12" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to the preparation of the feed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/125" definition-exists="false" ipc-concordant="B01D15/12" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pre-filtration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/14" definition-exists="false" ipc-concordant="B01D15/14" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to the introduction of the feed to the apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/16" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to the conditioning of the fluid carrier</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/161" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Temperature conditioning</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/163" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure or speed conditioning</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/165" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flash chromatography</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/166" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluid composition conditioning, e.g. gradient</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/168" definition-exists="false" ipc-concordant="B01D15/16" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>pH gradient, chromatofocusing, i.e. separation according to the isoelectric point pI</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/18" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to flow patterns</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/1807" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using counter-currents, e.g. fluidised beds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/1814" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>recycling of the fraction to be distributed</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/1821" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1821</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simulated moving beds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D15/1828" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by process features</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="B01D15/1835" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1835</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flushing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D15/1842" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by apparatus features</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D15/185" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by the components to be separated</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/1857" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1857</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactive simulated moving beds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/1864" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1864</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using two or more columns</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D15/1878" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1878</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for multi-dimensional chromatography</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/1885" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>placed in parallel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/1892" definition-exists="false" ipc-concordant="B01D15/18" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/1892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the sorbent material moving as a whole, e.g. continuous annular chromatography, true moving beds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/203" definition-exists="false" ipc-concordant="B01D15/20" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Equilibration or regeneration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/206" definition-exists="false" ipc-concordant="B01D15/20" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Packing or coating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/22" definition-exists="false" ipc-concordant="B01D15/22" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to the construction of the column</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/24" definition-exists="false" ipc-concordant="B01D15/24" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>relating to the treatment of the fractions to be distributed</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/242" definition-exists="false" ipc-concordant="B01D15/24" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Intermediate storage of effluents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/245" definition-exists="false" ipc-concordant="B01D15/24" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adding materials to the effluents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/247" definition-exists="false" ipc-concordant="B01D15/24" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fraction collectors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D15/26" definition-exists="false" ipc-concordant="B01D15/26" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the separation mechanism</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/265" definition-exists="false" ipc-concordant="B01D15/26" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Adsorption chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/30" definition-exists="false" ipc-concordant="B01D15/30" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Partition chromatography</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/305" definition-exists="false" ipc-concordant="B01D15/30" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydrophilic interaction chromatography [HILIC]</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/32" definition-exists="false" ipc-concordant="B01D15/32" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bonded phase chromatography</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/322" definition-exists="false" ipc-concordant="B01D15/32" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Normal bonded phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/325" definition-exists="false" ipc-concordant="B01D15/32" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reversed phase</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/327" definition-exists="false" ipc-concordant="B01D15/32" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/327</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with hydrophobic interaction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/34" definition-exists="false" ipc-concordant="B01D15/34" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Size selective separation, e.g. size exclusion chromatography, gel filtration, permeation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/345" definition-exists="false" ipc-concordant="B01D15/34" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Perfusive chromatography</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/36" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving ionic interaction</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/361" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ion-exchange</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/362" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/362</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cation-exchange</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/363" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anion-exchange</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/364" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/364</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Amphoteric or zwitterionic ion-exchanger</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/365" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ion-exclusion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/366" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ion-pair, e.g. ion-pair reversed phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/367" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/367</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ion-suppression</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/368" definition-exists="false" ipc-concordant="B01D15/36" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cation- pi interaction</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/38" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D15/38</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>involving specific interaction not covered by one or more of groups <class-ref scheme="cpc">B01D15/265</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D15/36</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3804" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3804</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Affinity chromatography</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3809" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the antigen-antibody type, e.g. protein A, G, L chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3814" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the substrate or co-factor - enzyme type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3819" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3819</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the nucleic acid-nucleic acid binding protein type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3823" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of other types, e.g. avidin, streptavidin, biotin</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3828" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ligand exchange chromatography, e.g. complexation, chelation or metal interaction chromatography</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3833" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chiral chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D15/3838" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2015/3838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ligand exchange chromatography, e.g. complexation chromatography, chelation chromatography, metal interaction chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3842" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Micellar chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3847" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3847</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multimodal interactions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3852" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3852</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using imprinted phases or molecular recognition; using imprinted phases</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3857" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3857</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reaction chromatography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/3861" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an external stimulus</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3866" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using ultra-sound</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3871" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3871</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3876" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>modifying the temperature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/388" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/388</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>modifying the pH</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D15/3885" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/3885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Using electrical or magnetic means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D15/389" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2015/389</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using ultra-sound</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D15/3895" definition-exists="false" ipc-concordant="B01D15/38" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2015/3895</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using light</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/40" definition-exists="false" ipc-concordant="B01D15/40" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D15/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using supercritical fluid as mobile phase or eluent</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D15/42" definition-exists="false" ipc-concordant="B01D15/42" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D15/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the development mode, e.g. by displacement or by elution</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/422" definition-exists="false" ipc-concordant="B01D15/42" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D15/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Displacement mode</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/424" definition-exists="false" ipc-concordant="B01D15/42" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D15/424</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elution mode</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D15/426" definition-exists="false" ipc-concordant="B01D15/42" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D15/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Specific type of solvent</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D15/428" definition-exists="false" ipc-concordant="B01D15/42" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D15/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Frontal mode</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D17/00" definition-exists="true" ipc-concordant="B01D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion </text><reference><text>devices for separating or removing fatty or oily substances or similar floating material from water, waste water, or sewage <class-ref scheme="cpc">C02F1/40</class-ref>; cleaning or keeping clear the surface of open water from oil or like materials <class-ref scheme="cpc">E02B15/04</class-ref>; arrangements for separating lubricants from refrigerants <class-ref scheme="cpc">F25B43/02</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> in this group, documents are classified and arranged according to a combination system limited to the symbols of the group and subgroups of <class-ref scheme="cpc">B01D17/00</class-ref>. In this system each combination is indicated, also of subgroups depending from the same group, e.g. <class-ref scheme="cpc">B01D17/041</class-ref> + <class-ref scheme="cpc">B01D17/042</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D17/005" definition-exists="false" ipc-concordant="B01D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thermal diffusion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D17/02" definition-exists="false" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of non-miscible liquids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/0202" definition-exists="false" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by ab- or adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/0205" definition-exists="true" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gas bubbles or moving solids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/0208" definition-exists="false" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sedimentation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/0211" definition-exists="false" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0211</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with baffles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/0214" definition-exists="false" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0214</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with removal of one of the phases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/0217" definition-exists="true" ipc-concordant="B01D17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifugal force</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/04" definition-exists="false" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Breaking emulsions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/041" definition-exists="false" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with moving devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/042" definition-exists="false" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing the temperature</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/044" definition-exists="false" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing the pressure</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/045" definition-exists="true" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with coalescers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/047" definition-exists="true" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with separation aids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D17/048" definition-exists="true" ipc-concordant="B01D17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by changing the state of aggregation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D17/06" definition-exists="true" ipc-concordant="B01D17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of liquids from each other by electricity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D17/08" definition-exists="false" ipc-concordant="B01D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D17/08</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Thickening liquid suspensions by filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/085" definition-exists="false" ipc-concordant="B01D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D17/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D17/10" definition-exists="false" ipc-concordant="B01D17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D17/10</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with stationary filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D17/12" definition-exists="false" ipc-concordant="B01D17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary equipment particularly adapted for use with liquid-separating apparatus, e.g. control circuits</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D19/00" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Degasification of liquids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0005" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with one or more auxiliary substances</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/001" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bubbling steam through the liquid </text><reference><text><class-ref scheme="cpc">B01D19/0042</class-ref>, <class-ref scheme="cpc">B01D19/0047</class-ref> and <class-ref scheme="cpc">B01D19/0052</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D19/0015" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in contact columns containing plates, grids or other filling elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0021" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bringing the liquid in a thin layer</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0026" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in rotating vessels or in vessels containing movable parts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0031" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by filtration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0036" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flash degasification </text><reference><text>the other groups take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0042" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>modifying the liquid flow </text><reference><text><class-ref scheme="cpc">B01D19/0021</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0047" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Atomizing, spraying, trickling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0052" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused </text><reference><text><class-ref scheme="cpc">B01D19/0026</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D19/0057" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0063" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regulation, control including valves and floats </text><reference><text>for construction and details of valves <class-ref scheme="cpc">F16K</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0068" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-09-01" status="published"><classification-symbol>B01D19/0068</classification-symbol><class-title date-revised="2015-09-01"><title-part><CPC-specific-text><text>General arrangements, e.g. flowsheets </text><reference><text><class-ref scheme="cpc">B01D19/0063</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/0073" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D19/0073</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>by a method not covered by groups <class-ref scheme="cpc">B01D19/0005</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D19/0042</class-ref></text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0078" definition-exists="false" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by vibration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0084" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using an electric current</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0089" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using a magnetic field </text><reference><text>magnetic separation in general <class-ref scheme="cpc">B03C1/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/0094" definition-exists="true" ipc-concordant="B01D19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a vortex, cavitation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D19/02" definition-exists="true" ipc-concordant="B01D19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foam dispersion or prevention </text><reference><text>during boiling <class-ref scheme="cpc">B01B1/02</class-ref>; during fermentation <class-ref scheme="cpc">C12</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D19/04" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by addition of chemical substances</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Antifoam compositions containing a specific compound as the main substance are only classified in the, for this specific compound, corresponding <class-ref scheme="cpc">B01D19/0404</class-ref> subgroup (e.g. polysiloxanes receive the classification <class-ref scheme="cpc">B01D19/0409</class-ref> ); when the specific compound(s) is (are) not the main substance, then the attributed classification for this compound(s) is a combination of <class-ref scheme="cpc">B01D19/0404</class-ref> + the corresponding <class-ref scheme="cpc">B01D19/0404</class-ref> subgroup(s), (e.g. hydrocarbons containing silica are classified in <class-ref scheme="cpc">B01D19/0404</class-ref> + <class-ref scheme="cpc">B01D19/0409</class-ref> ). <br/> If the main substance is a mixture containing more than one specific compound, then the attributed classification is a combination of the corresponding <class-ref scheme="cpc">B01D19/0404</class-ref> subgroup of the specific compounds, (e.g. benzene sulfonate and an amide are classified in <class-ref scheme="cpc">B01D19/0413</class-ref> + <class-ref scheme="cpc">B01D9/02</class-ref> ). </note-paragraph><note-paragraph> In groups <class-ref scheme="cpc">B01D19/0404</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D19/0495</class-ref>, in the absence of an indication to the contrary, an invention is classified in the last appropriate place]. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D19/0404" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the nature of the chemical substance</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0409" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0409</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compounds containing Si-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0413" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compounds containing N-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0418" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compounds containing P-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0422" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compounds containing S-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0427" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>compounds containing halogen-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0431" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing aromatic rings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D19/0436" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with substituted groups</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/044" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain Si-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0445" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain N-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/045" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain P-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0454" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain S-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0459" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0459</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain halogen-atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0463" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing rings other than aromatic rings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D19/0468" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with substituted groups</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0472" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain Si-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0477" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain N-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0481" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain P-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/0486" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain S-atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D19/049" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which contain halogen-atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D19/0495" definition-exists="false" ipc-concordant="B01D19/04" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D19/0495</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing hetero rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D21/00" definition-exists="true" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-02-01" status="published"><classification-symbol>B01D21/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Separation of suspended solid particles from liquids by sedimentation </text><reference><CPC-specific-text><text>separation of ores or the like by sedimentation <class-ref scheme="cpc">B03B5/48</class-ref>&#160;-&#160;<class-ref scheme="cpc">B03B5/60</class-ref></text></CPC-specific-text><text> ; differential sedimentation <class-ref scheme="cpc">B03D3/00</class-ref>; </text><CPC-specific-text><text>purification of water, waste water, sewage or sludge <class-ref scheme="cpc">C02F</class-ref>, e.g.</text></CPC-specific-text><text> devices for separating or removing fatty or oily substances or similar floating material from water, waste water or sewage <class-ref scheme="cpc">C02F1/40</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note> Attention is made to the following places of filters: <br/> liquid-liquid separation, e.g. for filtering elements made hydrophilic or hydrophobic, <class-ref scheme="cpc">B01D12/00</class-ref>,  <class-ref scheme="cpc">B01D17/00</class-ref>,  <class-ref scheme="cpc">B01D43/00</class-ref>;  filtering material and its regeneration, as well as filtering aids, <class-ref scheme="cpc">B01D39/00</class-ref>;  gas or air filters in general <class-ref scheme="cpc">B01D46/00</class-ref>; <br/> &#160; aquarium filters <class-ref scheme="cpc">A01K63/04</class-ref>;  filters for cigars and cigarettes <class-ref scheme="cpc">A24D3/00</class-ref>;  filters for coffee or tea-making machines <class-ref scheme="cpc">A47J31/06</class-ref>;  filters for frying fat <class-ref scheme="cpc">A47J37/12</class-ref>;  filters for suction cleaners <class-ref scheme="cpc">A47L9/10</class-ref>;  blood or infusion liquid filters <class-ref scheme="cpc">A61M5/165</class-ref>;  filtration devices for laboratory use <class-ref scheme="cpc">B01L</class-ref>;  &quot;dewatering&quot; ore or coal slurry <class-ref scheme="cpc">B03B5/48</class-ref>;  magnetic filters <class-ref scheme="cpc">B03C1/00</class-ref>;  screens or sieves per se <class-ref scheme="cpc">B07B1/00</class-ref>; <br/> filters for lubricating and cooling systems in turning, boring or milling machines <class-ref scheme="cpc">B23Q11/10</class-ref>; <br/> filters for cooling systems in grinding machines <class-ref scheme="cpc">B24B55/00</class-ref>;  extrusion filters <class-ref scheme="cpc">B29C48/69</class-ref>; <br/> filter presses <class-ref scheme="cpc">B30B9/02</class-ref>; purification of process water, drinking water and waste water <class-ref scheme="cpc">C02F</class-ref>; filters for alcoholic beverages <class-ref scheme="cpc">C12H1/00</class-ref>; <br/> filtering spinning solution or melt <class-ref scheme="cpc">D01D1/10</class-ref>; <br/> filters for washing machines <class-ref scheme="cpc">D06F39/10</class-ref>; <br/> filters or strainers for papermaking <class-ref scheme="cpc">D21D</class-ref>; <br/> filters in water collecting systems <class-ref scheme="cpc">E03B3/18</class-ref>,  <class-ref scheme="cpc">E03B7/07</class-ref>; <br/> subsoil filters for boreholes <class-ref scheme="cpc">E21B43/02</class-ref>; <br/> air filters for internal-combustion engines <class-ref scheme="cpc">F02M35/02</class-ref>; <br/> filters for pumps <class-ref scheme="cpc">F04B39/16</class-ref>,  <class-ref scheme="cpc">F04D29/70</class-ref>; <br/> filters in pipe systems <class-ref scheme="cpc">F16L55/24</class-ref>; <br/> filtration of lubricants <class-ref scheme="cpc">F16N39/06</class-ref>; <br/> filters for volume measuring apparatus <class-ref scheme="cpc">G01F15/12</class-ref></CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0003" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making of sedimentation devices, structural details thereof, e.g. prefabricated parts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0006" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks provided with means for cleaning and maintenance</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0009" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks making use of electricity or magnetism </text><reference><text>electric ultra filters <class-ref scheme="cpc">B01D61/425</class-ref>; filters making use of electricity or magnetism <class-ref scheme="cpc">B01D35/06</class-ref>; magnetic or electrostatic separation <class-ref scheme="cpc">B03C</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0012" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks making use of filters, e.g. by floating layers of particulate material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0015" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the inclination of settling devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0018" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a pump mounted in or on a settling tank</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0021" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with a jet pump</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0024" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inlets or outlets provided with regulating devices, e.g. valves, flaps </text><reference><text><class-ref scheme="cpc">B01D21/24</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0027" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Floating sedimentation devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/003" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sedimentation tanks provided with a plurality of compartments separated by a partition wall </text><reference><text><class-ref scheme="cpc">B01D21/0039</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0033" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertical, perforated partition walls </text><reference><text><class-ref scheme="cpc">B01D21/2422</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0036" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horizontal partition walls</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0039" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks provided with contact surfaces, e.g. baffles, particles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0042" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Baffles or guide plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0045" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plurality of essentially parallel plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0048" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plurality of plates inclined in alternating directions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0051" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plurality of tube like channels</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0054" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plates in form of a coil</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0057" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with counter-current flow direction of liquid and solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/006" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with co-current flow direction of liquid and solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0063" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with cross-flow flow direction of liquid and solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0066" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a meandering flow pattern of liquid or solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/0069" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making of contact surfaces, structural details, materials therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/0072" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D21/0072</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Means for adjusting, moving or controlling the position or inclination of the contact surfaces, e.g. for optimising the particle-liquid separation, for removing the settled particles, for preventing fouling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/0075" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Contact surfaces having surface features</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0084" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Enhancing liquid-particle separation using the flotation principle </text><reference><text>flotation in general <class-ref scheme="cpc">B03D1/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0087" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow </text><reference><text><class-ref scheme="cpc">B01D21/2411</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/009" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heating or cooling mechanisms specially adapted for settling tanks</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0093" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanisms for taking out of action one or more units of a multi-unit settling mechanism</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/0096" definition-exists="false" ipc-concordant="B01D21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/0096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Safety mechanisms specially adapted for settling tanks </text><reference><text><class-ref scheme="cpc">B01D21/22</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/01" definition-exists="false" ipc-concordant="B01D21/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using flocculating agents </text><reference><text>for purifying water <class-ref scheme="cpc">C02F1/52</class-ref>; for liquid radioactive waste <class-ref scheme="cpc">G21F9/10</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/02" definition-exists="false" ipc-concordant="B01D21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Settling tanks </text><CPC-specific-text><text>with single outlets for the separated liquid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/04" definition-exists="false" ipc-concordant="B01D21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving scrapers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/06" definition-exists="false" ipc-concordant="B01D21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotating scrapers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/08" definition-exists="false" ipc-concordant="B01D21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>provided with flocculating compartments</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/10" definition-exists="false" ipc-concordant="B01D21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D21/10</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Settling tanks with multiple outlets for the separated liquids</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/12" definition-exists="false" ipc-concordant="B01D21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D21/12</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with moving scrapers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/14" definition-exists="false" ipc-concordant="B01D21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D21/14</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with rotating scrapers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/16" definition-exists="false" ipc-concordant="B01D21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D21/16</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>provided with flocculating compartments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/18" definition-exists="false" ipc-concordant="B01D21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the scrapers or the driving mechanisms for settling tanks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/183" definition-exists="false" ipc-concordant="B01D21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple scraping mechanisms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/186" definition-exists="false" ipc-concordant="B01D21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with two or more scrapers fixed at different heights on a central rotating shaft</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/20" definition-exists="false" ipc-concordant="B01D21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Driving mechanisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/22" definition-exists="false" ipc-concordant="B01D21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety mechanisms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/24" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed or discharge mechanisms for settling tanks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2405" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed mechanisms for settling tanks</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2411" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a tangential inlet</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2416" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid distributors with a plurality of feed points</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D21/2422" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vertically arranged feed points</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2427" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>The feed or discharge opening located at a distant position from the side walls</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2433" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge mechanisms for floating particles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2438" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with scrapers on the liquid surface for removing floating particles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2444" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge mechanisms for the classified liquid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/245" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge mechanisms for the sediments</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2455" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D21/2455</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Conveyor belts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2461" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D21/2461</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Positive-displacement pumps; Screw feeders; Trough conveyors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2466" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mammoth pumps, e.g. air lift pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2472" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for fluidising the sediments, e.g. by jets or mechanical agitators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2477" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Centrifugal pumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D21/2483" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means or provisions for manually removing the sediments</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2488" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/2494" definition-exists="false" ipc-concordant="B01D21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/2494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with means for the removal of gas, e.g. noxious gas, air</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/26" definition-exists="false" ipc-concordant="B01D21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of sediment aided by centrifugal force </text><CPC-specific-text><text>or centripetal force</text></CPC-specific-text><reference><text>centrifuges <class-ref scheme="cpc">B04B</class-ref>; cyclones <class-ref scheme="cpc">B04C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/262" definition-exists="false" ipc-concordant="B01D21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a centrifuge</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/265" definition-exists="false" ipc-concordant="B01D21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a vortex inducer or vortex guide, e.g. coil </text><reference><text><class-ref scheme="cpc">B01D21/0054</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/267" definition-exists="false" ipc-concordant="B01D21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/267</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a cyclone</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/28" definition-exists="false" ipc-concordant="B01D21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/283" definition-exists="false" ipc-concordant="B01D21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Settling tanks provided with vibrators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/286" definition-exists="false" ipc-concordant="B01D21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for gentle agitation for enhancing flocculation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D21/30" definition-exists="false" ipc-concordant="B01D21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D21/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control equipment</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/302" definition-exists="false" ipc-concordant="B01D21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D21/302</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Active control mechanisms with external energy, e.g. with solenoid valve</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/305" definition-exists="false" ipc-concordant="B01D21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control of chemical properties of a component, e.g. control of pH</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/307" definition-exists="false" ipc-concordant="B01D21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D21/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Passive control mechanisms without external energy, e.g. using a float</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/32" definition-exists="false" ipc-concordant="B01D21/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D21/32</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Density control of clear liquid or sediment, e.g. optical control </text><CPC-specific-text><text>; Control of physical properties</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D21/34" definition-exists="false" ipc-concordant="B01D21/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>B01D21/34</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Controlling the feed distribution</text></title-part><title-part><text>Controlling the liquid level </text><CPC-specific-text><text>; Control of process parameters</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B01D23/00" date-revised="2019-02-01" status="published"><classification-symbol>B01D23/00</classification-symbol><class-title date-revised="2019-02-01"><title-part><text>Filtration</text></title-part><title-part><text>Filtering material, regeneration thereof</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D23/00" definition-exists="true" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D23/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Gravity filters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/005" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D23/005</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>making filtering elements, not provided for elsewhere </text><reference><text><u>see</u> also <class-ref scheme="cpc">B01D25/001</class-ref>, <class-ref scheme="cpc">B01D27/005</class-ref>, <class-ref scheme="cpc">B01D29/0093</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/02" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with fixed filter bodies</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/04" definition-exists="false" ipc-concordant="B01D29/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with filter bags filtering from the inside</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/06" definition-exists="false" ipc-concordant="B01D29/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with rigid tubular bodies</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/08" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with saucer-shaped filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/10" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/10</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with loose filter material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/12" definition-exists="false" ipc-concordant="B01D24/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with filtering material supported on louvred sides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/14" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>carbon filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/16" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Sand or gravel filters </text><reference><text>filterbed-basin filters, small bed filters, e.g. in closed housing <class-ref scheme="cpc">B01D23/10</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/18" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Bottoms of filter beds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/20" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Feed or discharge devices </text><reference><text>nozzles <class-ref scheme="cpc">B05B</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D23/205" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D23/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special adaptation of spray heads therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/24" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Regeneration of the filter material in the filter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/26" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>integrally combined with devices for controlling the filtration </text><reference><text>shutting-off elements, changing over from one element to another <class-ref scheme="cpc">B01D35/12</class-ref>, <class-ref scheme="cpc">B01D35/14</class-ref>; control of filtration processes <class-ref scheme="cpc">B01D37/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D23/28" definition-exists="false" ipc-concordant="B01D29/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D23/28</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Filter funnels; Holders therefor </text><reference><text>funnels in general <class-ref scheme="cpc">B67C</class-ref>; funnels for laboratory use <class-ref scheme="cpc">B01L</class-ref>; coffee or tea strainers or apparatus <class-ref scheme="cpc">A47J31/00</class-ref> - <class-ref scheme="cpc">A47J31/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D24/00" definition-exists="true" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D24/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof </text><reference><text><class-ref scheme="cpc">B01D27/02</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/001" definition-exists="true" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D24/001</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Making filter elements not provided for elsewhere</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/002" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple filtering elements in parallel connection</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/004" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/005" definition-exists="true" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters being divided into a plurality of cells or compartments </text><reference><text><class-ref scheme="cpc">B01D24/004</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/007" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple filtering elements in series connection</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/008" definition-exists="false" ipc-concordant="B01D24/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/02" definition-exists="false" ipc-concordant="B01D24/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the filter bed stationary during the filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/04" definition-exists="true" ipc-concordant="B01D24/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the filtering material being clamped between pervious fixed walls </text><reference><text><class-ref scheme="cpc">B01D24/10</class-ref>, <class-ref scheme="cpc">B01D24/20</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/042" definition-exists="false" ipc-concordant="B01D24/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering material being held in a flexible porous bag</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/045" definition-exists="false" ipc-concordant="B01D24/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with at least one flat vertical wall</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/047" definition-exists="false" ipc-concordant="B01D24/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with vertical tubes distributing the liquid to be filtered or for collecting filtrate</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/06" definition-exists="false" ipc-concordant="B01D24/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the pervious walls comprising a series of louvres or slots</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/08" definition-exists="false" ipc-concordant="B01D24/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the filtering material being supported by at least two pervious coaxial walls</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/10" definition-exists="false" ipc-concordant="B01D24/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the filtering material being held in a closed container</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/105" definition-exists="false" ipc-concordant="B01D24/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>downward filtration without specifications about the filter material supporting means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/12" definition-exists="true" ipc-concordant="B01D24/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Downward filtration, the filtering material being supported by pervious surfaces </text><reference><text><class-ref scheme="cpc">B01D24/18</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D24/125" definition-exists="false" ipc-concordant="B01D24/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2024/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>spray heads specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/14" definition-exists="true" ipc-concordant="B01D24/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Downward filtration, the container having distribution or collection headers or pervious conduits </text><reference><text><class-ref scheme="cpc">B01D24/18</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D24/145" definition-exists="false" ipc-concordant="B01D24/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2024/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>spray heads specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/16" definition-exists="true" ipc-concordant="B01D24/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Upward filtration </text><reference><text><class-ref scheme="cpc">B01D24/18</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D24/162" definition-exists="false" ipc-concordant="B01D24/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2024/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>spray heads specially adapted therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/165" definition-exists="false" ipc-concordant="B01D24/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering material being supported by pervious surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/167" definition-exists="false" ipc-concordant="B01D24/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the container having distribution or collection headers or pervious conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/18" definition-exists="false" ipc-concordant="B01D24/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combined upward and downward filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/183" definition-exists="false" ipc-concordant="B01D24/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering material being supported by pervious surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/186" definition-exists="false" ipc-concordant="B01D24/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the container having distribution or collection headers or pervious conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/20" definition-exists="false" ipc-concordant="B01D24/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the filtering material being provided in an open container</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/205" definition-exists="false" ipc-concordant="B01D24/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Downward filtration without specifications about the filter material supporting means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/22" definition-exists="false" ipc-concordant="B01D24/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Downward filtration, the filter material being supported by pervious surfaces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/24" definition-exists="false" ipc-concordant="B01D24/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Downward filtration, the container having distribution or collection headers or pervious conduits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/26" definition-exists="false" ipc-concordant="B01D24/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Upward filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/263" definition-exists="false" ipc-concordant="B01D24/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering material being supported by pervious surfaces</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/266" definition-exists="false" ipc-concordant="B01D24/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the container having distribution or collection headers or pervious conduits</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/28" definition-exists="false" ipc-concordant="B01D24/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the filter bed moving during the filtration </text><reference><text>with the filter bed fluidised <class-ref scheme="cpc">B01D24/36</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/30" definition-exists="false" ipc-concordant="B01D24/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Translation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/305" definition-exists="false" ipc-concordant="B01D24/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vibrations</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/32" definition-exists="false" ipc-concordant="B01D24/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/34" definition-exists="false" ipc-concordant="B01D24/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the filtering material and its pervious support moving </text><reference><text>tipping buckets, trays or like sections <class-ref scheme="cpc">B01D33/327</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/36" definition-exists="false" ipc-concordant="B01D24/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the filter bed fluidised during the filtration </text><reference><text>with the filter bed being stationary <class-ref scheme="cpc">B01D24/02</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/38" definition-exists="false" ipc-concordant="B01D24/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed or discharge devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/383" definition-exists="false" ipc-concordant="B01D24/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using multiple way valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/386" definition-exists="false" ipc-concordant="B01D24/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>internal recirculation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/40" definition-exists="false" ipc-concordant="B01D24/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/402" definition-exists="false" ipc-concordant="B01D24/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/405" definition-exists="true" ipc-concordant="B01D24/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special treatment of the feed stream before contacting the filtering material, e.g. cutting </text><reference><text><class-ref scheme="cpc">B01D35/24</class-ref>, <class-ref scheme="cpc">B01D37/02</class-ref>, <class-ref scheme="cpc">B01D37/03</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/407" definition-exists="false" ipc-concordant="B01D24/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provoking a tangential stream</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/42" definition-exists="false" ipc-concordant="B01D24/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging filtrate</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/425" definition-exists="false" ipc-concordant="B01D24/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/44" definition-exists="false" ipc-concordant="B01D24/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging filter cake, e.g. chutes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/46" definition-exists="true" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerating the filtering material in the filter </text><reference><text><class-ref scheme="cpc">B01D24/44</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4605" definition-exists="true" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by scrapers, brushes, nozzles or the like placed on the cake-side of the stationary filtering material and only contacting the external layer </text><reference><text><class-ref scheme="cpc">B01D24/4631</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/461" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by scrapers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4615" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by brushes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4621" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by nozzles acting on the cake side of the filter material, or by fluids acting in co-current direction with the feed stream</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4626" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4626</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of spray heads specially adapted for regeneration of the filter material or for filtrate discharging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4631" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4631</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Counter-current flushing, e.g. by air</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4636" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4636</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with backwash shoes; with nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4642" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with valves, e.g. rotating valves</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/4647" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rectilinear movement of the closing means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4652" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using gasbumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4657" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4657</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4663" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using pistons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4668" definition-exists="true" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4668</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by moving the filtering element </text><reference><text><class-ref scheme="cpc">B01D24/4605</class-ref> and <class-ref scheme="cpc">B01D24/4631</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4673" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4673</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rotary devices or vibration mechanisms, e.g. stirrers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4678" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4678</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using free vortex flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4684" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using spray devices</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4689" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4689</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Displacement of the filtering material to a compartment of the filtering device for regeneration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4694" definition-exists="false" ipc-concordant="B01D24/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4694</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing filter material retaining means (e.g. screens, balls) placed on the surface of the filter material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D24/48" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>integrally combined with devices for controlling the filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4807" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Handling the filter cake for purposes other than regenerating</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4815" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4815</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for washing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4823" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for drying</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/483" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by compression</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D24/4838" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gases or by heating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D24/4846" definition-exists="true" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Retarding cake deposition on the filter during the filtration period, e.g. using stirrers </text><reference><text><class-ref scheme="cpc">B01D24/407</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4853" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4853</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by clearness or turbidity measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4861" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4869" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4869</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by level measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4876" definition-exists="true" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the filtering elements are moved between filtering operations; particular measures for removing or replacing the filtering elements </text><reference><text><class-ref scheme="cpc">B01D24/46</class-ref>, <class-ref scheme="cpc">B01D24/4807</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4884" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4884</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D24/4892" definition-exists="false" ipc-concordant="B01D24/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D24/4892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D25/00" definition-exists="true" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D25/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters formed by clamping together several filtering elements or parts of such elements </text><reference><text>disc filters <class-ref scheme="cpc">B01D29/39</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/001" definition-exists="true" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D25/001</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Making filtering elements not provided for elsewhere</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/002" definition-exists="true" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Clamping devices </text><reference><text><class-ref scheme="cpc">B01D25/12</class-ref> and subgroups take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/003" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>integrally combined with devices for controlling the filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/004" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by clearness or turbidity measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/005" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/006" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by level measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/007" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/008" definition-exists="false" ipc-concordant="B01D25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/02" definition-exists="false" ipc-concordant="B01D25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the elements are pre-formed independent filtering units, e.g. modular systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/12" definition-exists="false" ipc-concordant="B01D25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D25/12</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Filter presses, i.e. of the plate or plate and frame type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/127" definition-exists="true" ipc-concordant="B01D25/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one or more movable filter bands arranged to be clamped between the press plates or between a plate and a frame during filtration, e.g. zigzag endless filter bands </text><reference><text><class-ref scheme="cpc">B01D25/172</class-ref>, <class-ref scheme="cpc">B01D25/176</class-ref>, <class-ref scheme="cpc">B01D25/19</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/1275" definition-exists="false" ipc-concordant="B01D25/127" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/1275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plates or the frames being placed in a non-vertical position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/164" definition-exists="false" ipc-concordant="B01D25/164" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D25/164</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Chamber-plate presses, i.e. the sides of the filtering elements being clamped between two successive filtering plates </text><reference><text><class-ref scheme="cpc">B01D25/127</class-ref>, <class-ref scheme="cpc">B01D25/172</class-ref>, <class-ref scheme="cpc">B01D25/176</class-ref>, <class-ref scheme="cpc">B01D25/19</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/1645" definition-exists="false" ipc-concordant="B01D25/164" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/1645</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the plates being placed in a non-vertical position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/172" definition-exists="false" ipc-concordant="B01D25/172" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/172</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plate spreading means </text><reference><text>removal of filter cakes <class-ref scheme="cpc">B01D25/32</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/176" definition-exists="false" ipc-concordant="B01D25/176" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/176</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>attaching the filter element to the filter press plates, e.g. around the central feed hole in the plates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/19" definition-exists="false" ipc-concordant="B01D25/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clamping means for closing the filter press, e.g. hydraulic jacks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/21" definition-exists="true" ipc-concordant="B01D25/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plate and frame presses </text><reference><text><class-ref scheme="cpc">B01D25/172</class-ref>, <class-ref scheme="cpc">B01D25/176</class-ref>, <class-ref scheme="cpc">B01D25/19</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/215" definition-exists="false" ipc-concordant="B01D25/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of the filter plates, frames</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/22" definition-exists="false" ipc-concordant="B01D25/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cell-type filters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/24" definition-exists="false" ipc-concordant="B01D25/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cell-type roll filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/26" definition-exists="false" ipc-concordant="B01D25/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cell-type stack filters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/28" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Leaching or washing filter cakes in the filter </text><CPC-specific-text><text>handling the filter cake for purposes other than regenerating</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/281" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially for chamber filter presses</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/282" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for drying</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/284" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/284</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by gases or by heating</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/285" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by compression using inflatable membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/287" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by compression using pistons</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/288" definition-exists="false" ipc-concordant="B01D25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Retarding cake deposition on the filter during the filtration period, e.g. using stirrers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/30" definition-exists="false" ipc-concordant="B01D25/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D25/30</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Feeding devices </text><CPC-specific-text><text>; Discharge devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/302" definition-exists="false" ipc-concordant="B01D25/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for chamber filter presses</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/305" definition-exists="false" ipc-concordant="B01D25/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discharging filtrate</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/307" definition-exists="true" ipc-concordant="B01D25/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with internal recirculation through the filtering element </text><reference><text><class-ref scheme="cpc">B01D37/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D25/32" definition-exists="false" ipc-concordant="B01D25/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removal of the filter cakes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/322" definition-exists="false" ipc-concordant="B01D25/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially for chamber filter presses</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/325" definition-exists="false" ipc-concordant="B01D25/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>counter-current flushing, e.g. by air bumps</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/327" definition-exists="false" ipc-concordant="B01D25/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/327</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with backwash shoes, with nozzles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/34" definition-exists="true" ipc-concordant="B01D25/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by moving, </text><CPC-specific-text><text>e.g. rotating,</text></CPC-specific-text><text> the filter elements </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D25/172</class-ref>, <class-ref scheme="cpc">B01D25/19</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/343" definition-exists="true" ipc-concordant="B01D25/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Particular measures for replacing or isolating one or more filtering elements; Transport systems for the filtering apparatus </text><reference><text><class-ref scheme="cpc">B01D25/28</class-ref>, <class-ref scheme="cpc">B01D25/32</class-ref>, <class-ref scheme="cpc">B01D25/346</class-ref>, <class-ref scheme="cpc">B01D25/36</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/346" definition-exists="false" ipc-concordant="B01D25/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by vibration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/36" definition-exists="false" ipc-concordant="B01D25/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by centrifugal force</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D25/38" definition-exists="false" ipc-concordant="B01D25/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by moving parts, e.g. scrapers, contacting stationary filter elements </text><CPC-specific-text><text>sprayers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/383" definition-exists="false" ipc-concordant="B01D25/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/383</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Brushes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D25/386" definition-exists="false" ipc-concordant="B01D25/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D25/386</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D27/00" definition-exists="true" ipc-concordant="B01D27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cartridge filters of the throw-away type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/005" definition-exists="true" ipc-concordant="B01D27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D27/005</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Making filter elements not provided for elsewhere</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/02" definition-exists="false" ipc-concordant="B01D27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cartridges made from a mass of loose </text><CPC-specific-text><text>granular or fibrous</text></CPC-specific-text><text> material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/04" definition-exists="false" ipc-concordant="B01D27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with cartridges made of a piece of unitary material, e.g. filter paper</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/06" definition-exists="false" ipc-concordant="B01D27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with corrugated, folded or wound material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D27/07" definition-exists="false" ipc-concordant="B01D27/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having a coaxial stream through the filtering element</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/08" definition-exists="false" ipc-concordant="B01D27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the casing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/10" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices, e.g. by-passes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/101" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter condition indicators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/103" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bypass or safety valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/105" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bidirectional working filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/106" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anti-leakage or anti-return valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/108" definition-exists="false" ipc-concordant="B01D27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow control valves; Damping or calibrated passages</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D27/14" definition-exists="false" ipc-concordant="B01D27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having more than one filtering element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/142" definition-exists="false" ipc-concordant="B01D27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in parallel</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D27/144" definition-exists="false" ipc-concordant="B01D27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D27/146" definition-exists="false" ipc-concordant="B01D27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in series</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D27/148" definition-exists="false" ipc-concordant="B01D27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D27/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D29/00" definition-exists="true" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other filters with filtering elements stationary during filtration, e.g. pressure or suction filters, or filtering elements therefor </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D24/00</class-ref>, <class-ref scheme="cpc">B01D25/00</class-ref> and <class-ref scheme="cpc">B01D27/00</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/0002" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aspects of other filters with filtering elements stationary during filtration, or of filtering elements thereof</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0004" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters with flat filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0006" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0009" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0011" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ring shaped</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0013" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters in which the filtering elements are moved between filtering operations; Means specially adapted for removing the filtering elements or introducing new ones; Transport systems specially adapted for the filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0015" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filtering bands</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0018" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters with screens or sheets, e.g. cloth, paper</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/002" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rigid, self-supporting filtering elements, e.g. of ceramic material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0022" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters with corrugated, folded, or wound sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0025" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D29/0025</classification-symbol><class-title date-revised="2018-08-01"><title-part><CPC-specific-text><text>allowing a coaxial stream through the filtering element </text><reference><text>for cartridge filters <class-ref scheme="cpc">B01D27/07</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0027" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters with loose, granular, or fibrous filtering material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0029" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0029</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bag, cage, hose, tube, sleeve, or like filters</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0031" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressing-out operation after filtration, e.g. by means of membranes </text><reference><text>filter presses <u>per se</u> <class-ref scheme="cpc">B01D25/12</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0034" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters having flexible filtering material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0036" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which is supported</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/0038" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on solid frames with surface grooves and the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/004" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to take up a concertina shape during filtration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0043" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having rigid self-supporting filtering material </text><reference><text><class-ref scheme="cpc">B01D29/0068</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0045" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Edge filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0047" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with multiple filtering units</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/005" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in parallel </text><reference><text><class-ref scheme="cpc">B01D29/0056</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0052" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in series </text><reference><text><class-ref scheme="cpc">B01D29/0059</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0054" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged concentrically or coaxially</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/0056" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in parallel</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/0059" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>connected in series</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0061" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which are vibrated</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0063" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which are open-ended</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0065" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter candles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0068" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D29/0068</classification-symbol><class-title date-revised="2021-05-01"><title-part><CPC-specific-text><text>Filters with hollow discs side-by-side on or around one or more tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/007" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having filtrate discharge tubes fixed non-perpendicularly to the filtering surfaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0072" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>B01D29/0072</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Filters integrally combined with devices for controlling the filtration </text><reference><text>for shutting-off elements or changing over from one element to another <class-ref scheme="cpc">B01D35/12</class-ref>, <class-ref scheme="cpc">B01D35/14</class-ref>; controlling filtration processes <class-ref scheme="cpc">B01D37/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/0075" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regeneration of the filtering material in the filter </text><reference><text>for two separate filter elements placed in different units <class-ref scheme="cpc">B01D35/12</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0077" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by scrapers, brushes, nozzles or the like placed on the cake-side of the filters </text><reference><text><class-ref scheme="cpc">B01D29/0084</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0079" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0079</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Counter-current flushing, e.g. by air bumps</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0081" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with backwash shoes; with nozzles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0084" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by moving the filter element </text><reference><text><class-ref scheme="cpc">B01D29/0088</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/0086" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by vibration</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/0088" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by centrifugal force</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/009" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters having feed or discharge devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/0093" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making filtering elements </text><reference><text>not provided for elsewhere</text></reference><reference><text><u>see</u> also <class-ref scheme="cpc">B01D23/005</class-ref>, <class-ref scheme="cpc">B01D25/001</class-ref>, <class-ref scheme="cpc">B01D27/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/0095" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flat filtering elements </text><reference><text><class-ref scheme="cpc">B01D25/12</class-ref>, <class-ref scheme="cpc">B01D25/26</class-ref>, <class-ref scheme="cpc">B01D29/0015</class-ref>, <class-ref scheme="cpc">B01D29/0068</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/0097" definition-exists="false" ipc-concordant="B01D29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/0097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Curved filtering elements, e.g. concave filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/01" definition-exists="false" ipc-concordant="B01D29/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D29/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with flat filtering elements </text><reference><text><class-ref scheme="cpc">B01D29/39</class-ref> takes precedence</text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>If the construction of the filtering element itself is of minor importance the document is classified in the subgroups <class-ref scheme="cpc">B01D29/01</class-ref> and <class-ref scheme="cpc">B01D29/014</class-ref> - <class-ref scheme="cpc">B01D29/018</class-ref>; otherwise in the subgroups  <class-ref scheme="cpc">B01D29/03</class-ref> - <class-ref scheme="cpc">B01D29/073</class-ref></CPC-specific-note> </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/012" definition-exists="false" ipc-concordant="B01D29/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making filtering elements </text><reference><text>making bag, cage, hose, tube, sleeve or like filtering elements <class-ref scheme="cpc">B01D29/111</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/014" definition-exists="false" ipc-concordant="B01D29/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements </text><reference><text>construction <class-ref scheme="cpc">B01D29/035</class-ref>, <class-ref scheme="cpc">B01D29/071</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/016" definition-exists="false" ipc-concordant="B01D29/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded or wound filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/018" definition-exists="false" ipc-concordant="B01D29/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ring shaped</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/03" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>self-supporting</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/031" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D29/033" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2029/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>bar screens</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/035" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/036" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ring shaped</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/038" definition-exists="false" ipc-concordant="B01D29/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/05" definition-exists="false" ipc-concordant="B01D29/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>supported</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/055" definition-exists="false" ipc-concordant="B01D29/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ring shaped</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/07" definition-exists="false" ipc-concordant="B01D29/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with corrugated, folded or wound filtering sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/071" definition-exists="true" ipc-concordant="B01D29/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements </text><reference><text><class-ref scheme="cpc">B01D29/072</class-ref>, <class-ref scheme="cpc">B01D29/073</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/072" definition-exists="false" ipc-concordant="B01D29/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>ring shaped</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/073" definition-exists="false" ipc-concordant="B01D29/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with wound filtering sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/075" definition-exists="false" ipc-concordant="B01D29/075" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D29/075</classification-symbol><class-title date-revised="2021-08-01"><title-part><text>located in a closed housing and comprising scrapers or agitators on the cake side of the filtering elements, e.g. Nutsche- or Rosenmund-type filters for performing multiple step operations such as chemical reactions, filtering and cake treatment</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>If the subject matter classified in this group also contains relevant information covered by other subgroups of group <class-ref scheme="cpc">B01D29/00</class-ref>, it is also classified in the other appropriate subgroups of group <class-ref scheme="cpc">B01D29/00</class-ref>.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/085" definition-exists="false" ipc-concordant="B01D29/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Funnel filters</text></title-part><title-part><text>Holders therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/09" definition-exists="true" ipc-concordant="B01D29/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>B01D29/09</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>with filtering bands, e.g. movable between filtering operations</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/093" definition-exists="false" ipc-concordant="B01D29/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/096" definition-exists="false" ipc-concordant="B01D29/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/11" definition-exists="false" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D29/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with bag, cage, hose, tube, sleeve or like filtering elements</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> If the construction of the filtering element itself is of minor importance the document is classified in the subgroups <class-ref scheme="cpc">B01D29/11</class-ref>, <class-ref scheme="cpc">B01D29/114</class-ref> and <class-ref scheme="cpc">B01D29/117</class-ref>, otherwise in the subgroups <class-ref scheme="cpc">B01D29/13</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D29/356</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/111" definition-exists="false" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/111</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/112" definition-exists="false" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ring shaped filters wherein both opposite axial sides are opened and the axial length is shorter than the diameter, e.g. as used in hydraulic transmission systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/114" definition-exists="true" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/114</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for inward flow filtration </text><reference><text><class-ref scheme="cpc">B01D29/15</class-ref>, <class-ref scheme="cpc">B01D29/33</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/115" definition-exists="false" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/117" definition-exists="true" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/117</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for outward flow filtration </text><reference><text><class-ref scheme="cpc">B01D29/23</class-ref>, <class-ref scheme="cpc">B01D29/35</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/118" definition-exists="false" ipc-concordant="B01D29/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/118</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open-ended</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/13" definition-exists="false" ipc-concordant="B01D29/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supported filter elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/15" definition-exists="false" ipc-concordant="B01D29/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for inward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/17" definition-exists="false" ipc-concordant="B01D29/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>open-ended </text><CPC-specific-text><text>the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/19" definition-exists="false" ipc-concordant="B01D29/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on solid frames with surface grooves or the like</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/21" definition-exists="false" ipc-concordant="B01D29/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with corrugated, folded or wound sheets</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/213" definition-exists="false" ipc-concordant="B01D29/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/213</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a concertina shape</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/216" definition-exists="false" ipc-concordant="B01D29/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with wound sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/23" definition-exists="false" ipc-concordant="B01D29/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for outward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/232" definition-exists="false" ipc-concordant="B01D29/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/232</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded or wound sheets</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/235" definition-exists="false" ipc-concordant="B01D29/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/235</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a concertina shape</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D29/237" definition-exists="false" ipc-concordant="B01D29/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with wound sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/25" definition-exists="false" ipc-concordant="B01D29/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>open-ended </text><CPC-specific-text><text>the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/27" definition-exists="false" ipc-concordant="B01D29/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter bags</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/31" definition-exists="false" ipc-concordant="B01D29/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Self-supporting filtering elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/33" definition-exists="false" ipc-concordant="B01D29/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for inward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/333" definition-exists="false" ipc-concordant="B01D29/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/333</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/336" definition-exists="false" ipc-concordant="B01D29/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/336</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/35" definition-exists="false" ipc-concordant="B01D29/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for outward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/353" definition-exists="false" ipc-concordant="B01D29/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/356" definition-exists="false" ipc-concordant="B01D29/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/356</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open-ended, the arrival of the mixture to be filtered and the discharge of the concentrated mixture are situated on both opposite sides of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/39" definition-exists="false" ipc-concordant="B01D29/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/39</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hollow discs side by side on, or around, one or more tubes, e.g. of the leaf type</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/395" definition-exists="false" ipc-concordant="B01D29/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/395</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>mounted axially on the tube</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/41" definition-exists="false" ipc-concordant="B01D29/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted transversely on the tube</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/413" definition-exists="false" ipc-concordant="B01D29/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>divided in sectors</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/416" definition-exists="false" ipc-concordant="B01D29/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filtering tables</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/43" definition-exists="false" ipc-concordant="B01D29/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted otherwise than transversely on the tube </text><CPC-specific-text><text>mounted otherwise than axially on the tube</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/44" definition-exists="false" ipc-concordant="B01D29/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Edge filtering elements, i.e. using contiguous impervious surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/445" definition-exists="false" ipc-concordant="B01D29/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bar screens</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/46" definition-exists="false" ipc-concordant="B01D29/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of flat, stacked bodies</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/48" definition-exists="false" ipc-concordant="B01D29/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of spirally or helically wound bodies</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/50" definition-exists="true" ipc-concordant="B01D29/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with multiple filtering elements, characterised by their mutual disposition </text><reference><text><class-ref scheme="cpc">B01D29/39</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/52" definition-exists="false" ipc-concordant="B01D29/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D29/52</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in parallel connection</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/54" definition-exists="false" ipc-concordant="B01D29/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged concentrically or coaxially</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/56" definition-exists="false" ipc-concordant="B01D29/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D29/56</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in series connection</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/58" definition-exists="false" ipc-concordant="B01D29/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged concentrically or coaxially</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/60" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>integrally combined with devices for controlling the filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/601" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/601</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by clearness or turbidity measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/603" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/605" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by level measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/606" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/608" definition-exists="false" ipc-concordant="B01D29/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/62" definition-exists="false" ipc-concordant="B01D29/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerating the filter material in the filter </text><reference><text>devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, <class-ref scheme="cpc">B01D35/12</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/64" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by scrapers, brushes, </text><CPC-specific-text><text>nozzles</text></CPC-specific-text><text>, or the like, acting on the cake side of the filtering element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/6407" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>brushes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6415" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rotary movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6423" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a translational movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/643" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/643</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a combination of movements with respect to the filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/6438" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>nozzles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6446" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rotary movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6453" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a translational movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6461" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a combination of movements with respect to the filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/6469" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>scrapers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6476" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rotary movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6484" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6484</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a translatory movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/6492" definition-exists="false" ipc-concordant="B01D29/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/6492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a combination of movements with respect to the filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/66" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by flushing, e.g. counter-current air-bumps</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/661" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using gas-bumps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/663" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/665" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using pistons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/666" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a stirrer placed on the filtrate side of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/668" definition-exists="false" ipc-concordant="B01D29/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/668</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with valves, e.g. rotating valves for coaxially placed filtering elements</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>the subgroup covers only counter-current flushing</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/68" definition-exists="false" ipc-concordant="B01D29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with backwash arms, shoes or nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/682" definition-exists="false" ipc-concordant="B01D29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/682</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a rotary movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/684" definition-exists="false" ipc-concordant="B01D29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a translatory movement with respect to the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/686" definition-exists="false" ipc-concordant="B01D29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/686</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a combination of movements with respect to the filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/688" definition-exists="false" ipc-concordant="B01D29/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with backwash arms or shoes acting on the cake side</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/70" definition-exists="false" ipc-concordant="B01D29/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by forces created by movement of the filter element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/705" definition-exists="false" ipc-concordant="B01D29/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D29/705</classification-symbol><class-title date-revised="2017-01-01"><title-part><CPC-specific-text><text>by compression of compressible filter medium, e.g. foam</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/72" definition-exists="false" ipc-concordant="B01D29/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving vibrations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/74" definition-exists="false" ipc-concordant="B01D29/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centrifugal force</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/76" definition-exists="true" ipc-concordant="B01D29/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Handling the filter cake in the filter for purposes other than for regenerating </text><reference><text><class-ref scheme="cpc">B01D29/94</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/78" definition-exists="false" ipc-concordant="B01D29/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for washing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/80" definition-exists="false" ipc-concordant="B01D29/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for drying</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/82" definition-exists="false" ipc-concordant="B01D29/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by compression</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/822" definition-exists="false" ipc-concordant="B01D29/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/822</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/824" definition-exists="false" ipc-concordant="B01D29/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/824</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using pistons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/826" definition-exists="false" ipc-concordant="B01D29/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/826</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using rollers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/828" definition-exists="true" ipc-concordant="B01D29/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using screws </text><reference><text><class-ref scheme="cpc">B01D29/6476</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/84" definition-exists="false" ipc-concordant="B01D29/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gases or by heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/843" definition-exists="false" ipc-concordant="B01D29/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/843</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by direct contact with a fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D29/846" definition-exists="false" ipc-concordant="B01D29/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/846</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by indirect heat-exchange</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/86" definition-exists="true" ipc-concordant="B01D29/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Retarding cake deposition on the filter during the filtration period, e.g. using stirrers </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D29/908</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/865" definition-exists="false" ipc-concordant="B01D29/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/865</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by vibration of the liquid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/88" definition-exists="false" ipc-concordant="B01D29/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having feed or discharge devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/885" definition-exists="true" ipc-concordant="B01D29/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with internal recirculation through the filtering element </text><reference><text><class-ref scheme="cpc">B01D37/02</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/90" definition-exists="false" ipc-concordant="B01D29/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/902" definition-exists="false" ipc-concordant="B01D29/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/902</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/904" definition-exists="true" ipc-concordant="B01D29/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/904</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>directing the mixture to be filtered on the filtering element in a manner to clean the filter continuously </text><reference><text><class-ref scheme="cpc">B01D29/115</class-ref>, <class-ref scheme="cpc">B01D29/118</class-ref>, <class-ref scheme="cpc">B01D29/17</class-ref>, <class-ref scheme="cpc">B01D29/25</class-ref>, <class-ref scheme="cpc">B01D29/336</class-ref>, <class-ref scheme="cpc">B01D29/356</class-ref>, <class-ref scheme="cpc">B01D29/902</class-ref>, <class-ref scheme="cpc">B01D29/908</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/906" definition-exists="true" ipc-concordant="B01D29/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/906</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special treatment of the feed stream before contacting the filtering element, e.g. cutting </text><reference><text><class-ref scheme="cpc">B01D35/24</class-ref>, <class-ref scheme="cpc">B01D37/02</class-ref>, <class-ref scheme="cpc">B01D37/03</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/908" definition-exists="false" ipc-concordant="B01D29/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/908</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provoking a tangential stream</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/92" definition-exists="false" ipc-concordant="B01D29/92" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging filtrate</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/925" definition-exists="false" ipc-concordant="B01D29/92" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/925</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/94" definition-exists="false" ipc-concordant="B01D29/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/94</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging the filter cake, e.g. chutes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D29/945" definition-exists="false" ipc-concordant="B01D29/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/945</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for continuously discharging concentrated liquid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D29/96" definition-exists="true" ipc-concordant="B01D29/96" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/96</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in which the filtering elements are moved between filtering operations</text></title-part><title-part><text>Particular measures for removing or replacing the filtering elements</text></title-part><title-part><text>Transport systems for filters </text><reference><text><class-ref scheme="cpc">B01D29/09</class-ref>, <class-ref scheme="cpc">B01D29/70</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D29/965" definition-exists="false" ipc-concordant="B01D29/96" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D29/965</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Device for changing the inclination of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D33/00" definition-exists="true" ipc-concordant="B01D33/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D33/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Filters with filtering elements which move during the filtering operation </text><reference><text>filters comprising loose filtering material moving or fluidised during filtration <class-ref scheme="cpc">B01D24/28</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D24/36</class-ref>; centrifuges <class-ref scheme="cpc">B04B</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/01" definition-exists="true" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D33/01</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>with translationally moving filtering elements, e.g. pistons </text><reference><text><class-ref scheme="cpc">B01D33/04</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D33/327</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/0108" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with bag, cage, hose, tube, sleeve or the like filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0116" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0116</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for inward flow filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0125" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open ended</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0133" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0133</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for outward flow filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0141" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open ended</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/015" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flat filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0158" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0158</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>self-supporting</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0166" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bar screens</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0175" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0175</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0183" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>supported</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0191" definition-exists="false" ipc-concordant="B01D33/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0191</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded or wound filtering sheets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/03" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vibrating filter elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0307" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0307</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with bag, cage, hose, tube, sleeve or the like filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0315" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0315</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for inward flow filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0323" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open ended</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/033" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for outward flow filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0338" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0338</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>open ended</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/0346" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flat filtering elements</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0353" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0353</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>self-supporting</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0361" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bar screens</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0369" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0369</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/0376" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0376</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>supported</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0384" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0384</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with corrugated, folded or wound filtering sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D33/0392" definition-exists="false" ipc-concordant="B01D33/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0392</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/04" definition-exists="false" ipc-concordant="B01D33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with filtering bands or the like supported on cylinders which are impervious for filtering</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/042" definition-exists="false" ipc-concordant="B01D33/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whereby the filtration and squeezing-out take place between at least two filtering bands</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/044" definition-exists="false" ipc-concordant="B01D33/044" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with filtering bands or the like supported on cylinders which are pervious for filtering</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/048" definition-exists="false" ipc-concordant="B01D33/048" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with endless filtering bands</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/052" definition-exists="false" ipc-concordant="B01D33/052" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D33/052</classification-symbol><class-title date-revised="2021-08-01"><title-part><text>combined with a compression device </text><reference><text><class-ref scheme="cpc">B01D33/64</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/056" definition-exists="false" ipc-concordant="B01D33/056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of filtering bands or supporting belts, e.g. devices for centering, mounting or sealing the filtering bands or the supporting belts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/0565" definition-exists="false" ipc-concordant="B01D33/056" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/0565</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>combined with means to fasten the opposite edges of the filtering band together, e.g. Zipper</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/06" definition-exists="true" ipc-concordant="B01D33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D33/06</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>with rotary cylindrical filtering surfaces, e.g. hollow drums </text><reference><text><class-ref scheme="cpc">B01D33/044</class-ref> takes precedence </text><CPC-specific-text><text>; rotating drums for paper-making <class-ref scheme="cpc">D21B</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/067" definition-exists="false" ipc-concordant="B01D33/067" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the filtering drums, e.g. mounting or sealing arrangements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D33/07" definition-exists="false" ipc-concordant="B01D33/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2033/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>arranged for inward flow filtration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/073" definition-exists="false" ipc-concordant="B01D33/073" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for inward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/09" definition-exists="false" ipc-concordant="B01D33/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with surface cells independently connected to pressure distributors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/11" definition-exists="false" ipc-concordant="B01D33/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged for outward flow filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/13" definition-exists="false" ipc-concordant="B01D33/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with surface cells independently connected to pressure distributors</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/15" definition-exists="false" ipc-concordant="B01D33/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotary plane filtering surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/155" definition-exists="false" ipc-concordant="B01D33/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering surface being parallel to the rotation axis</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/17" definition-exists="false" ipc-concordant="B01D33/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotary filtering tables </text><reference><text>tables divided into separately tiltable buckets, trays or like sections <class-ref scheme="cpc">B01D33/327</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/19" definition-exists="false" ipc-concordant="B01D33/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/21" definition-exists="false" ipc-concordant="B01D33/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hollow filtering discs transversely mounted on a hollow rotary shaft</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/215" definition-exists="false" ipc-concordant="B01D33/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/215</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering discs being fixed inwardly on a rotating construction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/23" definition-exists="false" ipc-concordant="B01D33/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of discs or component sectors thereof</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/25" definition-exists="false" ipc-concordant="B01D33/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with hollow frames axially mounted on a hollow rotary shaft</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/27" definition-exists="false" ipc-concordant="B01D33/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotary filtering surfaces, which are neither cylindrical nor planar, e.g. helical surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/275" definition-exists="false" ipc-concordant="B01D33/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using contiguous impervious surfaces</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/29" definition-exists="true" ipc-concordant="B01D33/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the movement of the filter elements being a combination of movements </text><reference><text><class-ref scheme="cpc">B01D33/19</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/31" definition-exists="false" ipc-concordant="B01D33/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Planetary movement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/327" definition-exists="false" ipc-concordant="B01D33/327" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/327</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tipping buckets, trays or like sections</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/333" definition-exists="false" ipc-concordant="B01D33/333" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/333</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with individual filtering elements moving along a closed path </text><reference><text>tipping buckets, trays or like sections <class-ref scheme="cpc">B01D33/327</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/35" definition-exists="true" ipc-concordant="B01D33/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with multiple filtering elements characterised by their mutual disposition </text><reference><CPC-specific-text><text><class-ref scheme="cpc">B01D33/042</class-ref></text></CPC-specific-text><text> , <class-ref scheme="cpc">B01D33/21</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/37" definition-exists="false" ipc-concordant="B01D33/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D33/37</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in parallel connection</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/39" definition-exists="false" ipc-concordant="B01D33/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/39</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>concentrically or coaxially</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/41" definition-exists="false" ipc-concordant="B01D33/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D33/41</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>in series connection</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/42" definition-exists="false" ipc-concordant="B01D33/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>concentrically or coaxially</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/44" definition-exists="false" ipc-concordant="B01D33/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regenerating the filter material in the filter </text><reference><text>devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration, <class-ref scheme="cpc">B01D35/12</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/46" definition-exists="true" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by scrapers, brushes </text><CPC-specific-text><text>nozzles</text></CPC-specific-text><text> or the like acting on the cake-side of the filtering element </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D33/503</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/461" definition-exists="false" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>brushes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/463" definition-exists="false" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>nozzles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/465" definition-exists="false" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>take-off rollers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/466" definition-exists="false" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>scrapers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/468" definition-exists="false" ipc-concordant="B01D33/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>wires, strands, strings or the like</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/48" definition-exists="false" ipc-concordant="B01D33/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by flushing, e.g. counter-current air-bumps</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>the subgroup covers only counter-current flushing</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/50" definition-exists="false" ipc-concordant="B01D33/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with backwash arms, shoes or nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/503" definition-exists="false" ipc-concordant="B01D33/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/503</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the backwash arms, shoes acting on the cake side</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/506" definition-exists="false" ipc-concordant="B01D33/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/506</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a stirrer placed on the filtrate side</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/52" definition-exists="false" ipc-concordant="B01D33/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by forces created by movement of the filter element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/54" definition-exists="false" ipc-concordant="B01D33/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving vibrations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/56" definition-exists="false" ipc-concordant="B01D33/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving centrifugal force</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/58" definition-exists="true" ipc-concordant="B01D33/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Handling the filter cake in the filter for purposes other than for regenerating </text><reference><text><class-ref scheme="cpc">B01D33/76</class-ref> takes precedence</text></reference><CPC-specific-text><text>the filter cake remaining on the filtering element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/60" definition-exists="false" ipc-concordant="B01D33/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for washing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/62" definition-exists="false" ipc-concordant="B01D33/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for drying</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/64" definition-exists="false" ipc-concordant="B01D33/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by compression</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/642" definition-exists="false" ipc-concordant="B01D33/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure belts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/644" definition-exists="false" ipc-concordant="B01D33/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure plates, membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/646" definition-exists="false" ipc-concordant="B01D33/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure rollers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/648" definition-exists="false" ipc-concordant="B01D33/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/648</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by screws</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/66" definition-exists="false" ipc-concordant="B01D33/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gases or by heating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/663" definition-exists="false" ipc-concordant="B01D33/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by direct contact with a fluid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/666" definition-exists="false" ipc-concordant="B01D33/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by indirect heat-exchange</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/68" definition-exists="false" ipc-concordant="B01D33/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Retarding cake deposition on the filter during the filtration period, e.g. using stirrers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/70" definition-exists="true" ipc-concordant="B01D33/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having feed or discharge devices </text><reference><text><class-ref scheme="cpc">B01D33/82</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/705" definition-exists="false" ipc-concordant="B01D33/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/705</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with internal recirculation through the filter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/72" definition-exists="false" ipc-concordant="B01D33/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for feeding</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/722" definition-exists="false" ipc-concordant="B01D33/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/722</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/725" definition-exists="true" ipc-concordant="B01D33/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special treatment of the feed stream before contacting the filtering element, e.g. cutting </text><reference><text><class-ref scheme="cpc">B01D35/24</class-ref>, <class-ref scheme="cpc">B01D37/02</class-ref>, <class-ref scheme="cpc">B01D37/03</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/727" definition-exists="false" ipc-concordant="B01D33/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/727</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provoking a tangential stream</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/74" definition-exists="false" ipc-concordant="B01D33/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging filtrate</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/742" definition-exists="false" ipc-concordant="B01D33/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/742</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed liquid displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/745" definition-exists="false" ipc-concordant="B01D33/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/745</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of suction casings, pans, or the like</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D33/747" definition-exists="false" ipc-concordant="B01D33/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/747</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>moving during the filtration period</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/76" definition-exists="false" ipc-concordant="B01D33/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for discharging the filter cake, e.g. chutes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/763" definition-exists="false" ipc-concordant="B01D33/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/763</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for continuously discharging concentrated liquid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/766" definition-exists="false" ipc-concordant="B01D33/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/766</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices for breaking the filter cake, e.g. cutting</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D33/80" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/801" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/801</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Driving means, shaft packing systems or the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/802" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/802</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Device for changing the inclination of the filtering element</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/803" definition-exists="true" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/803</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the filtering elements are moved between filtering operations </text><reference><text><class-ref scheme="cpc">B01D33/52</class-ref> takes precedence</text></reference><text>; Particular measures for removing or replacing the filtering elements; Transport systems for filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/804" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/804</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>integrally combined with devices for controlling the filtration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/805" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by clearness or turbidity measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/806" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/806</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/807" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/807</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by level measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/808" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/808</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D33/809" definition-exists="false" ipc-concordant="B01D33/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D33/82" definition-exists="false" ipc-concordant="B01D33/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D33/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for pressure distribution</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D35/00" definition-exists="true" ipc-concordant="B01D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D35/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other filtering devices</text></title-part><title-part><text>Auxiliary devices for filtration</text></title-part><title-part><text>Filter housing constructions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/005" definition-exists="false" ipc-concordant="B01D35/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters specially adapted for use in internal-combustion engine lubrication or fuel systems, not of special interest for <class-ref scheme="cpc">B01D23/00</class-ref> - <class-ref scheme="cpc">B01D33/00</class-ref> </text><reference><text>internal-combustion engine lubricating systems <class-ref scheme="cpc">F02M</class-ref>; lubrication in general <class-ref scheme="cpc">F16N</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/02" definition-exists="true" ipc-concordant="B01D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks, </text><reference><text><class-ref scheme="cpc">B01D35/05</class-ref> takes precedence; </text><CPC-specific-text><text>water pipe system filters <class-ref scheme="cpc">E03B3/18</class-ref>, <class-ref scheme="cpc">E03B7/07</class-ref>; dirt catchers in sewers <class-ref scheme="cpc">E03F</class-ref>; filters or strainers for pipe-lines in general <class-ref scheme="cpc">B08B</class-ref>, <class-ref scheme="cpc">E03F</class-ref>; object or dirt catching devices in sinks or the like <class-ref scheme="cpc">E03C1/26</class-ref>; suction strainers or filters for pumps <class-ref scheme="cpc">F04B53/005</class-ref>, <class-ref scheme="cpc">F04D29/70</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/023" definition-exists="false" ipc-concordant="B01D35/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filler pipe filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/027" definition-exists="true" ipc-concordant="B01D35/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rigidly mounted in or on tanks or reservoirs </text><reference><text><class-ref scheme="cpc">B01D35/04</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/0273" definition-exists="false" ipc-concordant="B01D35/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filtering elements with a horizontal or inclined rotation or symmetry axis submerged in tanks or reservoirs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/0276" definition-exists="false" ipc-concordant="B01D35/027" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/0276</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filtering elements with a vertical rotation or symmetry axis mounted on tanks or reservoirs</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/04" definition-exists="false" ipc-concordant="B01D35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plug, tap, or cock filters </text><CPC-specific-text><text>filtering elements mounted in or on a faucet</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/043" definition-exists="false" ipc-concordant="B01D35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reversible faucet filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/046" definition-exists="false" ipc-concordant="B01D35/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the filtering element being mounted in the faucet plug</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/05" definition-exists="false" ipc-concordant="B01D35/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Floating filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/06" definition-exists="false" ipc-concordant="B01D35/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters making use of electricity or magnetism </text><reference><text>ultrafiltration, microfiltration <class-ref scheme="cpc">B01D61/14</class-ref>; electrodialysis, electro-osmosis <class-ref scheme="cpc">B01D61/42</class-ref>; devices comprising filters and magnetic separators <class-ref scheme="cpc">B03C1/30</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/08" definition-exists="false" ipc-concordant="B01D33/327" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>B01D35/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Filters with tipping buckets or trays</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/10" definition-exists="false" ipc-concordant="B01D35/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Brush filters </text><CPC-specific-text><text>Rotary brush filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/12" definition-exists="false" ipc-concordant="B01D35/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/14" definition-exists="false" ipc-concordant="B01D35/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Safety devices specially adapted for filtration </text><reference><text>preventing or minimising fires or explosions <class-ref scheme="cpc">A62C</class-ref></text></reference></title-part><title-part><text>Devices for indicating clogging </text><reference><text>incorporated in a throw-away filter <class-ref scheme="cpc">B01D27/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/143" definition-exists="false" ipc-concordant="B01D35/143" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter condition indicators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/1435" definition-exists="false" ipc-concordant="B01D35/143" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/1435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alarm means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/147" definition-exists="false" ipc-concordant="B01D35/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bypass or safety valves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/1475" definition-exists="false" ipc-concordant="B01D35/147" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/1475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pressure relief valves or pressure control valves</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/15" definition-exists="false" ipc-concordant="B01D35/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bidirectional working filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/153" definition-exists="false" ipc-concordant="B01D35/153" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/153</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anti-leakage or anti-return valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/157" definition-exists="false" ipc-concordant="B01D35/157" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/157</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flow control valves: Damping or calibrated passages</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/1573" definition-exists="false" ipc-concordant="B01D35/157" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/1573</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flow control valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/1576" definition-exists="false" ipc-concordant="B01D35/157" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/1576</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calibrated passages</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/16" definition-exists="false" ipc-concordant="B01D35/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D35/16</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Cleaning-out devices </text><CPC-specific-text><text>, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/18" definition-exists="false" ipc-concordant="B01D35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating or cooling the filters</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/185" definition-exists="false" ipc-concordant="B01D35/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a vaporizing unit</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/20" definition-exists="false" ipc-concordant="B01D35/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vibrating the filters </text><reference><text>regenerating filter material by vibrations in filters with stationary filtering elements <class-ref scheme="cpc">B01D29/72</class-ref>; discharging the filter cake by vibrations in filters with moving filtering elements <class-ref scheme="cpc">B01D33/54</class-ref>, <class-ref scheme="cpc">B01D33/76</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/22" definition-exists="true" ipc-concordant="B01D35/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Directing the mixture to be filtered on to the filters in a manner to clean the filters </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D29/904</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/24" definition-exists="false" ipc-concordant="B01D35/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Providing loose granular material to scratch the filters clean</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/26" definition-exists="false" ipc-concordant="B01D35/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters with built-in pumps </text><CPC-specific-text><text>filters provided with a pump mounted in or on the casing </text><reference><text>aquarium pumps or filters <class-ref scheme="cpc">A01K63/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/28" definition-exists="false" ipc-concordant="B01D35/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Strainers not provided for elsewhere</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D35/30" definition-exists="false" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter housing constructions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/301" definition-exists="true" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructions of two or more housings </text><reference><text><class-ref scheme="cpc">B01D35/12</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/303" definition-exists="false" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the housings being modular, e.g. standardised</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/305" definition-exists="false" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with features related to crash tests or crash safety measures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/306" definition-exists="false" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter mounting adapter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/308" definition-exists="false" ipc-concordant="B01D35/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Made of at least two different materials, e.g. metal and plastic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/31" definition-exists="false" ipc-concordant="B01D35/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>including arrangements for environmental protection, e.g. pressure resisting features</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D35/32" definition-exists="false" ipc-concordant="B01D35/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>against radiation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D35/34" definition-exists="true" ipc-concordant="B01D35/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D35/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>open-topped </text><reference><text><class-ref scheme="cpc">B01D35/31</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D36/00" definition-exists="true" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D36/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter circuits or combinations of filters with other separating devices</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D36/001" definition-exists="false" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D36/001</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Filters in combination with devices for the removal of gas, air purge systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D36/003" definition-exists="true" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filters in combination with devices for the removal of liquids </text><reference><text><class-ref scheme="cpc">B01D35/185</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D36/005" definition-exists="false" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid level sensing means, e.g. for water in gasoil-filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D36/006" definition-exists="false" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purge means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D36/008" definition-exists="false" ipc-concordant="B01D36/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means to filter or treat the separated liquid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D36/02" definition-exists="true" ipc-concordant="B01D36/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of filters of different kinds </text><reference><text><class-ref scheme="cpc">B01D29/50</class-ref>, <class-ref scheme="cpc">B01D33/35</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D36/04" definition-exists="false" ipc-concordant="B01D36/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of filters with settling tanks</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D36/045" definition-exists="false" ipc-concordant="B01D36/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D36/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Combination of filters with centrifugal separation devices</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D37/00" definition-exists="true" ipc-concordant="B01D37/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D37/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes of filtration </text><reference><text>processes specially adapted for filtering gases <class-ref scheme="cpc">B01D46/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D37/02" definition-exists="false" ipc-concordant="B01D37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Precoating the filter medium</text></title-part><title-part><text>Addition of filter aids to the liquid being filtered </text><CPC-specific-text><reference><text>devices for feeding reagents <class-ref scheme="cpc">C02F1/685</class-ref> and sub-groups; filter aids</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/025" definition-exists="false" ipc-concordant="B01D37/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>additives incorporated in the filter</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D37/03" definition-exists="false" ipc-concordant="B01D37/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using flocculating agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D37/04" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the filtration</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>If the construction of the filtering element is of minor importance, the documents are classified in this group only</note-paragraph><note-paragraph> Filters integrally combined with devices for controlling the filtration are also classified in the relevant groups for these aspects, e.g. <class-ref scheme="cpc">B01D24/48</class-ref>, <class-ref scheme="cpc">B01D29/60</class-ref>, <class-ref scheme="cpc">B01D33/804</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/041" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by clearness or turbidity measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/043" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/045" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by level measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/046" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D37/048" definition-exists="false" ipc-concordant="B01D37/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D37/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D39/00" definition-exists="true" ipc-concordant="B01D39/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering material for liquid or gaseous fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D39/02" definition-exists="false" ipc-concordant="B01D39/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Loose filtering material, e.g. loose fibres</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/04" definition-exists="false" ipc-concordant="B01D39/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic material, e.g. cellulose, cotton</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/06" definition-exists="false" ipc-concordant="B01D39/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic material, e.g. asbestos fibres, glass beads or fibres</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D39/08" definition-exists="true" ipc-concordant="B01D39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D39/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter cloth, i.e. woven, knitted or interlaced material </text><reference><text>metallic <class-ref scheme="cpc">B01D39/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/083" definition-exists="false" ipc-concordant="B01D39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of organic material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/086" definition-exists="false" ipc-concordant="B01D39/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of inorganic material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D39/10" definition-exists="false" ipc-concordant="B01D39/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter screens essentially made of metal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/12" definition-exists="false" ipc-concordant="B01D39/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of wire gauze</text></title-part><title-part><text>of knitted wire</text></title-part><title-part><text>of expanded metal</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D39/14" definition-exists="true" ipc-concordant="B01D39/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D39/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Other self-supporting filtering material </text><CPC-specific-text><text>; Other filtering material </text><reference><text>non-woven fabrics in general <class-ref scheme="cpc">D04H3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/16" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of organic material, e.g. synthetic fibres</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/1607" definition-exists="true" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being fibrous </text><reference><text><class-ref scheme="cpc">B01D39/18</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/1615" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of natural origin</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/1623" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of synthetic origin</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/163" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/1638" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being particulate</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/1646" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of natural origin, e.g. cork or peat</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/1653" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of synthetic origin</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/1661" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/1669" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1669</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cellular material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/1676" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of synthetic origin</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/1692" definition-exists="false" ipc-concordant="B01D39/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/1692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Other shaped material, e.g. perforated or porous sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/18" definition-exists="true" ipc-concordant="B01D39/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the material being cellulose or derivatives thereof </text><reference><CPC-specific-text><text>cork or peat <class-ref scheme="cpc">B01D39/1646</class-ref></text></CPC-specific-text><text> ; making filter paper <class-ref scheme="cpc">D21F11/14</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D39/20" definition-exists="true" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>B01D39/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires </text><reference><text>porous ceramic material </text><CPC-specific-text><text><class-ref scheme="cpc">C04B38/00</class-ref></text></CPC-specific-text><text> ; sintering metals <class-ref scheme="cpc">C22C1/04</class-ref>; </text><CPC-specific-text><text>making porous sintered metal bodies <class-ref scheme="cpc">B22F3/10</class-ref>, honeycomb filters <class-ref scheme="cpc">B01D46/2418</class-ref>, materials used for filtering exhaust gases of an internal combustion engine <class-ref scheme="cpc">F01N3/022</class-ref>, ceramic honeycomb structures <class-ref scheme="cpc">C04B38/0006</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/2003" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass or glassy material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2006" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being particulate</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/201" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/201</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2013" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded, e.g. by resins</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2017" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being filamentary or fibrous</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/202" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2024" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded, e.g. by resins</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/2027" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metallic material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2031" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being particulate</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2034" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2037" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2041" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being filamentary or fibrous</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2044" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2048" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2051" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metallic foam</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/2055" definition-exists="true" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-08-01" status="published"><classification-symbol>B01D39/2055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carbonaceous material </text><reference><text>solid sorbent compositions comprising free carbon <class-ref scheme="cpc">B01J20/20</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2058" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being particulate</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2062" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bonded, e.g. activated carbon blocks</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2065" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being fibrous</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D39/2068" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Other inorganic materials, e.g. ceramics</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2072" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being particulate or granular</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2075" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2079" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2079</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded, e.g. by resins</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2082" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the material being filamentary or fibrous</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2086" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>sintered or bonded by inorganic agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D39/2089" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>otherwise bonded, e.g. by resins</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D39/2093" definition-exists="false" ipc-concordant="B01D39/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D39/2093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ceramic foam</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D41/00" definition-exists="true" ipc-concordant="B01D41/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D41/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D41/02" definition-exists="false" ipc-concordant="B01D41/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D41/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of loose filtering material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D41/04" definition-exists="false" ipc-concordant="B01D41/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D41/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of rigid self-supporting filtering material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D43/00" definition-exists="true" ipc-concordant="B01D43/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D43/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration </text><reference><text>flotation processes <class-ref scheme="cpc">B03D1/00</class-ref>; drying solid materials or objects <class-ref scheme="cpc">F26B</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B01D45/00" date-revised="2022-01-01" status="published"><classification-symbol>B01D45/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D45/00" definition-exists="true" ipc-concordant="B01D45/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D45/02" definition-exists="false" ipc-concordant="B01D45/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by utilising gravity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D45/04" definition-exists="true" ipc-concordant="B01D45/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by utilising inertia </text><reference><text><class-ref scheme="cpc">B01D45/12</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D45/06" definition-exists="false" ipc-concordant="B01D45/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reversal of direction of flow</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D45/08" definition-exists="false" ipc-concordant="B01D45/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by impingement against baffle separators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D45/10" definition-exists="false" ipc-concordant="B01D45/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>which are wetted</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D45/12" definition-exists="false" ipc-concordant="B01D45/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by centrifugal forces </text><reference><text>centrifuges <class-ref scheme="cpc">B04B</class-ref>; cyclones <class-ref scheme="cpc">B04C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D45/14" definition-exists="false" ipc-concordant="B01D45/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>generated by rotating vanes, discs, drums or brushes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D45/16" definition-exists="false" ipc-concordant="B01D45/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D45/16</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>generated by the winding course of the gas stream </text><CPC-specific-text><text>, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D45/18" definition-exists="false" ipc-concordant="B01D45/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D45/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning-out devices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D46/00" definition-exists="true" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Filters or filtering processes specially modified for separating dispersed particles from gases or vapours </text><reference><text>filtering elements <class-ref scheme="cpc">B01D24/00</class-ref>-<class-ref scheme="cpc">B01D35/00</class-ref>; filtering material <class-ref scheme="cpc">B01D39/00</class-ref>; their regeneration outside the filters <class-ref scheme="cpc">B01D41/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0001" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Making filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0002" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casings; Housings; Frame constructions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0004" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details of removable closures, lids, caps or filter heads</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0005" definition-exists="true" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of filtering elements within casings, housings or frames </text><reference><text><class-ref scheme="cpc">B01D46/2422</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0006" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter elements or cartridges installed in a drawer-like manner</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0008" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Two or more filter elements not fluidly connected positioned in the same housing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0009" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tray-like arrangements of filters in a vessel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/001" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for connecting filter housings to supports</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0012" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>In-line filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0013" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Modules</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0015" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Throw-away type filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0016" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Folded frame or housing constructions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0017" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter elements installed in a branch of a pipe, e.g. with an y-shaped tubular housing</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0027" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with additional separating or treating functions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0028" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with antibacterial or antifungal means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/003" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>including coalescing means for the separation of liquid</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0031" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with collecting, draining means</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0032" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrostatic forces to remove particles, e.g. electret filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0034" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using magnetic forces to remove particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0035" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by wetting, e.g. using surfaces covered with oil</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0036" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by adsorption or absorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0038" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0038</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for influencing the odor, e.g. deodorizing substances</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0039" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flow guiding by feed or discharge devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0041" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for feeding</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0042" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of the inlet flow in order to clean the filter surface</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0043" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed gas displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0045" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using vanes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0046" definition-exists="true" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provoking a tangential stream </text><reference><text><class-ref scheme="cpc">B01D46/0045</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0047" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for discharging the filtered gas</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0049" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0049</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing fixed gas displacement elements or cores</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/005" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crossflow filtration, i.e. having an inlet and two outlets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0052" definition-exists="true" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with filtering elements moving during filtering operation </text><reference><text><class-ref scheme="cpc">B01D46/22</class-ref>, <class-ref scheme="cpc">B01D46/32</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0053" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with vibrating filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0054" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with translational movement</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0056" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rotational movement</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/0084" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>provided with safety means</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0086" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter condition indicators</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0087" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bypass or safety valves</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0089" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anti-return means</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/009" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Identification of filter type or position thereof, e.g. by transponders or bar codes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0091" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0091</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Including arrangements for environmental or personal protection</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0093" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>against fire or explosion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/0094" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0094</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>against radiation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0095" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means acting upon failure of the filtering system, e.g. in case of damage of the filter elements; Failsafes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0097" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special means for preventing bypass around the filter, i.e. in addition to usual seals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/0098" definition-exists="false" ipc-concordant="B01D46/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/0098</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Protecting coverages on the filter which is removed before the filter is used, protection of filter, packaging</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/02" definition-exists="false" ipc-concordant="B01D46/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, having hollow filters made of flexible material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/023" definition-exists="false" ipc-concordant="B01D46/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pockets filters, i.e. multiple bag filters mounted on a common frame</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/026" definition-exists="false" ipc-concordant="B01D46/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for maintaining a space between filters, e.g. avoiding contact between adjacent filters</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/04" definition-exists="false" ipc-concordant="B01D46/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cleaning filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/06" definition-exists="false" ipc-concordant="B01D46/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means keeping the working surfaces flat</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/08" definition-exists="false" ipc-concordant="B01D46/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the working surfaces forming a star shape</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/10" definition-exists="false" ipc-concordant="B01D46/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/103" definition-exists="false" ipc-concordant="B01D46/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Curved filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/106" definition-exists="false" ipc-concordant="B01D46/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ring-shaped filtering elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/12" definition-exists="false" ipc-concordant="B01D46/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in multiple arrangements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/121" definition-exists="false" ipc-concordant="B01D46/121" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/121</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>V-type arrangements</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/14" definition-exists="false" ipc-concordant="B01D46/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged in a star shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/16" definition-exists="false" ipc-concordant="B01D46/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D46/16</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>arranged on non-filtering conveyors </text><CPC-specific-text><text>or supports</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/18" definition-exists="false" ipc-concordant="B01D46/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using filtering belts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/185" definition-exists="false" ipc-concordant="B01D46/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Construction of filtering belts or supporting belts including devices for centering, mounting or sealing thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/20" definition-exists="false" ipc-concordant="B01D46/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the belts combined with drums</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/22" definition-exists="false" ipc-concordant="B01D46/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the belts travelling during filtering</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/24" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using rigid hollow filter bodies</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/2403" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the physical shape or structure of the filtering element</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/2407" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter candles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/2411" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Filter cartridges</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/2414" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>End caps including additional functions or special forms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/2418" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Honeycomb filters </text><reference><text>used for filtering exhaust gases of an internal combustion engine <class-ref scheme="cpc">F01N3/022</class-ref>; ceramic honeycomb structures <u>per se</u> <class-ref scheme="cpc">C04B38/0006</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/2422" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/2422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mounting of the body within a housing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/2425" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2425</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>characterized by parameters related to the physical properties of the honeycomb structure material</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2425</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref>, <class-ref scheme="cpc">B01D46/24495</class-ref>, <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref> and <class-ref scheme="cpc">B01D46/248</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2429" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the honeycomb walls or cells</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2429</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref>, <class-ref scheme="cpc">B01D46/24495</class-ref>, <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref> and <class-ref scheme="cpc">B01D46/248</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/244" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the plugs</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/244</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24491</class-ref>, <class-ref scheme="cpc">B01D46/24492</class-ref>, <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref>, <class-ref scheme="cpc">B01D46/24495</class-ref>, <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref> and <class-ref scheme="cpc">B01D46/248</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2444" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the outer peripheral sealing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2444</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24491</class-ref>, <class-ref scheme="cpc">B01D46/24492</class-ref>, <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref>, <class-ref scheme="cpc">B01D46/24495</class-ref>, <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref> and <class-ref scheme="cpc">B01D46/248</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2448" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the adhesive layers, i.e. joints between segments</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2448</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24491</class-ref>, <class-ref scheme="cpc">B01D46/24492</class-ref>, <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref>, <class-ref scheme="cpc">B01D46/24495</class-ref>, <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref> and <class-ref scheme="cpc">B01D46/248</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/24491" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/24491</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Porosity</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/24491</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref> and <class-ref scheme="cpc">B01D46/2448</class-ref>.<br/>Group <class-ref scheme="cpc">B01D46/24491</class-ref> is also impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref> and <class-ref scheme="cpc">B01D46/24495</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/24492" definition-exists="true" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/24492</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Pore diameter</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/24492</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref> and <class-ref scheme="cpc">B01D46/2448</class-ref>.<br/>Group <class-ref scheme="cpc">B01D46/24492</class-ref> is also impacted by reclassification into groups <class-ref scheme="cpc">B01D46/24493</class-ref>, <class-ref scheme="cpc">B01D46/24494</class-ref> and <class-ref scheme="cpc">B01D46/24495</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/24493" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/24493</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Modulus of rupture</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/24493</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/24491</class-ref> and <class-ref scheme="cpc">B01D46/24492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/24494" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/24494</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Thermal expansion coefficient, heat capacity or thermal conductivity</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/24494</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/24491</class-ref> and <class-ref scheme="cpc">B01D46/24492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/24495" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/24495</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Young&apos;s modulus</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/24495</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/24491</class-ref> and <class-ref scheme="cpc">B01D46/24492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/2451" definition-exists="true" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2451</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>characterized by the geometrical structure, shape, pattern or configuration or parameters related to the geometry of the structure</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2451</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2455" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2455</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>of the whole honeycomb or segments</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2455</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2459" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2459</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>of the plugs</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2459</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2462" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2462</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>the outer peripheral sealing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2462</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2466" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2466</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>of the adhesive layers, i.e. joints between segments</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2466</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/247" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/247</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>of the cells</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/247</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2474" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2474</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>of the walls along the length of the honeycomb</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2474</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2476" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2476</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Monolithic structures</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/2476</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref>, <class-ref scheme="cpc">B01D46/2486</class-ref>, <class-ref scheme="cpc">B01D46/2488</class-ref>, <class-ref scheme="cpc">B01D46/249</class-ref>, <class-ref scheme="cpc">B01D46/2494</class-ref> and <class-ref scheme="cpc">B01D46/2496</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2478" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2478</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Structures comprising honeycomb segments</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/2478</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref>, <class-ref scheme="cpc">B01D46/2486</class-ref>, <class-ref scheme="cpc">B01D46/2488</class-ref>, <class-ref scheme="cpc">B01D46/249</class-ref>, <class-ref scheme="cpc">B01D46/2494</class-ref> and <class-ref scheme="cpc">B01D46/2496</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/248" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/248</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Structures comprising laminated bodies or discs</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/248</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2425</class-ref>, <class-ref scheme="cpc">B01D46/2429</class-ref>, <class-ref scheme="cpc">B01D46/244</class-ref>, <class-ref scheme="cpc">B01D46/2444</class-ref>, <class-ref scheme="cpc">B01D46/2448</class-ref>, <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref>, <class-ref scheme="cpc">B01D46/2486</class-ref>, <class-ref scheme="cpc">B01D46/2488</class-ref>, <class-ref scheme="cpc">B01D46/249</class-ref>, <class-ref scheme="cpc">B01D46/2494</class-ref> and <class-ref scheme="cpc">B01D46/2496</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2482" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2482</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Thickness, height, width, length or diameter</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/2482</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref>, <class-ref scheme="cpc">B01D46/2486</class-ref>, <class-ref scheme="cpc">B01D46/2488</class-ref>, <class-ref scheme="cpc">B01D46/249</class-ref>, <class-ref scheme="cpc">B01D46/2494</class-ref> and <class-ref scheme="cpc">B01D46/2496</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2484" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2484</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Cell density, area or aspect ratio</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/2484</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref>, <class-ref scheme="cpc">B01D46/2486</class-ref>, <class-ref scheme="cpc">B01D46/2488</class-ref>, <class-ref scheme="cpc">B01D46/249</class-ref>, <class-ref scheme="cpc">B01D46/2494</class-ref> and <class-ref scheme="cpc">B01D46/2496</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D46/2486" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2486</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>characterised by the shapes or configurations</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2486</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref>, <class-ref scheme="cpc">B01D46/2484</class-ref> and <class-ref scheme="cpc">B01D46/2492</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D46/2488" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2488</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Triangular</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2488</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref> and <class-ref scheme="cpc">B01D46/2484</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D46/249" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/249</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Quadrangular e.g. square or diamond</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/249</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref> and <class-ref scheme="cpc">B01D46/2484</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D46/2492" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2492</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Hexagonal</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/2492</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D46/2451</class-ref>, <class-ref scheme="cpc">B01D46/2455</class-ref>, <class-ref scheme="cpc">B01D46/2459</class-ref>, <class-ref scheme="cpc">B01D46/2462</class-ref>, <class-ref scheme="cpc">B01D46/2466</class-ref>, <class-ref scheme="cpc">B01D46/247</class-ref>, <class-ref scheme="cpc">B01D46/2474</class-ref> and <class-ref scheme="cpc">B01D46/2486</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D46/2494" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2494</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Octagonal</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2494</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref> and <class-ref scheme="cpc">B01D46/2484</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D46/2496" definition-exists="false" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2496</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>Circular</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/2496</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D46/2476</class-ref>, <class-ref scheme="cpc">B01D46/2478</class-ref>, <class-ref scheme="cpc">B01D46/248</class-ref>, <class-ref scheme="cpc">B01D46/2482</class-ref> and <class-ref scheme="cpc">B01D46/2484</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/2498" definition-exists="true" ipc-concordant="B01D46/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-08-01" status="published"><classification-symbol>B01D46/2498</classification-symbol><class-title date-revised="2021-08-01"><title-part><CPC-specific-text><text>The honeycomb filter being defined by mathematical relationships</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/26" definition-exists="false" ipc-concordant="B01D46/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>rotatable</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/28" definition-exists="false" ipc-concordant="B01D46/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using filter brushes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/30" definition-exists="false" ipc-concordant="B01D46/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using loose filtering material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/32" definition-exists="false" ipc-concordant="B01D46/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the material moving during filtering</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/34" definition-exists="false" ipc-concordant="B01D46/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>not horizontally, e.g. using shoots</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/36" definition-exists="false" ipc-concordant="B01D46/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D46/36</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>as a substantially horizontal layer, e.g. on rotary tables, drums, conveyor belts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/38" definition-exists="false" ipc-concordant="B01D46/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>as fluidised bed</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/40" definition-exists="false" ipc-concordant="B01D46/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using edge filters, i.e. using contiguous impervious surfaces</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/403" definition-exists="false" ipc-concordant="B01D46/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of helically or spirally wound bodies</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/406" definition-exists="false" ipc-concordant="B01D46/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of stacked bodies</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/42" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Auxiliary equipment or operation thereof</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4209" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Prevention of static charge, e.g. by grounding</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4218" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Influencing the heat transfer which act passively, e.g. isolations, heat sinks, cooling ribs</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4227" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manipulating filters or filter elements, e.g. handles or extracting tools</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4236" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reducing noise or vibration emissions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4245" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for power supply or devices using electrical power in filters or filter elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4254" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Allowing or improving visual supervision, e.g. lamps, transparent parts, windows</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4263" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for active heating or cooling</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4272" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4272</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Special valve constructions adapted to filters or filter elements</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/4281" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/4281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Venturi&apos;s or systems showing a venturi effect</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/429" definition-exists="false" ipc-concordant="B01D46/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for wireless communication</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/44" definition-exists="false" ipc-concordant="B01D46/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>controlling filtration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/442" definition-exists="false" ipc-concordant="B01D46/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by measuring the concentration of particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/444" definition-exists="false" ipc-concordant="B01D46/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by flow measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/446" definition-exists="false" ipc-concordant="B01D46/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pressure measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/448" definition-exists="false" ipc-concordant="B01D46/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by temperature measuring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/46" definition-exists="false" ipc-concordant="B01D46/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>automatic</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/48" definition-exists="false" ipc-concordant="B01D46/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D46/48</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Removing dust other than cleaning filters </text><CPC-specific-text><text>, e.g. by using collecting trays</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/50" definition-exists="false" ipc-concordant="B01D46/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for discharging electrostatic potential</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/52" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using filters embodying folded </text><CPC-specific-text><text>corrugated or wound sheet</text></CPC-specific-text><text> material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/521" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/521</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using folded, pleated material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/522" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/522</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with specific folds, e.g. having different lengths</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/523" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for maintaining spacing between the pleats or folds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/525" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>which comprises flutes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/526" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in stacked arrangement</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/527" definition-exists="false" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/527</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in wound arrangement</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/528" definition-exists="true" ipc-concordant="B01D46/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/528</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using wound sheets </text><reference><text><class-ref scheme="cpc">B01D46/527</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/54" definition-exists="false" ipc-concordant="B01D46/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/543" definition-exists="false" ipc-concordant="B01D46/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/543</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/546" definition-exists="false" ipc-concordant="B01D46/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D46/546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using nano- or microfibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/56" definition-exists="false" ipc-concordant="B01D46/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/56</classification-symbol><class-title date-revised="2022-01-01"> <title-part><text>with multiple filtering elements, characterised by their mutual disposition </text><reference><text><class-ref scheme="cpc">B01D46/12</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/58" definition-exists="false" ipc-concordant="B01D46/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/58</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>connected in parallel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/60" definition-exists="false" ipc-concordant="B01D46/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/60</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>arranged concentrically or coaxially</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/62" definition-exists="false" ipc-concordant="B01D46/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/62</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>connected in series</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/64" definition-exists="false" ipc-concordant="B01D46/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/64</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>arranged concentrically or coaxially</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/645" definition-exists="false" ipc-concordant="B01D46/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/645</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Protecting screens at filter inlet or outlet</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/66" definition-exists="false" ipc-concordant="B01D46/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/66</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Regeneration of the filtering material or filter elements inside the filter </text><reference><text><class-ref scheme="cpc">B01D46/04</class-ref>, <class-ref scheme="cpc">B01D46/48</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/68" definition-exists="false" ipc-concordant="B01D46/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/68</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by means acting on the cake side involving movement with regard to the filter elements</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>Groups <class-ref scheme="cpc">B01D46/68</class-ref> - <class-ref scheme="cpc">B01D46/78</class-ref> are only for dry processes.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/681" definition-exists="false" ipc-concordant="B01D46/681" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/681</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by scrapers, brushes or the like</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D46/681</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D46/682</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D46/681</class-ref> and <class-ref scheme="cpc">B01D46/682</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/682" definition-exists="false" ipc-concordant="B01D46/682" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/682</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by nozzles</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D46/682</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D46/681</class-ref>.<br/>Groups <class-ref scheme="cpc">B01D46/681</class-ref> and <class-ref scheme="cpc">B01D46/682</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/69" definition-exists="false" ipc-concordant="B01D46/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/69</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/70" definition-exists="false" ipc-concordant="B01D46/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/70</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by acting counter-currently on the filtering surface, e.g. by flushing on the non-cake side of the filter</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/71" definition-exists="false" ipc-concordant="B01D46/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/71</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with pressurised gas, e.g. pulsed air</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/715" definition-exists="false" ipc-concordant="B01D46/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/715</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Using pressurized gas at supersonic velocities</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/72" definition-exists="false" ipc-concordant="B01D46/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/72</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with backwash arms, shoes or nozzles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/74" definition-exists="false" ipc-concordant="B01D46/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/74</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by forces created by movement of the filter element</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/76" definition-exists="false" ipc-concordant="B01D46/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/76</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>involving vibrations</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D46/762" definition-exists="false" ipc-concordant="B01D46/762" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/762</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>involving sonic or ultrasonic waves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/78" definition-exists="false" ipc-concordant="B01D46/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/78</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>involving centrifugal forces</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/785" definition-exists="false" ipc-concordant="B01D46/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/785</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>by electrical means, e.g. for the generation of electrostatic forces in order to reject particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/79" definition-exists="false" ipc-concordant="B01D46/79" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/79</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by liquid process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/80" definition-exists="false" ipc-concordant="B01D46/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/80</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Chemical processes for the removal of the retained particles, e.g. by burning</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/82" definition-exists="false" ipc-concordant="B01D46/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/82</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with catalysts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D46/84" definition-exists="false" ipc-concordant="B01D46/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/84</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>by heating only</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D46/86" definition-exists="false" ipc-concordant="B01D46/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/86</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Cleaning the filter surface by interrupting suction so that the filter cake falls by gravity</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/88" definition-exists="false" ipc-concordant="B01D46/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/88</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Replacing filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D46/90" definition-exists="false" ipc-concordant="B01D46/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D46/90</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Devices for taking out of action one or more units of multi-unit filters, e.g. for regeneration or maintenance</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D47/00" definition-exists="false" ipc-concordant="B01D47/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating dispersed particles from gases, air or vapours by liquid as separating agent </text><reference><text><class-ref scheme="cpc">B01D45/10</class-ref> takes precedence; fractionating columns or parts thereof <class-ref scheme="cpc">B01D3/16</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/02" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D47/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by passing the gas or air or vapour over or through a liquid bath</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/021" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by bubbling the gas through a liquid bath</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/022" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a liquid curtain </text><reference><text><class-ref scheme="cpc">B01D47/06</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/024" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by impinging the gas to be cleaned essentially in a perpendicular direction onto the liquid surface</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/025" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by contacting gas and liquid with a static flow mixer </text><reference><text><class-ref scheme="cpc">B01D47/14</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/027" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by directing the gas to be cleaned essentially tangential to the liquid surface</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/028" definition-exists="false" ipc-concordant="B01D47/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by directing the gas through a wetted wire mesh or a perforated plate </text><reference><text><class-ref scheme="cpc">B01D47/14</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/04" definition-exists="false" ipc-concordant="B01D47/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by passing the gas or air or vapour through foam</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/05" definition-exists="false" ipc-concordant="B01D47/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by condensation of the separating agent</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/06" definition-exists="false" ipc-concordant="B01D47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D47/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spray cleaning</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/063" definition-exists="false" ipc-concordant="B01D47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with two or more jets impinging against each other</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/066" definition-exists="false" ipc-concordant="B01D47/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with nozzles using mechanical vibrations</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/08" definition-exists="false" ipc-concordant="B01D47/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D47/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rotary nozzles</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D47/085" definition-exists="false" ipc-concordant="B01D47/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with nozzles which are partly immersed in the washing fluid</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/10" definition-exists="false" ipc-concordant="B01D47/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Venturi scrubbers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/12" definition-exists="false" ipc-concordant="B01D47/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Washers with plural different washing sections </text><reference><text><class-ref scheme="cpc">B01D47/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/14" definition-exists="false" ipc-concordant="B01D47/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Packed scrubbers </text><reference><text>packing elements <class-ref scheme="cpc">B01J19/30</class-ref>, <class-ref scheme="cpc">B01J19/32</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D47/16" definition-exists="false" ipc-concordant="B01D47/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus having rotary means, other than rotatable nozzles, for atomising the cleaning liquid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D47/18" definition-exists="false" ipc-concordant="B01D47/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D47/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with horizontally-arranged shafts</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D49/00" definition-exists="false" ipc-concordant="B01D49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D49/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating dispersed particles from gases, air or vapours by other methods</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D49/003" definition-exists="false" ipc-concordant="B01D49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D49/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sedimentation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D49/006" definition-exists="false" ipc-concordant="B01D49/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D49/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sonic or ultrasonic techniques</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D49/02" definition-exists="false" ipc-concordant="B01D49/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D49/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thermal repulsion</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D50/00" definition-exists="true" ipc-concordant="B01D50/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D50/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Combinations of methods or devices for separating particles from gases or vapours</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>Group <class-ref scheme="cpc">B01D50/10</class-ref> takes precedence over groups <class-ref scheme="cpc">B01D50/20</class-ref> - <class-ref scheme="cpc">B01D50/60</class-ref>.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D50/10" definition-exists="false" ipc-concordant="B01D50/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D50/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Combinations of devices covered by groups <class-ref scheme="cpc">B01D45/00</class-ref>,&#160;<class-ref scheme="cpc">B01D46/00</class-ref> and <class-ref scheme="cpc">B01D47/00</class-ref></text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D50/20" definition-exists="false" ipc-concordant="B01D50/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D50/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Combinations of devices covered by groups <class-ref scheme="cpc">B01D45/00</class-ref> and <class-ref scheme="cpc">B01D46/00</class-ref></text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D50/40" definition-exists="false" ipc-concordant="B01D50/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D50/40</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Combinations of devices covered by groups <class-ref scheme="cpc">B01D45/00</class-ref> and <class-ref scheme="cpc">B01D47/00</class-ref></text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D50/60" definition-exists="false" ipc-concordant="B01D50/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B01D50/60</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Combinations of devices covered by groups <class-ref scheme="cpc">B01D46/00</class-ref> and <class-ref scheme="cpc">B01D47/00</class-ref></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D51/00" definition-exists="true" ipc-concordant="B01D51/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D51/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Auxiliary pretreatment of gases or vapours to be cleaned </text><reference><text>preventing dust fires <class-ref scheme="cpc">A62C</class-ref>; pretreatment specially adapted for magnetic or electrostatic separation <class-ref scheme="cpc">B03C</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D51/02" definition-exists="false" ipc-concordant="B01D51/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D51/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amassing the particles, e.g. by flocculation </text><CPC-specific-text><reference><text>amassing by electric fields <class-ref scheme="cpc">B03C3/0175</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D51/04" definition-exists="false" ipc-concordant="B01D51/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D51/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by seeding, e.g. by adding particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D51/06" definition-exists="false" ipc-concordant="B01D51/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D51/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by varying the pressure of the gas or vapour</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D51/08" definition-exists="false" ipc-concordant="B01D51/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D51/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sound or ultrasonics</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D51/10" definition-exists="false" ipc-concordant="B01D51/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D51/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conditioning the gas to be cleaned</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D53/00" definition-exists="true" ipc-concordant="B01D53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D53/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of gases or vapours</text></title-part><title-part><text>Recovering vapours of volatile solvents from gases</text></title-part><title-part><text>Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols, </text><reference><text>recovery of volatile solvents by condensation <class-ref scheme="cpc">B01D5/00</class-ref>; sublimation <class-ref scheme="cpc">B01D7/00</class-ref>; cold traps, cold baffles <class-ref scheme="cpc">B01D8/00</class-ref>; working-up undefined gaseous mixtures obtained by cracking hydrocarbon oils <class-ref scheme="cpc">C10G70/00</class-ref>; cleaning coal gas <class-ref scheme="cpc">C10K</class-ref>; working-up of natural gas, or synthetic natural gas, <class-ref scheme="cpc">C10L3/10</class-ref>; separation of difficult-to-condense gases or air by liquefaction <class-ref scheme="cpc">F25J</class-ref>; for investigating materials <class-ref scheme="cpc">G01N30/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Group <class-ref scheme="cpc">B01D53/34</class-ref> takes precedence over groups <class-ref scheme="cpc">B01D53/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D53/32</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/002" definition-exists="true" ipc-concordant="B01D53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by condensation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/005" definition-exists="false" ipc-concordant="B01D53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by heat treatment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/007" definition-exists="true" ipc-concordant="B01D53/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by irradiation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/02" definition-exists="true" ipc-concordant="B01D53/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by adsorption, e.g. preparative gas chromatography </text><CPC-specific-text><reference><text>solid sorbent compositions <class-ref scheme="cpc">B01J20/00</class-ref>, preparation of inorganic compounds or elements <class-ref scheme="cpc">C01</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In group <class-ref scheme="cpc">B01D53/02</class-ref> and subgroups it is desirable to add indexing codes relating to adsorbents, components to be removed, main components in the product gas stream or type of gas or vapour treatment chosen from groups <class-ref scheme="cpc">B01D2253/00</class-ref>, <class-ref scheme="cpc">B01D2256/00</class-ref>, <class-ref scheme="cpc">B01D2257/00</class-ref> or <class-ref scheme="cpc">B01D2259/00</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/025" definition-exists="false" ipc-concordant="B01D53/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with wetted adsorbents; Chromatography </text><reference><text>analytical chromatography <class-ref scheme="cpc">G01N30/00</class-ref> - <class-ref scheme="cpc">G01N30/96</class-ref>; for liquids <class-ref scheme="cpc">B01D15/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/04" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>B01D53/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with stationary adsorbents </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D53/025</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note>In groups <class-ref scheme="cpc">B01D53/0462</class-ref> and <class-ref scheme="cpc">B01D53/047</class-ref> - <class-ref scheme="cpc">B01D53/0476</class-ref> it is desirable to add indexing codes chosen from <class-ref scheme="cpc">B01D2259/40007</class-ref> - <class-ref scheme="cpc">B01D2259/40081</class-ref> relating to controlling and processing aspects of pressure or temperature swing adsorption</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/0407" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Constructional details of adsorbing systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0415" definition-exists="false" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0415</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Beds in cartridges</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0423" definition-exists="false" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Beds in columns</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0431" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Beds with radial gas flow</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0438" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling or heating systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0446" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0446</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for feeding or distributing gases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/0454" definition-exists="true" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>B01D53/0454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling adsorption </text><reference><text>controlling temperature swing adsorption <class-ref scheme="cpc">B01D53/0462</class-ref>, controlling pressure swing adsorption <class-ref scheme="cpc">B01D53/047</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/0462" definition-exists="false" ipc-concordant="B01D53/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Temperature swing adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/047" definition-exists="true" ipc-concordant="B01D53/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure swing adsorption</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0473" definition-exists="true" ipc-concordant="B01D53/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0473</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Rapid pressure swing adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/0476" definition-exists="true" ipc-concordant="B01D53/047" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vacuum pressure swing adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/053" definition-exists="true" ipc-concordant="B01D53/053" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with storage or buffer vessel</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/06" definition-exists="true" ipc-concordant="B01D53/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving adsorbents, e.g. rotating beds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">B01D53/025</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/08" definition-exists="true" ipc-concordant="B01D53/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>according to the &quot;moving bed&quot; method</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/10" definition-exists="true" ipc-concordant="B01D53/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with dispersed adsorbents</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/12" definition-exists="true" ipc-concordant="B01D53/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>according to the &quot;fluidised technique&quot;</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/14" definition-exists="true" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by absorption</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1406" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple stage absorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1412" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1412</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the absorption process</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1418" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Recovery of products</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1425" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Regeneration of liquid absorbents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1431" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment by other processes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1437" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1437</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment by adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1443" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment by diffusion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/145" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment by separation of solid or liquid material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1456" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing acid components</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1462" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing mixtures of hydrogen sulfide and carbon dioxide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1468" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing hydrogen sulfide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1475" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing carbon dioxide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/1481" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing sulfur dioxide or sulfur trioxide</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1487" definition-exists="false" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1487</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing organic compounds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/1493" definition-exists="true" ipc-concordant="B01D53/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/1493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Selection of liquid materials for use as absorbents</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In <class-ref scheme="cpc">B01D53/1493</class-ref> it is desirable to add indexing codes for compositional aspects of absorbents. The codes are chosen from <class-ref scheme="cpc">B01D2252/00</class-ref> - <class-ref scheme="cpc">B01D2252/61</class-ref></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/18" definition-exists="true" ipc-concordant="B01D53/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Absorbing units</text></title-part><title-part><text>Liquid distributors therefor </text><reference><text><class-ref scheme="cpc">B01D3/16</class-ref>, <class-ref scheme="cpc">B01D3/26</class-ref>, <class-ref scheme="cpc">B01D3/30</class-ref> take precedence; packing elements <class-ref scheme="cpc">B01J19/30</class-ref>, <class-ref scheme="cpc">B01J19/32</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/185" definition-exists="false" ipc-concordant="B01D53/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid distributors</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/22" definition-exists="true" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by diffusion </text><reference><text>manufacturing semi-permeable membranes <class-ref scheme="cpc">B01D67/00</class-ref>; form, structure or properties of semi-permeable membranes <class-ref scheme="cpc">B01D69/00</class-ref>; material for semi-permeable membranes <class-ref scheme="cpc">B01D71/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D53/221" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2053/221</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Devices</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D53/222" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2053/222</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with plates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D53/223" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2053/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with hollow tubes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D53/224" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2053/224</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with hollow fibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/225" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multiple stage diffusion</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/226" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in serial connexion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/227" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in parallel connexion</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/228" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by specific membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/229" definition-exists="false" ipc-concordant="B01D53/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/229</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Integrated processes (Diffusion and at least one other process, e.g. adsorption, absorption)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/24" definition-exists="true" ipc-concordant="B01D53/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by centrifugal force </text><reference><text>centrifuges <class-ref scheme="cpc">B04B</class-ref>; cyclones <class-ref scheme="cpc">B04C</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/26" definition-exists="true" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drying gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/261" definition-exists="true" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/261</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by adsorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/263" definition-exists="true" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by absorption</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/265" definition-exists="true" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by refrigeration (condensation)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/266" definition-exists="false" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by filtration</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/268" definition-exists="true" ipc-concordant="B01D53/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by diffusion</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/28" definition-exists="true" ipc-concordant="B01D53/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selection of materials for use as drying agents</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/30" definition-exists="true" ipc-concordant="B01D53/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling by gas-analysis apparatus </text><reference><text>regulating non electrical variables in general <class-ref scheme="cpc">G05D</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/32" definition-exists="true" ipc-concordant="B01D53/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrical effects other than those provided for in group <class-ref scheme="cpc">B01D61/00</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/323" definition-exists="true" ipc-concordant="B01D53/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by electrostatic effects or by high-voltage electric fields</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/326" definition-exists="true" ipc-concordant="B01D53/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in electrochemical cells</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D53/34" definition-exists="true" ipc-concordant="B01D53/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical or biological purification of waste gases</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/343" definition-exists="true" ipc-concordant="B01D53/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat recovery</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/346" definition-exists="true" ipc-concordant="B01D53/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the process</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/38" definition-exists="true" ipc-concordant="B01D53/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing components of undefined structure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/40" definition-exists="true" ipc-concordant="B01D53/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acidic components </text><reference><text><class-ref scheme="cpc">B01D53/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/42" definition-exists="true" ipc-concordant="B01D53/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Basic components </text><reference><text><class-ref scheme="cpc">B01D53/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/44" definition-exists="true" ipc-concordant="B01D53/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic components</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/46" definition-exists="true" ipc-concordant="B01D53/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing components of defined structure</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/48" definition-exists="true" ipc-concordant="B01D53/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/485" definition-exists="true" ipc-concordant="B01D53/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing only one sulfur compound other than sulfur oxides or hydrogen sulfide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/50" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur oxides </text><reference><text><class-ref scheme="cpc">B01D53/60</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/501" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/501</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/502" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a specific solution or suspension</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/504" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a specific device</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/505" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in a spray drying process</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/507" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/507</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating the gases with other liquids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/508" definition-exists="true" ipc-concordant="B01D53/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/508</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating the gases with solids</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/52" definition-exists="true" ipc-concordant="B01D53/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen sulfide</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/523" definition-exists="true" ipc-concordant="B01D53/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of hydrogen sulfide and sulfur oxides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/526" definition-exists="true" ipc-concordant="B01D53/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of hydrogen sulfide and carbon dioxide</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/54" definition-exists="true" ipc-concordant="B01D53/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/56" definition-exists="true" ipc-concordant="B01D53/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen oxides </text><reference><text><class-ref scheme="cpc">B01D53/60</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/565" definition-exists="true" ipc-concordant="B01D53/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/565</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating the gases with solids</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/58" definition-exists="true" ipc-concordant="B01D53/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonia</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/60" definition-exists="true" ipc-concordant="B01D53/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simultaneously removing sulfur oxides and nitrogen oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/62" definition-exists="true" ipc-concordant="B01D53/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/64" definition-exists="true" ipc-concordant="B01D53/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heavy metals or compounds thereof, e.g. mercury</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/66" definition-exists="true" ipc-concordant="B01D53/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ozone</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/68" definition-exists="true" ipc-concordant="B01D53/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogens or halogen compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/685" definition-exists="true" ipc-concordant="B01D53/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating the gases with solids</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/70" definition-exists="true" ipc-concordant="B01D53/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic halogen compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/72" definition-exists="true" ipc-concordant="B01D53/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D53/72</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Organic compounds not provided for in groups <class-ref scheme="cpc">B01D53/48</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D53/70</class-ref>, e.g. hydrocarbons</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/73" definition-exists="true" ipc-concordant="B01D53/73" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>B01D53/73</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment of removed components</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D53/74" definition-exists="true" ipc-concordant="B01D53/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>General processes for purification of waste gases</text></title-part><title-part><text>Apparatus or devices specially adapted therefor </text><reference><text><class-ref scheme="cpc">B01D53/92</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/75" definition-exists="true" ipc-concordant="B01D53/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/75</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-step processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/76" definition-exists="false" ipc-concordant="B01D53/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas phase processes, e.g. by using aerosols</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/77" definition-exists="true" ipc-concordant="B01D53/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/77</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid phase processes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/78" definition-exists="true" ipc-concordant="B01D53/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with gas-liquid contact</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/79" definition-exists="true" ipc-concordant="B01D53/79" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/79</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Injecting reactants</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/80" definition-exists="true" ipc-concordant="B01D53/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Semi-solid phase processes, i.e. by using slurries</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/81" definition-exists="true" ipc-concordant="B01D53/81" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/81</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid phase processes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/82" definition-exists="true" ipc-concordant="B01D53/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with stationary reactants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/83" definition-exists="true" ipc-concordant="B01D53/83" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/83</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving reactants</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/84" definition-exists="true" ipc-concordant="B01D53/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biological processes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/85" definition-exists="true" ipc-concordant="B01D53/85" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/85</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with gas-solid contact</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/86" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalytic processes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/8603" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing sulfur compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8606" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8606</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only one sulfur compound other than sulfur oxides or hydrogen sulfide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8609" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8609</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfur oxides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8612" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8612</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hydrogen sulfide</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/8615" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of hydrogen sulfide and sulfur oxides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/8618" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of hydrogen sulfide and carbon dioxides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/8621" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing nitrogen compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8625" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nitrogen oxides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/8628" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes characterised by a specific catalyst</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/8631" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8631</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes characterised by a specific device</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8634" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8634</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonia</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/8637" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8637</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simultaneously removing sulfur oxides and nitrogen oxides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/864" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/864</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing carbon monoxide or hydrocarbons</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/8643" definition-exists="false" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8643</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing mixtures of carbon monoxide or hydrocarbons and nitrogen oxides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8646" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Simultaneous elimination of the components </text><reference><text><class-ref scheme="cpc">B01D53/8656</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/865" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/865</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a specific catalyst</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/8653" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by a specific device</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8656" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8656</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Successive elimination of the components</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/8659" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8659</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removing halogens or halogen compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/8662" definition-exists="true" ipc-concordant="B01D53/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/8662</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Organic halogen compounds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/9463" definition-exists="true" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/9463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with catalysts positioned on one brick</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="B01D53/9468" definition-exists="true" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/9468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in different layers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/9477" definition-exists="true" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/9477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with catalysts positioned on separate bricks, e.g. exhaust systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/9481" definition-exists="false" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D53/9481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Catalyst preceded by an adsorption device without catalytic function for temporary storage of contaminants, e.g. during cold start</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D53/9486" definition-exists="false" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/9486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for storing hydrocarbons</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D53/9495" definition-exists="true" ipc-concordant="B01D53/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/9495</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling the catalytic process</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D53/965" definition-exists="false" ipc-concordant="B01D53/96" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D53/965</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>including an electrochemical process step</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D57/00" definition-exists="true" ipc-concordant="B01D57/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D57/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation, other than separation of solids, not fully covered by a single other group or subclass, e.g. <class-ref scheme="cpc">B03C</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D57/02" definition-exists="true" ipc-concordant="B01D57/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D57/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrophoresis </text><reference><text>treatment of water, waste water, sewage or sludge by electrophoresis <class-ref scheme="cpc">C02F1/469</class-ref>; electrophoretic production of compounds or non-metals <class-ref scheme="cpc">C25B7/00</class-ref>; investigating or analysing materials by using electrophoresis <class-ref scheme="cpc">G01N27/26</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D59/00" definition-exists="true" ipc-concordant="B01D59/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of different isotopes of the same chemical element </text><reference><text>preventing occurrence of critical conditions when producing fissile material <class-ref scheme="cpc">G21</class-ref>; shielding from radioactivity <class-ref scheme="cpc">G21F</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/02" definition-exists="false" ipc-concordant="B01D59/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by phase transition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/04" definition-exists="false" ipc-concordant="B01D59/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by distillation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/06" definition-exists="false" ipc-concordant="B01D59/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fractional melting</text></title-part><title-part><text>by zone melting</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/08" definition-exists="false" ipc-concordant="B01D59/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fractional crystallisation, by precipitation, by zone freezing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/10" definition-exists="false" ipc-concordant="B01D59/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by diffusion</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/12" definition-exists="false" ipc-concordant="B01D59/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by diffusion through barriers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D59/14" definition-exists="false" ipc-concordant="B01D59/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Construction of the barrier</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/16" definition-exists="false" ipc-concordant="B01D59/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by thermal diffusion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/18" definition-exists="false" ipc-concordant="B01D59/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by separation jets</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/20" definition-exists="false" ipc-concordant="B01D59/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by centrifuging</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/22" definition-exists="false" ipc-concordant="B01D59/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by extracting</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/24" definition-exists="false" ipc-concordant="B01D59/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by solvent extraction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/26" definition-exists="false" ipc-concordant="B01D59/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sorption, i.e. absorption, adsorption, persorption</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/28" definition-exists="false" ipc-concordant="B01D59/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by chemical exchange</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/30" definition-exists="false" ipc-concordant="B01D59/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ion exchange</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/32" definition-exists="false" ipc-concordant="B01D59/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by exchange between fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D59/33" definition-exists="false" ipc-concordant="B01D59/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving dual temperature exchange</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/34" definition-exists="false" ipc-concordant="B01D59/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by photochemical methods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/36" definition-exists="false" ipc-concordant="B01D59/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by biological methods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/38" definition-exists="false" ipc-concordant="B01D59/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation by electrochemical methods </text><reference><text>in general <class-ref scheme="cpc">B01J</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/40" definition-exists="false" ipc-concordant="B01D59/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electrolysis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/42" definition-exists="false" ipc-concordant="B01D59/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by electromigration</text></title-part><title-part><text>by electrophoresis</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/44" definition-exists="true" ipc-concordant="B01D59/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D59/44</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Separation by mass spectrography </text><reference><text>particle spectrometers or separator tubes <class-ref scheme="cpc">H01J49/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/46" definition-exists="false" ipc-concordant="B01D59/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using only electrostatic fields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D59/48" definition-exists="false" ipc-concordant="B01D59/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrostatic and magnetic fields</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D59/50" definition-exists="true" ipc-concordant="B01D59/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D59/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation involving two or more processes covered by different groups selected from groups <class-ref scheme="cpc">B01D59/02</class-ref>, <class-ref scheme="cpc">B01D59/10</class-ref>, <class-ref scheme="cpc">B01D59/20</class-ref>, <class-ref scheme="cpc">B01D59/22</class-ref>, <class-ref scheme="cpc">B01D59/28</class-ref>, <class-ref scheme="cpc">B01D59/34</class-ref>, <class-ref scheme="cpc">B01D59/36</class-ref>, <class-ref scheme="cpc">B01D59/38</class-ref>, <class-ref scheme="cpc">B01D59/44</class-ref></text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="B01D61/00" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/00</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis, or ultrafiltration</text></title-part><title-part><text>Apparatus specially adapted therefor</text></title-part><title-part><text>Semi-permeable membranes or their production</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In IPC groups <class-ref scheme="cpc">B01D61/00</class-ref> - <class-ref scheme="cpc">B01D71/00</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.<br/><CPC-specific-note>The last place priority rule in groups <class-ref scheme="cpc">B01D61/00</class-ref> - <class-ref scheme="cpc">B01D69/00</class-ref> is not applied in the CPC.</CPC-specific-note> </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D61/00" definition-exists="true" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration</text></title-part><title-part><text>Apparatus, accessories or auxiliary operations specially adapted therefor </text><reference><text>separation of gases or vapours by diffusion <class-ref scheme="cpc">B01D53/22</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable: <subnote type="bullet"><note-paragraph><class-ref scheme="cpc">B01D2311/00</class-ref> for details related to process operations and control; </note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2313/00</class-ref> for details related to membrane modules or apparatus;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2315/00</class-ref> for details related to the membrane module operation;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2317/00</class-ref> for details related to the module arrangement within a plant or an apparatus;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2319/00</class-ref> for details related to the membrane assembly within one housing.</note-paragraph></subnote></CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>Multistep processes comprising two or more membrane-separation steps of different kinds must be classified in <class-ref scheme="cpc">B01D61/58</class-ref> in combination with the subgroup for the specific steps. The symbols relating to the specific steps are added as &quot;additional information.&quot;</CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>Multistep processes comprising two or more membrane-separation steps of the same kind must be classified in the subgroup covering the specific multistep membrane separation, e.g. <class-ref scheme="cpc">B01D61/029</class-ref> for processes comprising two or more reverse osmosis steps, <class-ref scheme="cpc">B01D61/3621</class-ref> for processes comprising two or more pervaporation steps.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/002" definition-exists="true" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/002</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Forward osmosis or direct osmosis</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/002</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/0021</class-ref>, <class-ref scheme="cpc">B01D61/0022</class-ref>, <class-ref scheme="cpc">B01D61/0023</class-ref> and <class-ref scheme="cpc">B01D61/0024</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/0021" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/0021</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple forward osmosis steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/0021</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/002</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/002</class-ref> and <class-ref scheme="cpc">B01D61/0021</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/0022" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/0022</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Apparatus therefor</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/0022</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/002</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/002</class-ref> and <class-ref scheme="cpc">B01D61/0022</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/0023" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/0023</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Accessories; Auxiliary operations</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/0023</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/002</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/002</class-ref> and <class-ref scheme="cpc">B01D61/0023</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/0024" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/0024</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Controlling or regulating</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/0024</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/002</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/002</class-ref> and <class-ref scheme="cpc">B01D61/0024</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/005" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/005</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Osmotic agents; Draw solutions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/007" definition-exists="false" ipc-concordant="B01D61/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separation by stereostructure, steric separation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/02" definition-exists="true" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D61/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Reverse osmosis</text></title-part><title-part><text>Hyperfiltration </text><CPC-specific-text><text>; Nanofiltration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/025" definition-exists="false" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/025</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Reverse osmosis; Hyperfiltration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/026" definition-exists="false" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/026</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple reverse osmosis steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/026</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/0271</class-ref> and <class-ref scheme="cpc">B01D61/029</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/026</class-ref>, <class-ref scheme="cpc">B01D61/0271</class-ref> and <class-ref scheme="cpc">B01D61/029</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/027" definition-exists="false" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/027</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Nanofiltration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/0271" definition-exists="false" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/0271</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple nanofiltration steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/0271</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/026</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/026</class-ref> and <class-ref scheme="cpc">B01D61/0271</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/029" definition-exists="false" ipc-concordant="B01D61/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/029</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Multistep processes comprising different kinds of membrane processes selected from reverse osmosis, hyperfiltration or nanofiltration</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/029</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/026</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/026</class-ref> and <class-ref scheme="cpc">B01D61/029</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/04" definition-exists="false" ipc-concordant="B01D61/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed pretreatment</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note>When classifying in this group, the type of pretreatment must be specified with the indexing codes of groups <class-ref scheme="cpc">B01D2311/04</class-ref> and <class-ref scheme="cpc">B01D2311/10</class-ref> - <class-ref scheme="cpc">B01D2311/2696</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/06" definition-exists="false" ipc-concordant="B01D61/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/08" definition-exists="false" ipc-concordant="B01D61/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus therefor</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/08</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/081</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/08</class-ref> and <class-ref scheme="cpc">B01D61/081</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/081" definition-exists="true" ipc-concordant="B01D61/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/081</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>used at home, e.g. kitchen</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/081</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/08</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/08</class-ref> and <class-ref scheme="cpc">B01D61/081</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/10" definition-exists="false" ipc-concordant="B01D61/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part><title-part><text>Auxiliary operations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/12" definition-exists="false" ipc-concordant="B01D61/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/14" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ultrafiltration</text></title-part><title-part><text>Microfiltration</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/145" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/145</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Ultrafiltration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/146" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/146</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple ultrafiltration steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/146</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/1471</class-ref> and <class-ref scheme="cpc">B01D61/149</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/146</class-ref>, <class-ref scheme="cpc">B01D61/1471</class-ref> and <class-ref scheme="cpc">B01D61/149</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/147" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/147</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Microfiltration</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/1471" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/1471</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple microfiltration steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/1471</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/146</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/146</class-ref> and <class-ref scheme="cpc">B01D61/1471</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/149" definition-exists="false" ipc-concordant="B01D61/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/149</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Multistep processes comprising different kinds of membrane processes selected from ultrafiltration or microfiltration</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/149</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/146</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/146</class-ref> and <class-ref scheme="cpc">B01D61/149</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/16" definition-exists="false" ipc-concordant="B01D61/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed pretreatment</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note>In group <class-ref scheme="cpc">B01D61/16</class-ref> the type of pretreatment must be specified with the indexing codes <class-ref scheme="cpc">B01D2311/04</class-ref> and <class-ref scheme="cpc">B01D2311/10</class-ref> - <class-ref scheme="cpc">B01D2311/2696</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/18" definition-exists="false" ipc-concordant="B01D61/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/20" definition-exists="false" ipc-concordant="B01D61/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories</text></title-part><title-part><text>Auxiliary operations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/22" definition-exists="false" ipc-concordant="B01D61/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/24" definition-exists="false" ipc-concordant="B01D61/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/24</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Dialysis </text><CPC-specific-text><text>; Membrane extraction</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/24</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/244</class-ref> and <class-ref scheme="cpc">B01D61/2461</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/24</class-ref>, <class-ref scheme="cpc">B01D61/244</class-ref> and <class-ref scheme="cpc">B01D61/2461</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/243" definition-exists="false" ipc-concordant="B01D61/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/243</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Dialysis</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/243</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/244</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/243</class-ref> and <class-ref scheme="cpc">B01D61/244</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/244" definition-exists="false" ipc-concordant="B01D61/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/244</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple dialysis steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/244</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D61/24</class-ref> and <class-ref scheme="cpc">B01D61/243</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/24</class-ref>, <class-ref scheme="cpc">B01D61/243</class-ref> and <class-ref scheme="cpc">B01D61/244</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/246" definition-exists="true" ipc-concordant="B01D61/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/246</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>Membrane extraction</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/246</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/2461</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/246</class-ref> and <class-ref scheme="cpc">B01D61/2461</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/2461" definition-exists="false" ipc-concordant="B01D61/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/2461</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple membrane extraction steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/2461</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D61/24</class-ref> and <class-ref scheme="cpc">B01D61/246</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/24</class-ref>, <class-ref scheme="cpc">B01D61/246</class-ref> and <class-ref scheme="cpc">B01D61/2461</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/28" definition-exists="false" ipc-concordant="B01D61/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/30" definition-exists="false" ipc-concordant="B01D61/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/30</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Accessories</text></title-part><title-part><text>Auxiliary operation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/32" definition-exists="false" ipc-concordant="B01D61/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/32</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Controlling or regulating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/36" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pervaporation</text></title-part><title-part><text>Membrane distillation</text></title-part><title-part><text>Liquid permeation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/36</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/363</class-ref>, <class-ref scheme="cpc">B01D61/3631</class-ref>, <class-ref scheme="cpc">B01D61/365</class-ref> and <class-ref scheme="cpc">B01D61/3651</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/362" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/362</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pervaporation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/362</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/3621</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/362</class-ref> and <class-ref scheme="cpc">B01D61/3621</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/3621" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/3621</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple pervaporation steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/3621</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/362</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/362</class-ref> and <class-ref scheme="cpc">B01D61/3621</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/363" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/363</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Vapour permeation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D61/363</class-ref> and <class-ref scheme="cpc">B01D61/3631</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/36</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/36</class-ref>, <class-ref scheme="cpc">B01D61/363</class-ref> and <class-ref scheme="cpc">B01D61/3631</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/3631" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/3631</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple vapour permeation steps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/364" definition-exists="true" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/364</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Membrane distillation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/364</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/3641</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/364</class-ref> and <class-ref scheme="cpc">B01D61/3641</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/3641" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/3641</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple membrane distillation steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/3641</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/364</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/364</class-ref> and <class-ref scheme="cpc">B01D61/3641</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/365" definition-exists="true" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/365</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Osmotic distillation or osmotic evaporation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D61/365</class-ref> and <class-ref scheme="cpc">B01D61/3651</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/36</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/36</class-ref>, <class-ref scheme="cpc">B01D61/365</class-ref> and <class-ref scheme="cpc">B01D61/3651</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/3651" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/3651</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple osmotic distillation or evaporation steps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/366" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/366</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus therefor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/368" definition-exists="false" ipc-concordant="B01D61/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/368</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Accessories; Auxiliary operations</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/38" definition-exists="false" ipc-concordant="B01D61/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid-membrane separation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/40" definition-exists="false" ipc-concordant="B01D61/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using emulsion-type membranes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/42" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/42</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Electrodialysis</text></title-part><title-part><text>Electro-osmosis </text><CPC-specific-text><text>; Electro-ultrafiltration; Membrane capacitive deionization</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/42</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/423</class-ref>, <class-ref scheme="cpc">B01D61/4251</class-ref>, <class-ref scheme="cpc">B01D61/4271</class-ref>, <class-ref scheme="cpc">B01D61/428</class-ref> and <class-ref scheme="cpc">B01D61/4281</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/422" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrodialysis</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/422</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/423</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/422</class-ref> and <class-ref scheme="cpc">B01D61/423</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/423" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/423</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple electrodialysis steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/423</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D61/42</class-ref> and <class-ref scheme="cpc">B01D61/422</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/42</class-ref>, <class-ref scheme="cpc">B01D61/422</class-ref> and <class-ref scheme="cpc">B01D61/423</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/425" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electro-ultrafiltration</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/425</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/4251</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/425</class-ref> and <class-ref scheme="cpc">B01D61/4251</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/4251" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/4251</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple electro-ultrafiltration steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/4251</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D61/42</class-ref> and <class-ref scheme="cpc">B01D61/425</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/42</class-ref>, <class-ref scheme="cpc">B01D61/425</class-ref> and <class-ref scheme="cpc">B01D61/4251</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/427" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electro-osmosis</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/427</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D61/4271</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/427</class-ref> and <class-ref scheme="cpc">B01D61/4271</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/4271" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/4271</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple electro-osmosis steps</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/4271</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D61/42</class-ref> and <class-ref scheme="cpc">B01D61/427</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/42</class-ref>, <class-ref scheme="cpc">B01D61/427</class-ref> and <class-ref scheme="cpc">B01D61/4271</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/428" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/428</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Membrane capacitive deionization</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D61/428</class-ref> and <class-ref scheme="cpc">B01D61/4281</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/42</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/42</class-ref>, <class-ref scheme="cpc">B01D61/428</class-ref> and <class-ref scheme="cpc">B01D61/4281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/4281" definition-exists="false" ipc-concordant="B01D61/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/4281</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising multiple membrane capacitive deionization steps</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/44" definition-exists="false" ipc-concordant="B01D61/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ion-selective electrodialysis</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/445" definition-exists="false" ipc-concordant="B01D61/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with bipolar membranes; Water splitting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/46" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus therefor</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D61/46</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D61/461</class-ref>, <class-ref scheme="cpc">B01D61/462</class-ref>, <class-ref scheme="cpc">B01D61/463</class-ref>, <class-ref scheme="cpc">B01D61/464</class-ref>, <class-ref scheme="cpc">B01D61/465</class-ref>, <class-ref scheme="cpc">B01D61/466</class-ref>, <class-ref scheme="cpc">B01D61/467</class-ref> and <class-ref scheme="cpc">B01D61/468</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/461" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/461</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising only a single cell, only one anion or cation exchange membrane or one pair of anion and cation membranes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/461</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/461</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/462" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/462</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence AA, where A is an anion exchange membrane</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/462</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/462</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/463" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/463</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence AC or CA, where C is a cation exchange membrane</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/463</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/463</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/464" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/464</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence CC</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/464</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/464</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/465" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/465</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence AB or BA, where B is a bipolar membrane</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/465</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/465</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/466" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/466</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence BC or CB</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/466</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/466</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/467" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/467</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising the membrane sequence BB</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/467</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/467</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/468" definition-exists="false" ipc-concordant="B01D61/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/468</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising more than two electrodes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D61/468</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D61/46</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D61/46</class-ref> and <class-ref scheme="cpc">B01D61/468</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/48" definition-exists="false" ipc-concordant="B01D61/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D61/48</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>having one or more compartments filled with ion-exchange material </text><CPC-specific-text><text>, e.g. electrodeionisation</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D61/485" definition-exists="false" ipc-concordant="B01D61/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Specific features relating to the ion-exchange material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D61/50" definition-exists="false" ipc-concordant="B01D61/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stacks of the plate-and-frame type</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/52" definition-exists="false" ipc-concordant="B01D61/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/52</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Accessories</text></title-part><title-part><text>Auxiliary operation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D61/54" definition-exists="false" ipc-concordant="B01D61/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D61/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D61/56" definition-exists="false" ipc-concordant="B01D61/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D61/56</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Electro-osmotic dewatering</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D61/58" definition-exists="true" ipc-concordant="B01D61/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D61/58</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Multistep processes</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>In group <class-ref scheme="cpc">B01D61/58</class-ref> the symbols relating to the specific process steps in <class-ref scheme="cpc">B01D61/00</class-ref> - <class-ref scheme="cpc">B01D61/56</class-ref> are given as additional information.</CPC-specific-note></note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D63/00" definition-exists="true" ipc-concordant="B01D63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus in general for separation processes using semi-permeable membranes</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable:<subnote type="bullet"><note-paragraph><class-ref scheme="cpc">B01D2313/00</class-ref> for details related to membrane modules and apparatus;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2315/00</class-ref> for details related to the membrane module operation;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2317/00</class-ref> for details related to the module arrangement within a plant or an apparatus;</note-paragraph><note-paragraph><class-ref scheme="cpc">B01D2319/00</class-ref> for details related to the membrane assembly within one housing.</note-paragraph></subnote></CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>Attention is drawn to the Note following <class-ref scheme="cpc">B01D59/50</class-ref>, which indicates the last place rule is not applied in <class-ref scheme="cpc">B01D63/00</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/005" definition-exists="false" ipc-concordant="B01D63/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/005</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Microfluidic devices </text><reference><text>Microfluidic devices comprising semi-permeable hollow fibre membranes <class-ref scheme="cpc">B01D63/028</class-ref>; Microfluidic devices comprising semi-permeable flat membranes <class-ref scheme="cpc">B01D63/088</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/02" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hollow fibre modules</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/02</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D63/031</class-ref>, <class-ref scheme="cpc">B01D63/032</class-ref>, <class-ref scheme="cpc">B01D63/033</class-ref> and <class-ref scheme="cpc">B01D63/034</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/021" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/021</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D63/0231</class-ref>, <class-ref scheme="cpc">B01D63/0232</class-ref> and <class-ref scheme="cpc">B01D63/0233</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/022" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Encapsulating hollow fibres</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/022</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D63/0221</class-ref>, <class-ref scheme="cpc">B01D63/0222</class-ref>, <class-ref scheme="cpc">B01D63/0223</class-ref>, <class-ref scheme="cpc">B01D63/0224</class-ref> and <class-ref scheme="cpc">B01D63/0225</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/0221" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0221</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>using a mould</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0221</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/022</class-ref> and <class-ref scheme="cpc">B01D63/0221</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/0222" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0222</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>using centrifugal forces</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0222</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/022</class-ref> and <class-ref scheme="cpc">B01D63/0222</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/0223" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0223</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by fixing the hollow fibres prior to encapsulation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0223</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/022</class-ref> and <class-ref scheme="cpc">B01D63/0223</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/0224" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0224</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Opening the fibre ends after encapsulation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0224</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/022</class-ref> and <class-ref scheme="cpc">B01D63/0224</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/0225" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0225</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Multiple encapsulation layers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0225</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/022</class-ref> and <class-ref scheme="cpc">B01D63/0225</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/023" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/023</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Encapsulating materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0231" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0231</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>using supporting structures, e.g. filaments for weaving mats</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0231</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/021</class-ref> and <class-ref scheme="cpc">B01D63/0231</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0232" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0232</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>using hollow fibers mats as precursor, e.g. wound or pleated mats</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0232</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/021</class-ref> and <class-ref scheme="cpc">B01D63/0232</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0233" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0233</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>forming the bundle</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0233</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/021</class-ref> and <class-ref scheme="cpc">B01D63/0233</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/024" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/024</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>with a single potted end</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/024</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D63/0241</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/024</class-ref> and <class-ref scheme="cpc">B01D63/0241</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0241" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0241</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>being U-shaped</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0241</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/024</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/024</class-ref> and <class-ref scheme="cpc">B01D63/0241</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/025" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Bobbin units</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/026" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wafer type modules or flat-surface type modules</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/027" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Twinned or braided type modules</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/028" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microfluidic devices comprising semi-permeable hollow fibre membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/031" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/031</classification-symbol><class-title date-revised="2022-08-01"> <title-part><CPC-specific-text><text>Two or more types of hollow fibres within one bundle or within one potting or tube-sheet</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/031</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/02</class-ref> and <class-ref scheme="cpc">B01D63/031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/032" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/032</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>More than two tube sheets for one bundle</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/032</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/02</class-ref> and <class-ref scheme="cpc">B01D63/032</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/033" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/033</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Specific distribution of fibres within one potting or tube-sheet</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/033</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/02</class-ref> and <class-ref scheme="cpc">B01D63/033</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/034" definition-exists="false" ipc-concordant="B01D63/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/034</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Lumen open in more than two directions</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/034</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/02</class-ref> and <class-ref scheme="cpc">B01D63/034</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/04" definition-exists="false" ipc-concordant="B01D63/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising multiple hollow fibre assemblies</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/043" definition-exists="false" ipc-concordant="B01D63/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with separate tube sheets</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/046" definition-exists="false" ipc-concordant="B01D63/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in separate housings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/06" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tubular membrane modules</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/06</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D63/069</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/06</class-ref> and <class-ref scheme="cpc">B01D63/069</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/061" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/062" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with membranes on a surface of a support tube</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/063" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on the inner surface thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/065" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>on the outer surface thereof</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/066" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a porous block having membrane coated passages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/067" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with pleated membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/068" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with flexible membrane tubes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/069" definition-exists="false" ipc-concordant="B01D63/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/069</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising a bundle of tubular membranes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/069</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/06</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/06</class-ref> and <class-ref scheme="cpc">B01D63/069</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/08" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flat membrane modules</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/08</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D63/089</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/08</class-ref> and <class-ref scheme="cpc">B01D63/089</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/081" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacturing thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/082" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/082</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising a stack of flat membranes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/082</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D63/0821</class-ref> and <class-ref scheme="cpc">B01D63/0822</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/082</class-ref>, <class-ref scheme="cpc">B01D63/0821</class-ref> and <class-ref scheme="cpc">B01D63/0822</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0821" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0821</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Membrane plate arrangements for submerged operation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0821</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/082</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/082</class-ref> and <class-ref scheme="cpc">B01D63/0821</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/0822" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/0822</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Plate-and-frame devices</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/0822</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/082</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/082</class-ref> and <class-ref scheme="cpc">B01D63/0822</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/084" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one flow duct intersecting the membranes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D63/085" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for two fluids in mass exchange flow</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/087" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Single membrane modules</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/088" definition-exists="false" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microfluidic devices comprising semi-permeable flat membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/089" definition-exists="true" ipc-concordant="B01D63/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/089</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Modules where the membrane is in the form of a bag, membrane cushion or pad</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/089</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/08</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/08</class-ref> and <class-ref scheme="cpc">B01D63/089</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/10" definition-exists="false" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spiral-wound membrane modules</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/10</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D63/101</class-ref> and <class-ref scheme="cpc">B01D63/107</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/10</class-ref>, <class-ref scheme="cpc">B01D63/101</class-ref> and <class-ref scheme="cpc">B01D63/107</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/101" definition-exists="true" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/101</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Spiral winding</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/101</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/10</class-ref> and <class-ref scheme="cpc">B01D63/101</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/103" definition-exists="false" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details relating to membrane envelopes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D63/103</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D63/1031</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/103</class-ref> and <class-ref scheme="cpc">B01D63/1031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D63/1031" definition-exists="false" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/1031</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Glue line or sealing patterns</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/1031</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/103</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/103</class-ref> and <class-ref scheme="cpc">B01D63/1031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/106" definition-exists="false" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anti-Telescopic-Devices [ATD]</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/107" definition-exists="false" ipc-concordant="B01D63/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D63/107</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Specific properties of the central tube or the permeate channel</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D63/107</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D63/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D63/10</class-ref> and <class-ref scheme="cpc">B01D63/107</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D63/12" definition-exists="false" ipc-concordant="B01D63/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising multiple spiral-wound assemblies</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/14" definition-exists="false" ipc-concordant="B01D63/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pleat-type membrane modules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D63/16" definition-exists="false" ipc-concordant="B01D63/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D63/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotary, reciprocated or vibrated modules</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D65/00" definition-exists="true" ipc-concordant="B01D65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph><CPC-specific-note>Attention is drawn to the Note following <class-ref scheme="cpc">B01D59/50</class-ref>, which indicates the last place rule is not applied in <class-ref scheme="cpc">B01D65/00</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D65/003" definition-exists="false" ipc-concordant="B01D65/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Membrane bonding or sealing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D65/02" definition-exists="false" ipc-concordant="B01D65/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Membrane cleaning or sterilisation </text><CPC-specific-text><text>; Membrane regeneration</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable: <subnote><note-paragraph><class-ref scheme="cpc">B01D2321/00</class-ref> for details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling.</note-paragraph></subnote></CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/022" definition-exists="false" ipc-concordant="B01D65/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Membrane sterilisation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/025" definition-exists="false" ipc-concordant="B01D65/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Removal of membrane elements before washing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/027" definition-exists="false" ipc-concordant="B01D65/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning of other parts of the apparatus than the membrane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/04" definition-exists="false" ipc-concordant="B01D65/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with movable bodies, e.g. foam balls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/06" definition-exists="true" ipc-concordant="B01D65/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with special washing compositions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D65/08" definition-exists="false" ipc-concordant="B01D65/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Prevention of membrane fouling or of concentration polarisation</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable: <subnote><note-paragraph><class-ref scheme="cpc">B01D2321/00</class-ref> for details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling.</note-paragraph></subnote></CPC-specific-note></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D65/10" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Testing of membranes or membrane apparatus</text></title-part><title-part><text>Detecting or repairing leaks</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D65/10</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D65/109</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D65/10</class-ref> and <class-ref scheme="cpc">B01D65/109</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/102" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of leaks in membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/104" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detection of leaks in membrane apparatus or modules</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/106" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Repairing membrane apparatus or modules</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D65/108" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D65/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Repairing membranes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D65/109" definition-exists="false" ipc-concordant="B01D65/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D65/109</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Testing of membrane fouling or clogging, e.g. amount or affinity</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D65/109</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D65/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D65/10</class-ref> and <class-ref scheme="cpc">B01D65/109</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D67/00" definition-exists="true" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable: <subnote type="bullet"><note-paragraph><class-ref scheme="cpc">B01D2323/00</class-ref> for details relating to membrane preparation.</note-paragraph></subnote></CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>Attention is drawn to the Note following <class-ref scheme="cpc">B01D59/50</class-ref>, which indicates the last place rule is not applied in <class-ref scheme="cpc">B01D67/00</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D67/0002" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0002</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Organic membrane manufacture</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0004" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0004</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by agglomeration of particles</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0004</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D67/00041</class-ref>, <class-ref scheme="cpc">B01D67/00042</class-ref>, <class-ref scheme="cpc">B01D67/00043</class-ref>, <class-ref scheme="cpc">B01D67/00044</class-ref>, <class-ref scheme="cpc">B01D67/00045</class-ref> and <class-ref scheme="cpc">B01D67/00046</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00041" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00041</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by sintering</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00041</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00041</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00042" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00042</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by deposition of fibres, nanofibres or nanofibrils</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00042</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00042</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00043" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00043</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by agglomeration of nanoparticles</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00043</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00043</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00044" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00044</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by plasma spraying</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00044</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00044</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00045" definition-exists="true" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00045</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by additive layer techniques, e.g. selective laser sintering [SLS], selective laser melting [SLM] or 3D printing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00045</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00045</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00046" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00046</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by deposition by filtration through a support or base layer</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00046</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0004</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0004</class-ref> and <class-ref scheme="cpc">B01D67/00046</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0006" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical reactions </text><reference><text>in-situ polymerisation, polycondensation, cross-linking or reaction for manufacturing composite membranes <class-ref scheme="cpc">B01D69/125</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0009" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by phase separation, sol-gel transition, evaporation or solvent quenching</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0009</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D67/00091</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0009</class-ref> and <class-ref scheme="cpc">B01D67/00091</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00091" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00091</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by evaporation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00091</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0009</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0009</class-ref> and <class-ref scheme="cpc">B01D67/00091</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0011" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Casting solutions therefor</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0011</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D67/00111</class-ref> and <class-ref scheme="cpc">B01D67/00113</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0011</class-ref>, <class-ref scheme="cpc">B01D67/00111</class-ref> and <class-ref scheme="cpc">B01D67/00113</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/00111" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00111</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymer pretreatment in the casting solutions</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00111</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0011</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0011</class-ref> and <class-ref scheme="cpc">B01D67/00111</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/00113" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00113</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Pretreatment of the casting solutions, e.g. thermal treatment or ageing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00113</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0011</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0011</class-ref> and <class-ref scheme="cpc">B01D67/00113</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0013" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0013</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Casting processes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0013</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D67/00135</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0013</class-ref> and <class-ref scheme="cpc">B01D67/00135</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/00135" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00135</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Air gap characteristics</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00135</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0013</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0013</class-ref> and <class-ref scheme="cpc">B01D67/00135</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0016" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coagulation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0016</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D67/00165</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0016</class-ref> and <class-ref scheme="cpc">B01D67/00165</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/00165" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00165</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Composition of the coagulation baths</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00165</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0016</class-ref>.<br/>Groups <class-ref scheme="cpc">B01D67/0016</class-ref> and <class-ref scheme="cpc">B01D67/00165</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0018" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0018</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Thermally induced processes [TIPS]</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/002" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from melts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0023" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by inducing porosity into non porous precursor membranes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0025" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by mechanical treatment, e.g. pore-stretching</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/0027" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by stretching</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/003" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by selective elimination of components, e.g. by leaching</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/003</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D67/0031</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/003</class-ref> and <class-ref scheme="cpc">B01D67/0031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/0031" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0031</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by elimination of at least one of the blocks of a block copolymer</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/0031</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/003</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/003</class-ref> and <class-ref scheme="cpc">B01D67/0031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0032" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0032</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/0034" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by micromachining techniques, e.g. using masking and etching steps, photolithography</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0037" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by deposition from the gaseous phase, e.g. CVD, PVD</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D67/0039" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0039</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Inorganic membrane manufacture</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0039</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D67/0049</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0039</class-ref> and <class-ref scheme="cpc">B01D67/0049</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0041" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0041</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by agglomeration of particles in the dry state</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0041</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D67/00411</class-ref>, <class-ref scheme="cpc">B01D67/00412</class-ref>, <class-ref scheme="cpc">B01D67/00413</class-ref>, <class-ref scheme="cpc">B01D67/00414</class-ref>, <class-ref scheme="cpc">B01D67/00415</class-ref> and <class-ref scheme="cpc">B01D67/00416</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00411" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00411</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by sintering</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00411</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00411</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00412" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00412</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by deposition of fibres, nanofibres or nanofibrils</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00412</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00412</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00413" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00413</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by agglomeration of nanoparticles</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00413</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00413</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00414" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00414</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by plasma spraying</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00414</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00414</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00415" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00415</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by additive layer techniques, e.g. selective laser sintering [SLS], selective laser melting [SLM] or 3D printing</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00415</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00415</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00416" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00416</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by deposition by filtration through a support or base layer</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00416</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0041</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0041</class-ref> and <class-ref scheme="cpc">B01D67/00416</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0044" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical reaction</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0046" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by slurry techniques, e.g. die or slip-casting</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0048" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by sol-gel transition</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0049" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0049</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by evaporation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/0049</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0039</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0039</class-ref> and <class-ref scheme="cpc">B01D67/0049</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0051" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by controlled crystallisation, e,.g. hydrothermal growth</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0053" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by inducing porosity into non porous precursor membranes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0055" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by mechanical treatment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/0058" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0058</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by selective elimination of components, e.g. by leaching</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/006" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by elimination of segments of the precursor, e.g. nucleation-track membranes, lithography or laser methods</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/0062" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by micromachining techniques, e.g. using masking and etching steps, photolithography</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D67/0065" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by anodic oxidation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0067" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by carbonisation or pyrolysis</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0069" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by deposition from the liquid phase, e.g. electrochemical deposition </text><reference><text><class-ref scheme="cpc">B01D67/0046</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0072" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by deposition from the gaseous phase, e.g. sputtering, CVD, PVD</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0074" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from melts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0076" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D67/0076</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Pretreatment of inorganic membrane material prior to membrane formation, e.g. coating of metal powder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D67/0079" definition-exists="true" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0079</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Manufacture of membranes comprising organic and inorganic components</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0079</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D67/00791</class-ref> and <class-ref scheme="cpc">B01D67/00793</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0079</class-ref>, <class-ref scheme="cpc">B01D67/00791</class-ref> and <class-ref scheme="cpc">B01D67/00793</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/00791" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00791</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Different components in separate layers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00791</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0079</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0079</class-ref> and <class-ref scheme="cpc">B01D67/00791</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/00793" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00793</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Dispersing a component, e.g. as particles or powder, in another component</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00793</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0079</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0079</class-ref> and <class-ref scheme="cpc">B01D67/00793</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D67/0081" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>After-treatment of organic or inorganic membranes</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0083" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thermal after-treatment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0086" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical after-treatment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0088" definition-exists="true" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0088</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Physical treatment with compounds, e.g. swelling, coating or impregnation</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/009" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with wave-energy, particle-radiation or plasma</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0093" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chemical modification</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D67/0093</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D67/00931</class-ref> and <class-ref scheme="cpc">B01D67/00933</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0093</class-ref>, <class-ref scheme="cpc">B01D67/00931</class-ref> and <class-ref scheme="cpc">B01D67/00933</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00931" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00931</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by introduction of specific groups after membrane formation, e.g. by grafting</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00931</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0093</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0093</class-ref> and <class-ref scheme="cpc">B01D67/00931</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D67/00933" definition-exists="true" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D67/00933</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by addition of a layer chemically bonded to the membrane</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D67/00933</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D67/0093</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D67/0093</class-ref> and <class-ref scheme="cpc">B01D67/00933</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0095" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drying</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D67/0097" definition-exists="false" ipc-concordant="B01D67/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D67/0097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Storing or preservation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D69/00" definition-exists="true" ipc-concordant="B01D69/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties</text></title-part><title-part><text>Manufacturing processes specially adapted therefor</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In this group, the following term is used with the meaning indicated: <subnote type="bullet"><note-paragraph>&quot;properties&quot; covers those of a mechanical, physical or chemical nature.</note-paragraph></subnote></note-paragraph><note-paragraph> <CPC-specific-note> Manufacturing processes, if considered of interest, are also classified in group <class-ref scheme="cpc">B01D67/00</class-ref>.</CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>Attention is drawn to the Note following <class-ref scheme="cpc">B01D59/50</class-ref>, which indicates the last place rule is not applied in <class-ref scheme="cpc">B01D69/00</class-ref>.</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/02" definition-exists="false" ipc-concordant="B01D69/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their properties</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group, the indexing codes of the following groups must be added if applicable: <subnote><note-paragraph><class-ref scheme="cpc">B01D2325/00</class-ref> for details relating to properties of membranes.</note-paragraph></subnote></CPC-specific-note></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/04" definition-exists="false" ipc-concordant="B01D69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tubular membranes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/043" definition-exists="false" ipc-concordant="B01D69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the tube diameter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/046" definition-exists="false" ipc-concordant="B01D69/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the cross-sectional shape of the tube</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/06" definition-exists="false" ipc-concordant="B01D69/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flat membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/06</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D69/061</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/06</class-ref> and <class-ref scheme="cpc">B01D69/061</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/061" definition-exists="true" ipc-concordant="B01D69/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/061</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Membrane bags or membrane cushions</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/061</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/06</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/06</class-ref> and <class-ref scheme="cpc">B01D69/061</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/08" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hollow fibre membranes </text><reference><text>manufacture of hollow fibres <class-ref scheme="cpc">D01D5/24</class-ref>, <class-ref scheme="cpc">D01F1/08</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/081" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the fibre diameter</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/082" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the cross-sectional shape of the fibre</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/084" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Undulated fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/085" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details relating to the spinneret</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/087" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details relating to the spinning process</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/087</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D69/0871</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/087</class-ref> and <class-ref scheme="cpc">B01D69/0871</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/0871" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/0871</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Fibre guidance after spinning through the manufacturing apparatus</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/0871</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/087</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/087</class-ref> and <class-ref scheme="cpc">B01D69/0871</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/088" definition-exists="false" ipc-concordant="B01D69/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/088</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Co-extrusion; Co-spinning</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/10" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supported membranes</text></title-part><title-part><text>Membrane supports</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/10</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D69/106</class-ref>, <class-ref scheme="cpc">B01D69/107</class-ref>, <class-ref scheme="cpc">B01D69/1071</class-ref> and <class-ref scheme="cpc">B01D69/108</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/105" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Support pretreatment</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/106" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/106</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Membranes in the pores of a support, e.g. polymerized in the pores or voids</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/106</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/10</class-ref> and <class-ref scheme="cpc">B01D69/106</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/107" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/107</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Organic support material</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D69/107</class-ref> and <class-ref scheme="cpc">B01D69/1071</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/10</class-ref>, <class-ref scheme="cpc">B01D69/107</class-ref> and <class-ref scheme="cpc">B01D69/1071</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/1071" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1071</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Woven, non-woven or net mesh</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/108" definition-exists="false" ipc-concordant="B01D69/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/108</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Inorganic support material</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/108</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/10</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/10</class-ref> and <class-ref scheme="cpc">B01D69/108</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/12" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composite membranes</text></title-part><title-part><text>Ultra-thin membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/12</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D69/1212</class-ref>, <class-ref scheme="cpc">B01D69/1213</class-ref>, <class-ref scheme="cpc">B01D69/1214</class-ref>, <class-ref scheme="cpc">B01D69/1216</class-ref> and <class-ref scheme="cpc">B01D69/1218</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/1212" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1212</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Coextruded layers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1212</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/12</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/12</class-ref> and <class-ref scheme="cpc">B01D69/1212</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/1213" definition-exists="true" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1213</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Laminated layers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1213</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/12</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/12</class-ref> and <class-ref scheme="cpc">B01D69/1213</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/1214" definition-exists="true" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1214</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Chemically bonded layers, e.g. cross-linking</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1214</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/12</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/12</class-ref> and <class-ref scheme="cpc">B01D69/1214</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/1216" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1216</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Three or more layers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1216</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/12</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/12</class-ref> and <class-ref scheme="cpc">B01D69/1216</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/1218" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1218</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Layers having the same chemical composition, but different properties, e.g. pore size, molecular weight or porosity</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1218</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/12</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/12</class-ref> and <class-ref scheme="cpc">B01D69/1218</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/122" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separate manufacturing of ultra-thin membranes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/125" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/125</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text><u>In situ</u> manufacturing by polymerisation, polycondensation, cross-linking or chemical reaction</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/125</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D69/1251</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/125</class-ref> and <class-ref scheme="cpc">B01D69/1251</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/1251" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1251</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>by interfacial polymerisation</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D69/1251</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/125</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/125</class-ref> and <class-ref scheme="cpc">B01D69/1251</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/127" definition-exists="false" ipc-concordant="B01D69/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electrical discharge or plasma-polymerisation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D69/14" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dynamic membranes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D69/141" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heterogeneous membranes, e.g. containing dispersed material; Mixed matrix membranes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D69/141</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D69/1411</class-ref> and <class-ref scheme="cpc">B01D69/14111</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/141</class-ref>, <class-ref scheme="cpc">B01D69/1411</class-ref> and <class-ref scheme="cpc">B01D69/14111</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/1411" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/1411</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>containing dispersed material in a continuous matrix</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D69/1411</class-ref> and <class-ref scheme="cpc">B01D69/14111</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D69/141</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D69/141</class-ref>, <class-ref scheme="cpc">B01D69/1411</class-ref> and <class-ref scheme="cpc">B01D69/14111</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D69/14111" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D69/14111</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>with nanoscale dispersed material, e.g. nanoparticles</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/142" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with &quot;carriers&quot;</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D69/144" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/144</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing embedded or bound biomolecules</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/145" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing embedded catalysts</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/147" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/147</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing embedded adsorbents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D69/148" definition-exists="false" ipc-concordant="B01D69/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D69/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Organic/inorganic mixed matrix membranes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B01D71/00" definition-exists="true" ipc-concordant="B01D71/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Semi-permeable membranes for separation processes or apparatus characterised by the material</text></title-part><title-part><text>Manufacturing processes specially adapted therefor</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>  In this group, if the material is a composition it is classified according to the constituent present in the highest proportion; see Note before group <class-ref scheme="cpc">B01D61/00</class-ref>. <CPC-specific-note>This constituent is classified according to the last place rule.</CPC-specific-note> If there is more than one constituent present in equal highest proportions, then each of these constituents is classified according to the last place rule.</note-paragraph><note-paragraph> Manufacturing processes, if considered of interest, are also classified in group <class-ref scheme="cpc">B01D67/00</class-ref>. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D71/02" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic material</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/02</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/0213</class-ref>, <class-ref scheme="cpc">B01D71/0215</class-ref> and <class-ref scheme="cpc">B01D71/05</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/021" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carbon</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/021</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/0211</class-ref> and <class-ref scheme="cpc">B01D71/0212</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/021</class-ref>, <class-ref scheme="cpc">B01D71/0211</class-ref> and <class-ref scheme="cpc">B01D71/0212</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0211" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0211</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Graphene or derivates thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0211</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/021</class-ref> and <class-ref scheme="cpc">B01D71/0211</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0212" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0212</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Carbon nanotubes</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0212</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/021</class-ref> and <class-ref scheme="cpc">B01D71/0212</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/0213" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0213</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Silicon</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0213</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/02</class-ref> and <class-ref scheme="cpc">B01D71/0213</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/0215" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0215</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Silicon carbide; Silicon nitride; Silicon oxycarbide</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0215</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/02</class-ref> and <class-ref scheme="cpc">B01D71/0215</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/022" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Metals</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/022</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/0221</class-ref>, <class-ref scheme="cpc">B01D71/0223</class-ref>, <class-ref scheme="cpc">B01D71/02231</class-ref>, <class-ref scheme="cpc">B01D71/02232</class-ref> and <class-ref scheme="cpc">B01D71/0227</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0221" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0221</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Group 4 or 5 metals</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0221</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/022</class-ref> and <class-ref scheme="cpc">B01D71/0221</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0223" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0223</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Group 8, 9 or 10 metals</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D71/0223</class-ref> - <class-ref scheme="cpc">B01D71/02232</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/022</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/02231" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/02231</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Palladium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/02232" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/02232</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Nickel</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0227" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0227</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>comprising an intermediate layer for avoiding intermetallic diffusion</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0227</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/022</class-ref> and <class-ref scheme="cpc">B01D71/0227</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/024" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/024</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/0271</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/024</class-ref> and <class-ref scheme="cpc">B01D71/0271</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/025" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminium oxide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/027" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicium oxide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0271" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0271</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Perovskites</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0271</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/024</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/024</class-ref> and <class-ref scheme="cpc">B01D71/0271</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/028" definition-exists="true" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/028</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Molecular sieves </text><reference><text>carbon <class-ref scheme="cpc">B01D71/021</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/028</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/0281</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/028</class-ref> and <class-ref scheme="cpc">B01D71/0281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/0281" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/0281</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Zeolites</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/0281</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/028</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/028</class-ref> and <class-ref scheme="cpc">B01D71/0281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/04" definition-exists="false" ipc-concordant="B01D71/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/05" definition-exists="false" ipc-concordant="B01D71/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/05</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Cermet materials</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/05</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/02</class-ref> and <class-ref scheme="cpc">B01D71/05</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B01D71/06" definition-exists="false" ipc-concordant="B01D71/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/08" definition-exists="false" ipc-concordant="B01D71/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polysaccharides</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/10" definition-exists="false" ipc-concordant="B01D71/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose</text></title-part><title-part><text>Modified cellulose</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/12" definition-exists="false" ipc-concordant="B01D71/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose derivatives</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/14" definition-exists="false" ipc-concordant="B01D71/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Esters of organic acids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D71/16" definition-exists="false" ipc-concordant="B01D71/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose acetate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D71/18" definition-exists="false" ipc-concordant="B01D71/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixed esters, e.g. cellulose acetate-butyrate</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/20" definition-exists="false" ipc-concordant="B01D71/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Esters of inorganic acids, e.g. cellulose nitrate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/22" definition-exists="false" ipc-concordant="B01D71/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose ethers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/24" definition-exists="false" ipc-concordant="B01D71/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rubbers</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In this group the following term is used with the meaning indicated: <subnote type="bullet"><note-paragraph>&quot;rubber&quot; covers:<subnote type="alpha"><note-paragraph>natural or conjugated diene rubber;</note-paragraph><note-paragraph>rubber in general (for specific rubber, see the group provided for such macromolecular compound) </note-paragraph></subnote></note-paragraph></subnote></note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/26" definition-exists="false" ipc-concordant="B01D71/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/26</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/261</class-ref> and <class-ref scheme="cpc">B01D71/262</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/26</class-ref>, <class-ref scheme="cpc">B01D71/261</class-ref> and <class-ref scheme="cpc">B01D71/262</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/261" definition-exists="false" ipc-concordant="B01D71/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/261</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyethylene</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/261</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/26</class-ref> and <class-ref scheme="cpc">B01D71/261</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/262" definition-exists="false" ipc-concordant="B01D71/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/262</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polypropylene</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/262</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/26</class-ref> and <class-ref scheme="cpc">B01D71/262</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/28" definition-exists="false" ipc-concordant="B01D71/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers of vinyl aromatic compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/28</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/281</class-ref>, <class-ref scheme="cpc">B01D71/282</class-ref> and <class-ref scheme="cpc">B01D71/283</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/281" definition-exists="false" ipc-concordant="B01D71/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/281</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polystyrene</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/281</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/28</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/28</class-ref> and <class-ref scheme="cpc">B01D71/281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/282" definition-exists="false" ipc-concordant="B01D71/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/282</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylphenol</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/282</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/28</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/28</class-ref> and <class-ref scheme="cpc">B01D71/282</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/283" definition-exists="false" ipc-concordant="B01D71/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/283</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylpyridine</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/283</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/28</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/28</class-ref> and <class-ref scheme="cpc">B01D71/283</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/30" definition-exists="false" ipc-concordant="B01D71/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenyl halides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/30</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/301</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/30</class-ref> and <class-ref scheme="cpc">B01D71/301</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/301" definition-exists="false" ipc-concordant="B01D71/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/301</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylchloride</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/301</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/30</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/30</class-ref> and <class-ref scheme="cpc">B01D71/301</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/32" definition-exists="false" ipc-concordant="B01D71/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing fluorine atoms</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/34" definition-exists="false" ipc-concordant="B01D71/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyvinylidene fluoride</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/36" definition-exists="false" ipc-concordant="B01D71/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polytetrafluoroethene</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/38" definition-exists="false" ipc-concordant="B01D71/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenylalcohols</text></title-part><title-part><text>Polyalkenylesters</text></title-part><title-part><text>Polyalkenylethers</text></title-part><title-part><text>Polyalkenylaldehydes</text></title-part><title-part><text>Polyalkenylketones</text></title-part><title-part><text>Polyalkenylacetals</text></title-part><title-part><text>Polyalkenylketals</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/38</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/381</class-ref>, <class-ref scheme="cpc">B01D71/382</class-ref> and <class-ref scheme="cpc">B01D71/383</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/381" definition-exists="false" ipc-concordant="B01D71/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/381</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylalcohol</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/381</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/38</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/38</class-ref> and <class-ref scheme="cpc">B01D71/381</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/382" definition-exists="false" ipc-concordant="B01D71/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/382</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylethers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/382</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/38</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/38</class-ref> and <class-ref scheme="cpc">B01D71/382</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/383" definition-exists="false" ipc-concordant="B01D71/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/383</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylacetates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/383</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/38</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/38</class-ref> and <class-ref scheme="cpc">B01D71/383</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/40" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers of unsaturated acids or derivatives thereof, e.g. salts, amides, imides, nitriles, anhydrides, esters</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/40</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/401</class-ref>, <class-ref scheme="cpc">B01D71/4011</class-ref>, <class-ref scheme="cpc">B01D71/402</class-ref>, <class-ref scheme="cpc">B01D71/403</class-ref> and <class-ref scheme="cpc">B01D71/404</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/401" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/401</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymers based on the polymerisation of acrylic acid, e.g. polyacrylate</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D71/401</class-ref> and <class-ref scheme="cpc">B01D71/4011</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/40</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/40</class-ref>, <class-ref scheme="cpc">B01D71/401</class-ref> and <class-ref scheme="cpc">B01D71/4011</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/4011" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/4011</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymethylmethacrylate</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/402" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/402</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymers based on the polymerisation of fumaric acid or derivatives thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/402</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/40</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/40</class-ref> and <class-ref scheme="cpc">B01D71/402</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/403" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/403</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymers based on the polymerisation of maleic acid or derivatives thereof</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/403</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/40</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/40</class-ref> and <class-ref scheme="cpc">B01D71/403</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/404" definition-exists="false" ipc-concordant="B01D71/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/404</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polymers based on the polymerisation of crotonic acid</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/404</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/40</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/40</class-ref> and <class-ref scheme="cpc">B01D71/404</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/42" definition-exists="false" ipc-concordant="B01D71/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers of nitriles, e.g. polyacrylonitrile</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/42</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/421</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/42</class-ref> and <class-ref scheme="cpc">B01D71/421</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/421" definition-exists="false" ipc-concordant="B01D71/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/421</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyacrylonitrile</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/421</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/42</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/42</class-ref> and <class-ref scheme="cpc">B01D71/421</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/44" definition-exists="false" ipc-concordant="B01D71/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/44</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups <class-ref scheme="cpc">B01D71/26</class-ref>-<class-ref scheme="cpc">B01D71/42</class-ref></text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/44</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/441</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/44</class-ref> and <class-ref scheme="cpc">B01D71/441</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/441" definition-exists="false" ipc-concordant="B01D71/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/441</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyvinylpyrrolidone</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/441</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/44</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/44</class-ref> and <class-ref scheme="cpc">B01D71/441</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/46" definition-exists="false" ipc-concordant="B01D71/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Epoxy resins</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/48" definition-exists="false" ipc-concordant="B01D71/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyesters</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/48</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/481</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/48</class-ref> and <class-ref scheme="cpc">B01D71/481</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/481" definition-exists="false" ipc-concordant="B01D71/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/481</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyarylates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/481</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/48</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/48</class-ref> and <class-ref scheme="cpc">B01D71/481</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/50" definition-exists="false" ipc-concordant="B01D71/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polycarbonates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/52" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyethers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/52</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/521</class-ref>, <class-ref scheme="cpc">B01D71/5211</class-ref>, <class-ref scheme="cpc">B01D71/522</class-ref>, <class-ref scheme="cpc">B01D71/5221</class-ref>, <class-ref scheme="cpc">B01D71/5222</class-ref> and <class-ref scheme="cpc">B01D71/5223</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/521" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/521</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Aliphatic polyethers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D71/521</class-ref> and <class-ref scheme="cpc">B01D71/5211</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/52</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/52</class-ref>, <class-ref scheme="cpc">B01D71/521</class-ref> and <class-ref scheme="cpc">B01D71/5211</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/5211" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/5211</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyethylene glycol or polyethyleneoxide</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/522" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/522</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Aromatic polyethers</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D71/522</class-ref> - <class-ref scheme="cpc">B01D71/5223</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/52</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/5221" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/5221</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyaryletherketone</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/5222" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/5222</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyetherketone, polyetheretherketone, or polyaryletherketone</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/5223" definition-exists="false" ipc-concordant="B01D71/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/5223</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyphenylene oxide, phenyl ether polymers or polyphenylethers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/54" definition-exists="false" ipc-concordant="B01D71/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyureas</text></title-part><title-part><text>Polyurethanes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/56" definition-exists="false" ipc-concordant="B01D71/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamides, e.g. polyester-amides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/58" definition-exists="false" ipc-concordant="B01D71/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other polymers having nitrogen in the main chain, with or without oxygen or carbon only</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/60" definition-exists="false" ipc-concordant="B01D71/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamines</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/60</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/601</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/60</class-ref> and <class-ref scheme="cpc">B01D71/601</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/601" definition-exists="false" ipc-concordant="B01D71/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/601</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyethylenimine</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/601</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/60</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/60</class-ref> and <class-ref scheme="cpc">B01D71/601</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/62" definition-exists="false" ipc-concordant="B01D71/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polycondensates having nitrogen-containing heterocyclic rings in the main chain</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B01D71/64" definition-exists="false" ipc-concordant="B01D71/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyimides</text></title-part><title-part><text>Polyamide-imides</text></title-part><title-part><text>Polyester-imides</text></title-part><title-part><text>Polyamide acids or similar polyimide precursors</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/64</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/641</class-ref>, <class-ref scheme="cpc">B01D71/642</class-ref> and <class-ref scheme="cpc">B01D71/643</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D71/641" definition-exists="false" ipc-concordant="B01D71/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/641</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyamide-imides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/641</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/64</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/64</class-ref> and <class-ref scheme="cpc">B01D71/641</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D71/642" definition-exists="false" ipc-concordant="B01D71/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/642</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyester-imides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/642</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/64</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/64</class-ref> and <class-ref scheme="cpc">B01D71/642</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="B01D71/643" definition-exists="false" ipc-concordant="B01D71/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/643</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polyether-imides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/643</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/64</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/64</class-ref> and <class-ref scheme="cpc">B01D71/643</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/66" definition-exists="false" ipc-concordant="B01D71/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers having sulfur in the main chain, with or without nitrogen, oxygen or carbon only</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/66</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D71/69</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/66</class-ref> and <class-ref scheme="cpc">B01D71/69</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/68" definition-exists="false" ipc-concordant="B01D71/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polysulfones</text></title-part><title-part><text>Polyethersulfones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/69" definition-exists="false" ipc-concordant="B01D71/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/69</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polysulfonamides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/69</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/66</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/66</class-ref> and <class-ref scheme="cpc">B01D71/69</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/70" definition-exists="false" ipc-concordant="B01D71/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D71/70</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D71/701</class-ref> and <class-ref scheme="cpc">B01D71/702</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/70</class-ref>, <class-ref scheme="cpc">B01D71/701</class-ref> and <class-ref scheme="cpc">B01D71/702</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/701" definition-exists="false" ipc-concordant="B01D71/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/701</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polydimethylsiloxane</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/701</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/70</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/70</class-ref> and <class-ref scheme="cpc">B01D71/701</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/702" definition-exists="false" ipc-concordant="B01D71/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/702</classification-symbol><class-title date-revised="2022-08-01"><title-part><CPC-specific-text><text>Polysilsesquioxanes or combination of silica with bridging organosilane groups</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D71/702</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D71/70</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D71/70</class-ref> and <class-ref scheme="cpc">B01D71/702</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/72" definition-exists="false" ipc-concordant="B01D71/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D71/72</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups <class-ref scheme="cpc">B01D71/46</class-ref> - <class-ref scheme="cpc">B01D71/70</class-ref> </text><CPC-specific-text><text>and <class-ref scheme="cpc">B01D71/701</class-ref> - <class-ref scheme="cpc">B01D71/702</class-ref></text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/74" definition-exists="false" ipc-concordant="B01D71/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Natural macromolecular material or derivatives thereof </text><reference><text><class-ref scheme="cpc">B01D71/08</class-ref>, <class-ref scheme="cpc">B01D71/24</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B01D71/76" definition-exists="false" ipc-concordant="B01D71/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D71/76</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Macromolecular material not specifically provided for in a single one of groups <class-ref scheme="cpc">B01D71/08</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D71/74</class-ref> </text><reference><text>rubbers in general <class-ref scheme="cpc">B01D71/24</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/78" definition-exists="false" ipc-concordant="B01D71/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Graft polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/80" definition-exists="false" ipc-concordant="B01D71/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Block polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B01D71/82" definition-exists="false" ipc-concordant="B01D71/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D71/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the presence of specified groups, e.g. introduced by chemical after-treatment</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="B01D101/00" date-revised="2013-01-01" status="published"><classification-symbol>B01D2101/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D101/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2101/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Types of filters having loose filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D101/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2101/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a binder between the individual particles or fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D101/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2101/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D101/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2101/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sand or gravel filters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D201/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to filtering apparatus</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements having a conical form</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supports for the filtering elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/0407" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Perforated supports on both sides of the filtering element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/0415" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0415</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of supporting structures</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0423" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0423</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>not in the inner side of the cylindrical filtering elements</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/043" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter tubes connected to plates</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0438" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0438</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted substantially vertically on plates at the lower side of the filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0446" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0446</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>suspended from plates at the upper side of the filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0453" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0453</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>positioned between at least two plates</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/0461" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0461</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Springs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/0469" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0469</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter tubes connected to collector tubes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0476" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted substantially vertically on collector tubes at the lower side of the filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0484" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0484</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>suspended from collector tubes at the upper side of the filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/0492" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>positioned between at least two collector tubes</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Resilient foam as filtering element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regeneration of the filter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/081" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using nozzles or suction devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/082" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suction devices placed on the cake side of the filtering element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Suction devices placed on the filtrate side of the filtering element, e.g. with variable edge filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/084" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nozzles placed on the filtrate side of the filtering element</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/085" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using another chemical than the liquid to be filtered</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/086" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using fluid streams co-current to the filtration direction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/087" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using gas bubbles, e.g. air</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/088" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D2201/088</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Arrangements for killing microorganisms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/089" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/089</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rollers having projections to clear the filter apertures</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtration under gravity in large open drainage basins</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pleated filters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/122" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with pleats of different length</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/125" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with non-parallel pleats</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/127" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for keeping the spacing between the pleats</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particulate filter materials with a lower density than the liquid mixture to be filtered</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Valves</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/162" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with snap, latch or clip connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/165" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-way valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/167" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/167</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-way valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters characterised by the openings or pores</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/182" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for depth filtration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/184" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/184</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special form, dimension of the openings, pores of the filtering elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/186" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pore openings which can be modified</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/188" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple filtering elements having filtering areas of different size</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure-related systems for filters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Systems for applying pressure to filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Systems for applying vacuum to filters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by the weight of the liquid in a tube, e.g. siphon, barometric leg</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by venturi systems</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering bands with supporting discs</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tools used for the removal of filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transport systems for filtering devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/265" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>mounted on vehicles</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Position of the filtering element</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/282" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements with a horizontal rotation or symmetry axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/285" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements with a symmetry axis not parallel to the rotation axis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/287" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/287</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements with a vertical or inclined rotation or symmetry axis</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/29" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter cartridge constructions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End caps</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/293" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/293</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making of end caps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/295" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/295</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with projections extending in a radial outward direction, e.g. for use as a guide, spacing means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/296" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/296</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other than having a circular shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/298" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/298</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>End caps common to at least two filtering elements</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter housing constructions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/301" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of removable closures, lids, caps, filter heads</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having inlet or outlet ports</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D201/303" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>not arranged concentrically</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Seals or gaskets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/305" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Snap, latch or clip connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/306" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Closures, lids, caps or filter heads forming one element with the filtering element</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/307" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements contained in an insert body mounted in a filter housing (double casing), e.g. to avoid contamination when removing or replacing the filter element</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/308" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of foils, membranes or other means to protect the filter before its use or for protecting the environment, e.g. during removal of the filter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/309" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/309</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Housings with transparent parts</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other construction details</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/313" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/313</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for protecting the filter from the incoming fluid, e.g. shields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/316" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/316</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Standpipes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flow characteristics of the filter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/325" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Outward flow filtration</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Seals or gaskets for filtering elements </text><reference><text>for removable closures, lids, caps or filter heads <class-ref scheme="cpc">B01D2201/304</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/342" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial sealings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/345" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressurized seals or gaskets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/347" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/347</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radial sealings</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering elements containing a rotating housing construction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing rewetting of the filter cake on the filter media</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special measures for connecting different parts of the filter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of cam or ramp systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4015" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bayonet connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for connecting filter housings to supports</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/403" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>allowing dilatation, e.g. by heat</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4038" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4038</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for connecting at least two filtering elements together</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4046" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4046</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for avoiding false mounting of different parts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/4053" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using keys</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D201/4061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>between a cartridge and a filter head or manifold</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4076" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4076</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anti-rotational means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4084" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/4084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Snap or Seeger ring connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/4092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>B01D2201/4092</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Threaded sections, e.g. screw</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special measures allowing the even or uniform distribution of fluid along the length of a conduit</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Several filtrate discharge conduits each connected to one filter element or group of filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Overflow systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for dissipating electrostatic charges</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter identification means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Computerised or programmable systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/56" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wireless systems for monitoring the filter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power supply means for regenerating the filter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/583" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/583</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using the kinetic energy of the fluid circulating in the filtering device</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/586" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/586</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using regenerative sources, e.g. wind, sun</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape of non-cylindrical filtering elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/602" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oval</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/605" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Square or rectangular</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D201/607" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/607</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Triangular</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Honeycomb-like</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D201/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2201/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters having floating elements </text><reference><text>floating filters <class-ref scheme="cpc">B01D35/05</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D202/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2202/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details concerning evaporation, distillation or condensation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D202/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D2202/10</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Use of a microdevice for separation </text><reference><text>microreactors <class-ref scheme="cpc">B01J19/00</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D202/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2202/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of an ionic liquid in the separation process</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D215/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separating processes involving the treatment of liquids with adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D215/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with moving adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D215/021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physically moving or fluidising the adsorbent beads or particles or slurry, excluding the movement of the entire columns</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D215/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physically moving the adsorbent as a whole, e.g. belts, discs or sheets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D215/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simulated moving beds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D215/024" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Provisions to deal with recirculated volumes, e.g. in order to regulate flow</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D215/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reekon with dead volumes between sections</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D215/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flushing the injection conduits</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D215/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Used at supercritical conditions of temperature or pressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D215/028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Co-current flow</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D215/029" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2215/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Centrifuge-like arrangements</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D221/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Applications of separation devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Small separation devices for domestic application, e.g. for canteens, industrial kitchen, washing machines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation devices for treating liquids from earth drilling, mining </text><reference><text>separation of well effluents <class-ref scheme="cpc">E21B43/34</class-ref>, flotation in general <class-ref scheme="cpc">B03D1/00</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation devices for industrial food processing or agriculture</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mobile separation devices</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>B01D2221/10</classification-symbol><class-title date-revised="2019-05-01"><title-part><text>Separation devices for use in medical, pharmaceutical or laboratory applications, e.g. separating amalgam from dental treatment residues </text><reference><text>apparatus for dental treatment <class-ref scheme="cpc">A61C17/065</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation devices for treating rain or storm water </text><reference><text>storm water treatment <class-ref scheme="cpc">E03F</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation devices for workshops, car or semiconductor industry, e.g. for separating chips and other machining residues</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D221/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2221/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation devices for cleaning ambient air, e.g. air along roads or air in cities</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D239/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aspects relating to filtering material for liquid or gaseous fluids</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Types of fibres, filaments or particles, self-supporting or supported materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single-component fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bicomponent or multicomponent fibres</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Side-by-side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0233" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Island-in-sea</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising electrically conductive fibres or particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising nanofibres </text><reference><text>apparatus incorporating such gas filtering material <u>see</u> <class-ref scheme="cpc">B01D46/546</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0258" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising nanoparticles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0266" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising biodegradable or bio-soluble polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0275" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising biologically produced plastics, e.g. bioplastics</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising filter materials made from waste or recycled materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising swelling polymers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives and treatments of the filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0407" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising particulate additives, e.g. adsorbents </text><reference><text>apparatus incorporating gas filtering material <class-ref scheme="cpc">B01D46/0036</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0414" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface modifiers, e.g. comprising ion exchange groups</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0421" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0421</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rendering the filter material hydrophilic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0428" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0428</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rendering the filter material hydrophobic</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0435" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electret </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D46/0032</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0442" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0442</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antimicrobial, antibacterial, antifungal additives </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D46/0028</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Deodorising additives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0457" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0457</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific fire retardant or heat resistant properties </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D46/0093</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0464" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0464</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impregnants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0471" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0471</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface coating material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0478" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0478</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on a layer of the filter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0485" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0485</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0492" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on fibres</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter cloth, e.g. knitted, woven non-woven</text></title-part><title-part><text>self-supported material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0604" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0604</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of the fibres in the filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0609" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0609</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Knitted</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0613" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0613</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Woven</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0618" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0618</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-woven</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0622" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0622</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melt-blown</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0627" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0627</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spun-bonded</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0631" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0631</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electro-spun</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0636" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0636</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two or more types of fibres present in the filter material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The fibres being mixed</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/0645" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0645</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Arrangement of the particles in the filtering material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>More than one layer present in the filtering material </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D2275/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0654" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0654</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Support layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0659" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0659</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The layers being joined by needling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0663" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0663</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The layers being joined by hydro-entangling</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0668" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0668</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The layers being joined by heat or melt-bonding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0672" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0672</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The layers being joined by welding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0677" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0677</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by spot-welding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0681" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0681</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The layers being joined by gluing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0686" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/0686</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by spot-gluing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special geometry of layers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D239/0695" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>B01D2239/0695</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wound layers </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D2275/105</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special characteristics of binders</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Binders between layers of the filter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/086" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Binders between particles or fibres</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtering material manufacturing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D239/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special parameters characterising the filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D2239/1208</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Porosity </text><reference><text>apparatus incorporating such gas filtering material <class-ref scheme="cpc">B01D2275/30</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D2275/307</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pore size</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre length</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1233" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1233</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre diameter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particle diameter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/125" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Size distribution</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1258" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1258</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Permeability</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1266" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solidity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1275" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stiffness</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stability index</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D239/1291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2239/1291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other parameters</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D247/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Enhancing the particle separation by electrostatic or magnetic effects </text><reference><text><class-ref scheme="cpc">B01D2247/102</class-ref> takes precedence; electrostatic or magnetic separation <class-ref scheme="cpc">B03C</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-02-01" status="published"><classification-symbol>B01D2247/04</classification-symbol><class-title date-revised="2018-02-01"><title-part><text>Regenerating the washing fluid </text><reference><text>recovering paint spray booth <class-ref scheme="cpc">B05B14/462</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation units provided with means for cleaning and maintenance</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for controlling the separation process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for removing the washing fluid dispersed in the gas or vapours </text><reference><text>separating dispersed particles from gases by gravity, inertia or centrifugal forces <class-ref scheme="cpc">B01D45/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/101" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/101</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a cyclone</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using electrostatic or magnetic effects</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/103" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using fluids, e.g. as a fluid curtain or as large liquid droplets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an impeller</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/105" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by gas flow reversal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>B01D2247/106</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>using a structured demister, e.g. tortuous channels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/107" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using an unstructured demister, e.g. a wire mesh demister</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D247/108" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using vortex inducers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fan arrangements for providing forced draft</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D247/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2247/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fan arrangements for providing induced draft</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D251/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reactants</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxidants</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ozone</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Peroxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D251/1065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/1065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic peroxides</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/108" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogens or halogen compounds </text><reference><text>hydrogen halides <class-ref scheme="cpc">B01D2251/50</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reductants</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon monoxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonium compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D251/2062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/2062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonia</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D251/2065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/2065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonium hydroxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D251/2067" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/2067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Urea</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic compounds not provided for in groups <class-ref scheme="cpc">B01D2251/206</class-ref> or <class-ref scheme="cpc">B01D2251/208</class-ref></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkali metal compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of lithium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of sodium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/306" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of potassium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkaline earth metal or magnesium compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/402" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of magnesium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/404" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of calcium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/406" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of strontium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/408" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of barium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic acids</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrochloric acid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/504" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitric acid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/506" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/506</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfuric acid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/508" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/508</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur dioxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/51" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen sulfide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/512" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/512</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphoric acid</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic bases or salts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/602" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/604" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/604</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydroxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/606" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbonates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/608" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/608</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/61" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphates</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic acids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic bases or salts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chelants</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/902" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/902</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>EDTA</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D251/904" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/904</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NTA</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D251/95" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2251/95</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific microorganisms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D252/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Absorbents, i.e. solvents and liquid materials for gas absorption</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic absorbents </text><reference><text>chemical reactants <class-ref scheme="cpc">B01D2251/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonia</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/103" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/1035" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/1035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sea water</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic absorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alcohols or their derivatives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/2021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methanol</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/2023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glycols, diols or their derivatives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/2025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ethers or esters of alkylene glycols, e.g. ethylene or propylene carbonate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/2026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyethylene glycol, ethers or esters thereof, e.g. Selexol</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/2028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polypropylene glycol, ethers or esters thereof</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20405" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20405</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monoamines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/2041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diamines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20415" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20415</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tri- or polyamines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20421" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20421</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Primary amines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20426" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20426</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Secondary amines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20431" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20431</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tertiary amines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20436" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20436</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyclic amines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20442" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20442</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a piperidine-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20447" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a piperazine-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20452" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a morpholine-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20457" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20457</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a pyridine-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20463" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20463</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a pyrimidine-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20468" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20468</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a pyrrolidone-ring</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20473" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20473</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an imidazole-ring</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20478" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20478</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkanolamines</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20484" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20484</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with one hydroxyl group</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D252/20489" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20489</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two or more hydroxyl groups</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/20494" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/20494</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amino acids, their salts or derivatives</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D2252/205</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Other organic compounds not covered by <class-ref scheme="cpc">B01D2252/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D2252/20494</class-ref></text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/2053" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2053</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other nitrogen compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D252/2056" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/2056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur compounds, e.g. Sulfolane, thiols</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ionic liquids and zwitter-ions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Absorbents explicitly excluding the presence of water</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of absorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having two or more functionalities in the same molecule other than alkanolamine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/504" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures of two or more absorbents</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D252/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/602" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Activators, promoting agents, catalytic agents or enzymes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/604" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/604</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stabilisers or agents inhibiting degradation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/606" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anticorrosion agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/608" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/608</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antifoaming agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D252/61" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2252/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antifouling agents</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D253/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adsorbents used in seperation treatment of gases and vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D253/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alumina</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica or silicates</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/108" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zeolites</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D253/1085" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterized by a silicon-aluminium ratio</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clays</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/112" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals or metal compounds not provided for in <class-ref scheme="cpc">B01D2253/104</class-ref> or <class-ref scheme="cpc">B01D2253/106</class-ref></text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/1122" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/1122</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/1124" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/1124</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/1126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/1126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal hydrides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/1128" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/1128</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal sulfides</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/116" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Molecular sieves other than zeolites</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D253/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymeric adsorbents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal organic frameworks (MOF&apos;s)</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ion exchange resins</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D253/25" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coated, impregnated or composite adsorbents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D253/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physical properties of adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dimensions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear dimensions, e.g. particle shape, diameter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/306" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface area, e.g. BET-specific surface</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/308" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pore size</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pore size distribution</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/311" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/311</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porosity, e.g. pore volume</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D253/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific shapes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D253/342" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/342</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Monoliths</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D253/3425" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2253/3425</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Honeycomb shape</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D255/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Noble metals or compounds thereof</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Platinum group metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/1021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/1021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Platinum</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/1023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/1023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Palladium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/1025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rhodium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/1026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/1026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ruthenium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/1028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/1028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iridium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silver</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gold</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals or compounds thereof </text><reference><text>noble metals <class-ref scheme="cpc">B01D2255/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkali metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Potassium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lithium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sodium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkaline earth metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2042" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Barium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Calcium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnesium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rare earth metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Yttrium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2063" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lanthanum</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cerium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Praseodymium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2068" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Neodymium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/207" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transition metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20707" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20707</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Titanium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20715" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20715</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zirconium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20723" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20723</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vanadium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2073" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Manganese</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20738" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20738</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iron</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20746" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20746</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cobalt</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20753" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20753</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nickel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20761" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20761</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Copper</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20769" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20769</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Molybdenum</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20776" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20776</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tungsten</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20784" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20784</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chromium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/20792" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/20792</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zinc</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/209" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/209</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aluminium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2094" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2094</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tin</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2096" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bismuth</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/2098" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/2098</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antimony</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixed oxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/402" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Perovskites</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/405" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spinels</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/407" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zr-Ce mixed oxides</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zeolites</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Beta zeolites</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/504" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ZSM 5 zeolites</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/65" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts not containing noble metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-metallic catalysts, additives or dopants</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/702" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/702</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/705" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/705</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ligands for metal-organic catalysts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/707" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/707</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives or dopants</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type of catalytic reaction</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/802" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/802</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Photocatalytic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/804" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/804</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Enzymatic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/806" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/806</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrocatalytic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/808" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/808</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrolytic</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D255/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physical characteristics of catalysts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/902" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/902</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multilayered catalyst</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Three layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>More than three layers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/903" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/903</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-zoned catalysts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9032" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9032</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Two zones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9035" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Three zones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9037" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>More than three zones</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/904" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/904</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple catalysts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in parallel</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/905" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/905</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts having a gradually changing coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/906" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/906</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalyst dispersed in the gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/908" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/908</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>O<sub>2</sub>-storage component incorporated in the catalyst</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/909" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/909</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>H<sub>2</sub>-storage component incorporated in the catalyst</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/91" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/91</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NOx-storage component incorporated in the catalyst</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/911" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/911</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>NH<sub>3</sub>-storage component incorporated in the catalyst</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/912" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/912</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>HC-storage component incorporated in the catalyst</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/915" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/915</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalyst supported on particulate filters</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9155" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wall flow filters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D255/92" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dimensions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Linear dimensions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porosity</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D255/9207" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2255/9207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific surface</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D256/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Main component in the product gas stream after treatment</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ozone</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Noble gases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon monoxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon dioxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D256/245" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methane</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D256/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2256/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogens or halogen compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D257/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Components to be removed</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single element gases other than halogens</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/108" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Noble gases</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogens or halogen compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Single element halogens</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bromine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chlorine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluorine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic halogen compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2042" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2042</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrobromic acid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrochloric acid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrofluoric acid</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic halogen compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bromine compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chlorine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluorine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/2068" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/2068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iodine</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/304" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen sulfide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/306" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic sulfur compounds, e.g. mercaptans</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/308" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbonoxysulfide COS</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/402" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dinitrogen oxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/404" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen oxides other than dinitrogen oxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/406" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonia</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/408" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyanides, e.g. hydrogen cyanide (HCH)</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon oxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon monoxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/504" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon dioxide</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/55" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of silicon, phosphorus, germanium or arsenic</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/553" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/553</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds comprising hydrogen, e.g. silanes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/556" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/556</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heavy metals or heavy metal compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/602" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mercury or mercury compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D2257/70</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Organic compounds not provided for in groups <class-ref scheme="cpc">B01D2257/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D2257/602</class-ref></text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/702" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/702</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/7022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/7022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aliphatic hydrocarbons</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D257/7025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/7025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methane</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D257/7027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/7027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aromatic hydrocarbons</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/704" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D2257/704</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Solvents not covered by groups <class-ref scheme="cpc">B01D2257/702</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D2257/7027</class-ref></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D257/706" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/706</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organometallic compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2257/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D257/93" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B01D2257/93</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Toxic compounds not provided for in groups <class-ref scheme="cpc">B01D2257/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">B01D2257/708</class-ref></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D258/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sources of waste gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D258/01" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Engine exhaust gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/012" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diesel engines and lean burn gasoline engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/014" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/014</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stoichiometric gasoline engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/016" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methanol engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/018" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Natural gas engines</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D258/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other waste gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from fuel cells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from CVD treatment or semi-conductor manufacturing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from chemical or biological warfare</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0233" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from cement factories</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from glass manufacture plants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from metallurgy plants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0258" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from painting equipments or paint drying installations</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0266" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from animal farms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0275" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from food processing plants or kitchens</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D258/0283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flue gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D258/0291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from waste incineration plants</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D258/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biogas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D258/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2258/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polluted air</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D259/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type of treatment</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas phase, e.g. by using aerosols</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods and means for introducing reactants </text><reference><text>for catalytic processes <class-ref scheme="cpc">B01D53/90</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/122" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gaseous reactants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/124" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid reactants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Semi-solid reactants, e.g. slurries</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/128" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid reactants</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Further details for adsorption processes and devices</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/40001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods relating to additional, e.g. intermediate, treatment of process gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/40003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods relating to valve switching</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using rotary valves</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/40007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling pressure or temperature swing adsorption</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40009" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40009</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using sensors or gas analysers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/40011" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40011</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods relating to the process cycle in pressure or temperature swing adsorption</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40013" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40013</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressurization</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40015" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40015</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40016" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40018" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than three sub-steps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Production</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40024" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than three sub-steps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Depressurization</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40032" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40032</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40033" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than three sub-steps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40035" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Equalization</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40037" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40039" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40039</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than three sub-steps</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40043" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40043</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Purging</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with two sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40049" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40049</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than three sub-steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nature of purge gas</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D259/40052" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40052</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recycled product or process gas</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="B01D259/40054" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40054</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>treated before its reuse</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D259/40056" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40056</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gases other than recycled product or process gas</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40058" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Number of sequence steps, including sub-steps, per cycle</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4006" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Less than four</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Four</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Five</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Six</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40067" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Seven</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Eight</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40071" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40071</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40073" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40073</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ten</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40075" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>More than ten</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40077" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40077</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Direction of flow</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40079" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40079</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Co-current</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40081" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Counter-current</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/40083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Regeneration of adsorbents in processes other than pressure or temperature swing adsorption</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40084" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40084</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by exchanging used adsorbents with fresh adsorbents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40086" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40086</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using a purge gas </text><reference><text><class-ref scheme="cpc">B01D2259/4009</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/40088" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by heating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4009" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4009</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using hot gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using hot liquid</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40094" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40094</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by applying microwaves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40096" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by using electrical resistance heating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/40098" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/40098</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other heating means</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/401" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/401</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using a single bed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/402" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using two beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/403" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using three beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/404" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using four beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/406" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using more than four beds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using five beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using six beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4063" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using seven beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using eight beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using nine beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4067" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4067</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using ten beds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4068" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using more than ten beds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/41" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using plural beds of the same adsorbent in series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/414" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/414</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using different types of adsorbents</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4141" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4141</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>within a single bed</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4143" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4143</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged as a mixture</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D259/4145" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>arranged in series</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D259/4146" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4146</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contiguous multilayered adsorbents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D259/4148" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4148</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple layers positioned apart from each other</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/416" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/416</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving cryogenic temperature treatment</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/418" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/418</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>deleted</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/45" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas separation or purification devices adapted for specific applications</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4508" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4508</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cleaning air in buildings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4516" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4516</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for fuel vapour recovery systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4525" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4525</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for storage and dispensing systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4533" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4533</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for medical purposes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4541" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4541</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for portable use, e.g. gas masks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/455" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/455</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for transportable use </text><reference><text>portable devices <class-ref scheme="cpc">B01D2259/4541</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4558" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4558</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for being employed as mobile cleaners for ambient air, i.e. the earth&apos;s atmosphere</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4566" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4566</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for use in transportation means</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/4575" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4575</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in aeroplanes or space ships</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4583" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/4583</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for removing chemical, biological and nuclear warfare agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/4591" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D2259/4591</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>Construction elements containing cleaning material, e.g. catalysts</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/65" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Employing advanced heat integration, e.g. Pinch technology</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/652" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/652</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using side coolers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/655" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/655</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using heat storage materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D259/657" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/657</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using latent heat, e.g. with phase change materials</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D259/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Employing electric, magnetic, electromagnetic or wave energy, or particle radiation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/802" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/802</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Visible light</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/804" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/804</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>UV light</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/806" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/806</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Microwaves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/808" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/808</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Laser</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/81" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/81</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>X-rays</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/812" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/812</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/814" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/814</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic fields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/816" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/816</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sonic or ultrasonic vibration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D259/818" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2259/818</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Employing electrical discharges or the generation of a plasma</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D265/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Casings, housings or mounting for filters specially adapted for separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D265/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D2265/02</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>Non-permanent measures for connecting different parts of the filter</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anti-rotational means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bayonet connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>making use of magnetic forces</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/024" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mounting aids</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D265/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>making use of ramps or cams</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D265/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with means for avoiding false mounting</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D2265/027</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Quick closing means for, e.g. filter heads, caps, maintenance openings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Snap, latch or clip connecting means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/029" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special screwing connections, threaded sections</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D265/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Permanent measures for connecting different parts of the filter, e.g. welding, glueing or moulding</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D265/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special adapters for the connection of filters or parts of filters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D265/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2265/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of supporting structures for filtering material, e.g. cores</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D267/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2267/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple filter elements specially adapted for separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D267/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2267/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Same type of filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D267/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2267/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Different types of filters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D267/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2267/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vertical arrangement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D267/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2267/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Horizontal arrangement</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D271/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2271/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sealings for filters specially adapted for separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D271/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2271/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gaskets, sealings</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D271/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2271/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Axial sealings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D271/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2271/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making of sealings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D271/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2271/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Radial sealings</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D273/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Operation of filters specially adapted for separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Allowing a continuous bypass of at least part of the flow, e.g. of secondary air, vents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Influencing the filter cake during filtration using filter aids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters which are moved between two or more positions, e.g. by turning, pushing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for selecting a filter element of a group of filters for a special purpose other than cleaning a filter</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Testing of filters, filter elements, sealings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>High temperature filtration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making use of microwaves, e.g. for measurements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making use of acoustic waves, e.g. for measurements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making use of optical waves, e.g. for measurements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Making use of vacuum or underpressure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D273/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2273/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D275/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D275/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multiple layers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/105" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wound layers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D275/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shape of filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/201" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/201</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Conical shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/202" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Disc-shaped filter elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/203" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special shapes of loose filter materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rectangular shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special forms, e.g. adapted to a certain housing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/207" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Triangular shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oval shape</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D275/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porosity of filtering material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/302" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Means for changing the porosity of a filter element, e.g. adjustment of a slit width, compression of a foam material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/305" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porosity decreasing in flow direction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/307" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porosity increasing in flow direction</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D275/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Porous blocks</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/403" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/403</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flexible blocks</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D275/406" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2275/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rigid blocks</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D275/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>B01D2275/50</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Stabilised filter material, stabilised by, e.g. structuring, calendering</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D277/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2277/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters specially adapted for separating dispersed particles from gases or vapours characterised by the position of the filter in relation to the gas stream</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D277/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2277/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D277/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2277/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inclined, i.e. forming an angle of between 0&#176; and 90&#176;</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D277/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2277/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transverse, i.e. forming an angle of 90&#176;</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D279/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for air bags, e.g. inflators therefor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for collecting heterogeneous particles separately</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for treatment of exhaust gases from IC Engines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/35" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for venting arrangements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cleaning of environmental air, e.g. by filters installed on vehicles or on streets</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/45" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for electronic devices, e.g. computers, hard-discs, mobile phones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>B01D2279/50</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>for air conditioning </text><reference><text>air-conditioning systems comprising filters <class-ref scheme="cpc">F24F8/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D279/51" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in clean rooms, e.g. production facilities for electronic devices, laboratories</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/55" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cleaning appliances, e.g. suction cleaners </text><reference><text>suction cleaners comprising filters <class-ref scheme="cpc">A47L9/10</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for the intake of internal combustion engines or turbines </text><reference><text>intake systems for vehicles comprising filters <class-ref scheme="cpc">F02M35/024</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D279/65" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2279/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for the sterilisation of air </text><reference><text>disinfection, sterilisation or deodorization of air <class-ref scheme="cpc">A61L9/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D311/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to membrane separation process operations and control</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this group, C-sets are used for classification. The detailed information about the C-Sets construction and the associated syntax rules are found in the definitions of <class-ref scheme="cpc">B01D</class-ref>.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific process operations before starting the membrane separation process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific process operations in the feed stream</text></title-part><title-part><text>Feed pretreatment</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific process operations in the permeate stream</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="true" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific process operations in the concentrate stream</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temperature control</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/103" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/103</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heating</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2311/103</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2311/1031</class-ref> and <class-ref scheme="cpc">B01D2311/1032</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/103</class-ref>, <class-ref scheme="cpc">B01D2311/1031</class-ref> and <class-ref scheme="cpc">B01D2311/1032</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/1031" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/1031</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Heat integration, heat recovery or reuse within an apparatus</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/1031</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/103</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/103</class-ref> and <class-ref scheme="cpc">B01D2311/1031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/1032" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/1032</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Heating or reheating between serial separation steps</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/1032</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/103</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/103</class-ref> and <class-ref scheme="cpc">B01D2311/1032</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cooling</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2311/106</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2311/1061</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/106</class-ref> and <class-ref scheme="cpc">B01D2311/1061</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/1061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/1061</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cooling between serial separation steps</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/1061</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/106</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/106</class-ref> and <class-ref scheme="cpc">B01D2311/1061</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition of chemical agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of sweep gas</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pressure control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/16</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Flow or flux control</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/165" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cross-flow velocity control</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pH control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Power consumption</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by a specific duration or time</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Quality control</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical conductivity control</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/246" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Concentration control</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/25" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/25</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Recirculation, recycling or bypass, e.g. recirculation of concentrate into the feed</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2311/25</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2311/251</class-ref>, <class-ref scheme="cpc">B01D2311/2512</class-ref>, <class-ref scheme="cpc">B01D2311/2513</class-ref>, <class-ref scheme="cpc">B01D2311/252</class-ref>, <class-ref scheme="cpc">B01D2311/2521</class-ref>, <class-ref scheme="cpc">B01D2311/2523</class-ref>, <class-ref scheme="cpc">B01D2311/253</class-ref>, <class-ref scheme="cpc">B01D2311/2531</class-ref> and <class-ref scheme="cpc">B01D2311/2532</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/251" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/251</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Recirculation of permeate</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2311/251</class-ref> - <class-ref scheme="cpc">B01D2311/2513</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/25</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2512" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2512</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to feed side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2513" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2513</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to concentrate side</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/252" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/252</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Recirculation of concentrate</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2311/252</class-ref> - <class-ref scheme="cpc">B01D2311/2523</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/25</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2521" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2521</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to permeate side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2523" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2523</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to feed side</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/253" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/253</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Bypassing of feed</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2311/253</class-ref> - <class-ref scheme="cpc">B01D2311/2532</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/25</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2531" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2531</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to permeate side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2532" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2532</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>to concentrate side</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D311/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/26</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Further operations combined with membrane separation processes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2311/26</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2311/2643</class-ref>, <class-ref scheme="cpc">B01D2311/2674</class-ref>, <class-ref scheme="cpc">B01D2311/2697</class-ref>, <class-ref scheme="cpc">B01D2311/2698</class-ref> and <class-ref scheme="cpc">B01D2311/2699</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2603" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2603</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Application of an electric field, different from the potential difference across the membrane</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2607" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2607</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Application of a magnetic field</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2611" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2611</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Irradiation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2615" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2615</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Application of high-frequency electromagnetic fields or microwave irradiation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2619" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2619</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>UV-irradiation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2623" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2623</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ion-Exchange</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2626" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2626</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Absorption or adsorption</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/263" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical reaction</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2634" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2634</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxidation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2638" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2638</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reduction</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2642" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2642</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aggregation, sedimentation, flocculation, precipitation or coagulation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2643" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2643</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Crystallisation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/2643</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/26</class-ref> and <class-ref scheme="cpc">B01D2311/2643</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2646" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2646</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Decantation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2649" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2649</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filtration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2653" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2653</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Degassing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2657" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2657</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Deaeration</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2661" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2661</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition of gas</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D311/2665" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2665</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aeration other than for cleaning purposes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2669" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2669</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Distillation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2673" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2673</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Evaporation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2674" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2674</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Condensation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/2674</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/26</class-ref> and <class-ref scheme="cpc">B01D2311/2674</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2676" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2676</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Centrifugal separation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/268" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water softening</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2684" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2684</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrochemical processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2688" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2688</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biological processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2692" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2692</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sterilization</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2696" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2311/2696</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalytic reactions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2697" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2697</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Chromatography</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/2697</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/26</class-ref> and <class-ref scheme="cpc">B01D2311/2697</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2698" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2698</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Compression</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/2698</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/26</class-ref> and <class-ref scheme="cpc">B01D2311/2698</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D311/2699" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2311/2699</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Drying</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2311/2699</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2311/26</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2311/26</class-ref> and <class-ref scheme="cpc">B01D2311/2699</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D313/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to membrane modules or apparatus</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2313/60</class-ref>, <class-ref scheme="cpc">B01D2313/62</class-ref>, <class-ref scheme="cpc">B01D2313/64</class-ref>, <class-ref scheme="cpc">B01D2313/66</class-ref>, <class-ref scheme="cpc">B01D2313/68</class-ref>, <class-ref scheme="cpc">B01D2313/70</class-ref>, <class-ref scheme="cpc">B01D2313/701</class-ref> and <class-ref scheme="cpc">B01D2313/702</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific tightening or locking mechanisms</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific membrane holders</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific sealing means</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/04</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2313/041</class-ref> and <class-ref scheme="cpc">B01D2313/042</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/04</class-ref>, <class-ref scheme="cpc">B01D2313/041</class-ref> and <class-ref scheme="cpc">B01D2313/042</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/041</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Gaskets or O-rings</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/041</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/04</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/04</class-ref> and <class-ref scheme="cpc">B01D2313/041</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/042" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/042</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Adhesives or glues</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/042</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/04</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/04</class-ref> and <class-ref scheme="cpc">B01D2313/042</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>External membrane module supporting or fixing means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flow guidance means within the module or the apparatus</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bypass routes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/086" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Meandering flow path over the membrane</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific supply elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/105" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply manifolds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific discharge elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/125" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Discharge manifolds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific connectors</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/13</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2313/131</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/13</class-ref> and <class-ref scheme="cpc">B01D2313/131</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/131" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/131</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Quick connectors or quick-fit</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/131</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/13</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/13</class-ref> and <class-ref scheme="cpc">B01D2313/131</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific spacers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/143" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on the feed side</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/146" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on the permeate side</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific vents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific valves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/19" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific flow restrictors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific housing</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/20</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2313/201</class-ref>, <class-ref scheme="cpc">B01D2313/2011</class-ref>, <class-ref scheme="cpc">B01D2313/203</class-ref>, <class-ref scheme="cpc">B01D2313/2031</class-ref>, <class-ref scheme="cpc">B01D2313/205</class-ref>, <class-ref scheme="cpc">B01D2313/206</class-ref>, <class-ref scheme="cpc">B01D2313/2061</class-ref>, <class-ref scheme="cpc">B01D2313/2062</class-ref> and <class-ref scheme="cpc">B01D2313/208</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/201" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/201</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Closed housing, vessels or containers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2313/201</class-ref> and <class-ref scheme="cpc">B01D2313/2011</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/20</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/20</class-ref>, <class-ref scheme="cpc">B01D2313/201</class-ref> and <class-ref scheme="cpc">B01D2313/2011</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D313/2011" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/2011</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Pressure vessels</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/203" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/203</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Open housings</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2313/203</class-ref> and <class-ref scheme="cpc">B01D2313/2031</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/20</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/20</class-ref>, <class-ref scheme="cpc">B01D2313/203</class-ref> and <class-ref scheme="cpc">B01D2313/2031</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D313/2031" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/2031</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Frame or cage-like structures</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/205</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>characterised by the shape</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/205</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/20</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/20</class-ref> and <class-ref scheme="cpc">B01D2313/205</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/206" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/206</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>characterised by the material</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2313/206</class-ref> - <class-ref scheme="cpc">B01D2313/2062</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/20</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D313/2061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/2061</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Organic, e.g. polymeric material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D313/2062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/2062</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Inorganic material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/208</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Resilient or flexible housing walls, e.g. bags or foils</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/208</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/20</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/20</class-ref> and <class-ref scheme="cpc">B01D2313/208</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific headers, end caps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/22</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cooling or heating elements</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/22</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2313/221</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/22</class-ref> and <class-ref scheme="cpc">B01D2313/221</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/221" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/221</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Heat exchangers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/221</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/22</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/22</class-ref> and <class-ref scheme="cpc">B01D2313/221</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific membrane protectors, e.g. sleeves or screens</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific pressurizing or depressurizing means</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/246" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy recovery means</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific gas distributors or gas intakes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific concentration chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific dilution or de-ionizing chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Intermediate chambers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy carriers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/345" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrodes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Energy sources</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/36</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2313/367</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/36</class-ref> and <class-ref scheme="cpc">B01D2313/367</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/365" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical sources</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/367" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/367</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Renewable energy sources, e.g. wind or solar sources</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/367</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/36</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/36</class-ref> and <class-ref scheme="cpc">B01D2313/367</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adsorbents within the flow path</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts within the flow path</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cartridge types</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Supply, recovery or discharge mechanisms of washing members</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanisms for switching between regular separation operations and washing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/50</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific extra tanks</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/50</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2313/501</class-ref> and <class-ref scheme="cpc">B01D2313/502</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/50</class-ref>, <class-ref scheme="cpc">B01D2313/501</class-ref> and <class-ref scheme="cpc">B01D2313/502</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/501" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/501</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Permeate storage tanks</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/501</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/50</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/50</class-ref> and <class-ref scheme="cpc">B01D2313/501</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/502" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/502</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Concentrate storage tanks</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/502</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/50</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/50</class-ref> and <class-ref scheme="cpc">B01D2313/502</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2313/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Modularity of membrane module elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/56" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific mechanisms for loading the membrane in a module</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/56</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2313/57</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/56</class-ref> and <class-ref scheme="cpc">B01D2313/57</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/57" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/57</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Tools used for removal of membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/57</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/56</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/56</class-ref> and <class-ref scheme="cpc">B01D2313/57</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/58</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Parts of membrane modules specifically adapted for single use</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/60</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific sensors or sensor arrangements</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/60</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/90</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/00</class-ref>, <class-ref scheme="cpc">B01D2313/90</class-ref> and <class-ref scheme="cpc">B01D2313/60</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/62</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Displays</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/62</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/90</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/00</class-ref>, <class-ref scheme="cpc">B01D2313/90</class-ref> and <class-ref scheme="cpc">B01D2313/62</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/64</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Bar codes</text></title-part><title-part><text>Data storage means</text></title-part><title-part><text>RFID</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/64</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/64</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/66" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/66</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Biodegradability of parts of the module</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/66</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/66</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/68" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/68</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Biocompatibility of parts of the module</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/68</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/68</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/70</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Control means using a programmable logic controller [PLC] or a computer</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2313/70</class-ref> - <class-ref scheme="cpc">B01D2313/702</class-ref> are incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D2313/00</class-ref> and <class-ref scheme="cpc">B01D2313/90</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/701" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/701</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>comprising a software program or a logic diagram</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/702" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/702</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>comprising telecommunication features, e.g. modems or antennas</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D313/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/90</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Additional auxiliary systems integrated with the module or apparatus</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2313/90</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2313/60</class-ref>, <class-ref scheme="cpc">B01D2313/62</class-ref>, <class-ref scheme="cpc">B01D2313/70</class-ref>, <class-ref scheme="cpc">B01D2313/701</class-ref>, <class-ref scheme="cpc">B01D2313/702</class-ref>, <class-ref scheme="cpc">B01D2313/901</class-ref>, <class-ref scheme="cpc">B01D2313/902</class-ref> and <class-ref scheme="cpc">B01D2313/903</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/901" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/901</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Integrated prefilter</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/901</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/90</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/90</class-ref> and <class-ref scheme="cpc">B01D2313/901</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/902" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/902</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Integrated cleaning device</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/902</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/90</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/90</class-ref> and <class-ref scheme="cpc">B01D2313/902</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D313/903" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2313/903</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Integrated control or detection device</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2313/903</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2313/90</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2313/90</class-ref> and <class-ref scheme="cpc">B01D2313/903</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D315/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2315/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to the membrane module operation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2315/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2315/17</class-ref>, <class-ref scheme="cpc">B01D2315/22</class-ref> and <class-ref scheme="cpc">B01D2315/24</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rotation or turning</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reciprocation, oscillation or vibration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Moving the membrane in one direction, e.g. displacement, translational movement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Submerged-type</text></title-part><title-part><text>Immersion type</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fully permeating type</text></title-part><title-part><text>Dead-end filtration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cross-flow filtration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Feed-and-bleed systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Batch-systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diafiltration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/17" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2315/17</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Depth filtration, asymmetric membranes arranged with wider pore size side towards feed</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2315/17</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2315/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2315/00</class-ref> and <class-ref scheme="cpc">B01D2315/17</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Time sequence of one or more process steps carried out periodically within one apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2315/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Operation control schemes defined by a periodically repeated sequence comprising filtration cycles combined with cleaning or gas supply, e.g. aeration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2315/22</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Membrane contactor</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2315/22</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2315/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2315/00</class-ref> and <class-ref scheme="cpc">B01D2315/22</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D315/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2315/24</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Counter-current operation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2315/24</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2315/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2315/00</class-ref> and <class-ref scheme="cpc">B01D2315/24</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D317/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2317/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Membrane module arrangements within a plant or an apparatus</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D317/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements in series</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D317/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reject series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D317/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Permeate series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D317/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Christmas tree arrangements</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D317/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements in parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D317/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2317/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of membrane modules of the same kind</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D317/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-01-01" status="published"><classification-symbol>B01D2317/08</classification-symbol><class-title date-revised="2017-01-01"><title-part><text>Use of membrane modules of different kinds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D319/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2319/00</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Membrane assemblies within one housing</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D319/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements in series</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D319/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reject series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D319/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Permeate series</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D319/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Christmas tree arrangements</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D319/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements in parallel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D319/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2319/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of membranes of different materials or properties within one module</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D321/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2321/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2321/281</class-ref>, <class-ref scheme="cpc">B01D2321/282</class-ref>, <class-ref scheme="cpc">B01D2321/35</class-ref>, <class-ref scheme="cpc">B01D2321/42</class-ref> and <class-ref scheme="cpc">B01D2321/44</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Forward flushing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Backflushing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of osmotic pressure, e.g. direct osmosis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of hot water or water vapor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of feed</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of permeate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of concentrate</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of chemical agents</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2321/16</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2321/167</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/16</class-ref> and <class-ref scheme="cpc">B01D2321/167</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/162" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of acids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/164" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of bases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/166" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of enzymatic agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/167" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/167</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of scale inhibitors</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/167</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/16</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/16</class-ref> and <class-ref scheme="cpc">B01D2321/167</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/168" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of other chemical agents</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of gases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/185" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aeration</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>By influencing the flow</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/2008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>statically</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/2016" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Static mixers</text></title-part><title-part><text>Turbulence generators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/2025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tangential inlet</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/2033" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>dynamically</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/2041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixers</text></title-part><title-part><text>Agitators</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/205" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Integrated pumps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/2058" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vibration of the membrane, e.g. with an actuator</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/2066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulsated flow</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D321/2075" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ultrasonic treatment</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/2083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/2083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>By reversing the flow</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical effects</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/223" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/223</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polarity reversal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/226" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/226</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interruption of electric currents</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic effects</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>By suction</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/28</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>by soaking or impregnating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/281" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/281</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>by applying a special coating to the membrane or to any module element</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/281</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/00</class-ref> and <class-ref scheme="cpc">B01D2321/281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/282" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/282</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>by spray flush or jet flush</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/282</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/00</class-ref> and <class-ref scheme="cpc">B01D2321/282</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical cleaning, e.g. with brushes or scrapers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>By heating or pyrolysis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by radiation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/343" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>By UV radiation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D321/346" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/346</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>by gamma radiation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/35" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/35</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>with acoustic waves</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/35</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/00</class-ref> and <class-ref scheme="cpc">B01D2321/35</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2321/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Automatic control of cleaning processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/42</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Chemical regeneration</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/42</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/00</class-ref> and <class-ref scheme="cpc">B01D2321/42</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D321/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2321/44</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific cleaning apparatus</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2321/44</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2321/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2321/00</class-ref> and <class-ref scheme="cpc">B01D2321/44</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D323/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to membrane preparation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2323/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2323/15</class-ref>, <class-ref scheme="cpc">B01D2323/216</class-ref>, <class-ref scheme="cpc">B01D2323/217</class-ref>, <class-ref scheme="cpc">B01D2323/218</class-ref>, <class-ref scheme="cpc">B01D2323/2181</class-ref>, <class-ref scheme="cpc">B01D2323/21811</class-ref>, <class-ref scheme="cpc">B01D2323/21813</class-ref>, <class-ref scheme="cpc">B01D2323/21815</class-ref>, <class-ref scheme="cpc">B01D2323/21817</class-ref>, <class-ref scheme="cpc">B01D2323/21819</class-ref>, <class-ref scheme="cpc">B01D2323/2182</class-ref>, <class-ref scheme="cpc">B01D2323/21821</class-ref>, <class-ref scheme="cpc">B01D2323/21822</class-ref>, <class-ref scheme="cpc">B01D2323/21823</class-ref>, <class-ref scheme="cpc">B01D2323/21824</class-ref>, <class-ref scheme="cpc">B01D2323/21825</class-ref>, <class-ref scheme="cpc">B01D2323/21826</class-ref>, <class-ref scheme="cpc">B01D2323/21827</class-ref>, <class-ref scheme="cpc">B01D2323/21828</class-ref>, <class-ref scheme="cpc">B01D2323/21829</class-ref>, <class-ref scheme="cpc">B01D2323/2183</class-ref>, <class-ref scheme="cpc">B01D2323/21831</class-ref>, <class-ref scheme="cpc">B01D2323/21832</class-ref>, <class-ref scheme="cpc">B01D2323/21833</class-ref>, <class-ref scheme="cpc">B01D2323/21834</class-ref>, <class-ref scheme="cpc">B01D2323/21835</class-ref>, <class-ref scheme="cpc">B01D2323/21836</class-ref>, <class-ref scheme="cpc">B01D2323/21837</class-ref>, <class-ref scheme="cpc">B01D2323/21838</class-ref>, <class-ref scheme="cpc">B01D2323/21839</class-ref>, <class-ref scheme="cpc">B01D2323/2185</class-ref>, <class-ref scheme="cpc">B01D2323/2187</class-ref>, <class-ref scheme="cpc">B01D2323/2189</class-ref>, <class-ref scheme="cpc">B01D2323/219</class-ref>, <class-ref scheme="cpc">B01D2323/226</class-ref>, <class-ref scheme="cpc">B01D2323/52</class-ref>, <class-ref scheme="cpc">B01D2323/54</class-ref>, <class-ref scheme="cpc">B01D2323/56</class-ref>, <class-ref scheme="cpc">B01D2323/58</class-ref>, <class-ref scheme="cpc">B01D2323/60</class-ref>, <class-ref scheme="cpc">B01D2323/62</class-ref>, <class-ref scheme="cpc">B01D2323/64</class-ref> and <class-ref scheme="cpc">B01D2323/66</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophilization</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophobization</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific viscosities of materials involved</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific temperatures applied</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2323/08</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2323/081</class-ref> and <class-ref scheme="cpc">B01D2323/082</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/08</class-ref>, <class-ref scheme="cpc">B01D2323/081</class-ref> and <class-ref scheme="cpc">B01D2323/082</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/081" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/081</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Heating</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/081</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/08</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/08</class-ref> and <class-ref scheme="cpc">B01D2323/081</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/082" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/082</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cooling</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/082</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/08</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/08</class-ref> and <class-ref scheme="cpc">B01D2323/082</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific pressure applied</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific ratios of components used</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/14</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Ageing features</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/15</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of additives</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/15</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/15</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/16</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Swelling agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/18</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Pore-control agents or pore formers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/20</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Plasticizers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Fillers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/216</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Surfactants</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/216</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/216</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/217" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/217</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Emulgator or emulsion/foam forming agents</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/217</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/217</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/218" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/218</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Additive materials</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/218</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/218</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D323/2181" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2181</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Inorganic additives</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2181</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2181</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21811" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21811</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Metals</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21811</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21811</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21813" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21813</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Metal oxides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21813</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21813</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21815" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21815</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Acids</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21815</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21815</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21817" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21817</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Salts</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21817</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21817</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21819" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21819</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Carbon, carbon nanotubes, graphene or derivatives thereof</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21819</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21819</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D323/2182" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2182</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Organic additives</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2182</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2182</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21821" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21821</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Alkanes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21821</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21821</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21822" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21822</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Alkenes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21822</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21822</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21823" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21823</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Alcohols or hydroxydes, e.g. ethanol, glycerol or phenol</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21823</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21823</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21824" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21824</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Aldehydes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21824</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21824</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21825" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21825</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Ketones</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21825</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21825</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21826" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21826</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Acids, e.g. acetic acid</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21826</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21826</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21827" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21827</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Salts</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21827</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21827</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/21828" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21828</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Ammonium Salts</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21828</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21828</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21829" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21829</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Acrylates</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21829</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21829</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/2183" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2183</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Ethers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2183</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2183</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/21831" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21831</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cyclic ethers comprising heterocyclic O-Ring</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21831</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21831</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/21832" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21832</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cyclic ethers comprising aromatic heterocyclic O-Ring</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21832</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21832</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21833" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21833</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Esters</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21833</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21833</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21834" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21834</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Amines</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21834</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21834</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/21835" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21835</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cyclic amines comprising heterocyclic N-Ring, e.g. pyridine</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21835</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21835</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/21836" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21836</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cyclic amines comprising aromatic heterocyclic N-Ring</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21836</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21836</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21837" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21837</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Amides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21837</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21837</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21838" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21838</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Imides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21838</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21838</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="B01D323/21839" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/21839</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Polymeric additives</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/21839</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/21839</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/2185" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2185</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Polyethylene glycol</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2185</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2185</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="B01D323/2187" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2187</classification-symbol><class-title date-revised="2022-08-01"> <title-part><text>Polyvinylpyrolidone</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2187</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2187</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D323/2189" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/2189</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Metal-organic compounds or complexes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/2189</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/2189</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/219" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/219</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific solvent system</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/219</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/219</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/22</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific non-solvents or non-solvent system</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/225" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of supercritical fluids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/226" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/226</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of ionic liquids</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/226</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/226</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of template or surface directing agents [SDA]</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spraying processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pore treatments</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reducing the pores</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/286" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Closing of pores, e.g. for membrane sealing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cross-linking</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of chain transfer agents or inhibitors</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of radiation</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/345" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>UV-treatment</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/35" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of magnetic or electrical fields</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Introduction of specific chemical groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Graft polymerization</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D323/385" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/385</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>involving radiation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/39" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/39</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrospinning</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in-situ membrane formation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details of membrane preparation apparatus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Relaxation steps</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impregnation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Influencing the pH</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2323/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Control of the membrane preparation process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/52</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of a mould</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/52</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/52</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/54</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Recycling of scrap material from production process or membrane fragments</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/54</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/54</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/56" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/56</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of ultrasound</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/56</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/56</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/58</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Fusion</text></title-part><title-part><text>Welding</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/58</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/58</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/60</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Co-casting</text></title-part><title-part><text>Co-extrusion</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/60</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/60</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/62" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/62</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Cutting the membrane</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/62</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/62</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/64" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/64</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Use of a temporary support</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/64</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/64</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D323/66" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2323/66</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Avoiding penetration into pores of support of further porous layer with fluid or counter-pressure</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2323/66</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2323/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2323/00</class-ref> and <class-ref scheme="cpc">B01D2323/66</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B01D325/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details relating to properties of membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2325/39</class-ref>, <class-ref scheme="cpc">B01D2325/43</class-ref>, <class-ref scheme="cpc">B01D2325/50</class-ref>, <class-ref scheme="cpc">B01D2325/52</class-ref>, <class-ref scheme="cpc">B01D2325/54</class-ref>, <class-ref scheme="cpc">B01D2325/56</class-ref> and <class-ref scheme="cpc">B01D2325/58</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/02</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Details relating to pores or porosity of the membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/02</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2325/0281</class-ref>, <class-ref scheme="cpc">B01D2325/0282</class-ref>, <class-ref scheme="cpc">B01D2325/0283</class-ref>, <class-ref scheme="cpc">B01D2325/02831</class-ref>, <class-ref scheme="cpc">B01D2325/02832</class-ref>, <class-ref scheme="cpc">B01D2325/02833</class-ref> and <class-ref scheme="cpc">B01D2325/02834</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/021" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/021</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Pore shapes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/021</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2325/0212</class-ref> and <class-ref scheme="cpc">B01D2325/0214</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/021</class-ref>, <class-ref scheme="cpc">B01D2325/0212</class-ref> and <class-ref scheme="cpc">B01D2325/0214</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/0212" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0212</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Symmetric or isoporous membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0212</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/021</class-ref> and <class-ref scheme="cpc">B01D2325/0212</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/0214" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0214</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Tapered pores</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0214</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/021</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/021</class-ref> and <class-ref scheme="cpc">B01D2325/0214</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asymmetric membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/022</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">B01D2325/0231</class-ref>, <class-ref scheme="cpc">B01D2325/0232</class-ref> and <class-ref scheme="cpc">B01D2325/0233</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dense layer within the membrane</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/0231" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0231</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Dense layers being placed on the outer side of the cross-section</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0231</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/022</class-ref> and <class-ref scheme="cpc">B01D2325/0231</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/0232" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0232</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Dense layer on both outer sides of the membrane</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0232</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/022</class-ref> and <class-ref scheme="cpc">B01D2325/0232</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/0233" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0233</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>with clearly distinguishable layers</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0233</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/022</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/022</class-ref> and <class-ref scheme="cpc">B01D2325/0233</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Finger pores</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sponge structure</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nonporous membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/028" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Microfluidic pore structures</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/0281" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0281</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Fibril, or microfibril structures</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0281</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/02</class-ref> and <class-ref scheme="cpc">B01D2325/0281</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/0282" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0282</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Dynamic pores-stimuli responsive membranes, e.g. thermoresponsive or pH-responsive</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/0282</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/02</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/02</class-ref> and <class-ref scheme="cpc">B01D2325/0282</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/0283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/0283</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Pore size</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">B01D2325/0283</class-ref> - <class-ref scheme="cpc">B01D2325/02834</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/02</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/02831" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/02831</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>less than 1 nm</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/02832" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/02832</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>1-10 nm</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/02833" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/02833</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>more than 10 and up to 100 nm</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B01D325/02834" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/02834</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>more than 0.1 and up to 1 &#181;m</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Characteristic thickness</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface irregularities</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Patterned membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts being present on the surface of the membrane or in the pores</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Adsorbents being present on the surface of the membranes or in the pores</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Membrane materials having negatively charged functional groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Membrane materials having positively charged functional groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Membrane materials having mixed charged functional groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific permeability or cut-off range</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thermal or heat-resistance properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical properties, e.g. strength</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrical properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Degradation or stability over time</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical resistance</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melting point or glass-transition temperatures</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/34</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Molecular weight or degree of polymerisation</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/34</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2325/341</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/34</class-ref> and <class-ref scheme="cpc">B01D2325/341</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/341" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/341</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>At least two polymers of same structure but different molecular weight</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/341</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/34</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/34</class-ref> and <class-ref scheme="cpc">B01D2325/341</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophilic membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/38" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophobic membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/39" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/39</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Amphiphilic membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/39</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/39</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre reinforced membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ion-exchange membranes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/43" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/43</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific optical properties</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/43</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/44</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref>, <class-ref scheme="cpc">B01D2325/44</class-ref> and <class-ref scheme="cpc">B01D2325/43</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B01D325/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/44</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Specific light transmission</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">B01D2325/44</class-ref> is impacted by reclassification into group <class-ref scheme="cpc">B01D2325/43</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/44</class-ref> and <class-ref scheme="cpc">B01D2325/43</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Magnetic properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B01D2325/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antimicrobial properties</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/50</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Membrane in gel form</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/50</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/50</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/52</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Crystallinity</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/52</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/52</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/54</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Interpenetration relationship between layers in supported or composite membranes</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/54</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>.<br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/54</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/56" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/56</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Biodegradability of membrane</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/56</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/56</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B01D325/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-08-01" status="published"><classification-symbol>B01D2325/58</classification-symbol><class-title date-revised="2022-08-01"><title-part><text>Biocompatibility of membrane</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">B01D2325/58</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">B01D2325/00</class-ref>. <br/>Groups <class-ref scheme="cpc">B01D2325/00</class-ref> and <class-ref scheme="cpc">B01D2325/58</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item></classification-item></class-scheme>