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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-C09C.xml

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<?xml version="1.0" encoding="UTF-8"?>
<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="C09C" definition-exists="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES&#160; </text><reference><text>treatment of materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone&#160;<class-ref scheme="cpc">C04B14/00</class-ref>,&#160;<class-ref scheme="cpc">C04B18/00</class-ref>,&#160;<class-ref scheme="cpc">C04B20/00</class-ref></text></reference></title-part><title-part><text>PREPARATION OF CARBON BLACK&#160; </text><CPC-specific-text><text>; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this subclass, in the absence of an indication to the contrary, a compound is classified in the last appropriate place</note-paragraph><note-paragraph>Treatment by polymerisation onto particle is classified in <class-ref scheme="cpc">C08F292/00</class-ref>. Only treatment by already polymerised agents is classified in <class-ref scheme="cpc">C09C</class-ref></note-paragraph><note-paragraph>Whenever in groups <class-ref scheme="cpc">C09C1/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/66</class-ref> the materials consist of a particulate core bearing a coating or any other deposit, classification is done only according to the composition of the core, unless otherwise stated, e.g. <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</class-ref></note-paragraph><note-paragraph>Preparations of those materials which are no single chemical compounds comprise those of many ceramic pigments (<class-ref scheme="cpc">C09C1/0009</class-ref>), consisting of solid solutions or polycristalline structures, and those defined as composite materials (<class-ref scheme="cpc">C09C1/0081</class-ref>)</note-paragraph><note-paragraph>Preparation and treatment steps are not always easy to distinguish from each other, e.g. preparation in the presence of treating agents (by precipitation or calcination), precise reacting conditions, affecting pigmentary effects. It is common practice to include these complex topics in <class-ref scheme="cpc">C09C1/00</class-ref> while avoiding redundancy</note-paragraph><note-paragraph>When classifying in this subclass, the indexing codes of subclass <class-ref scheme="cpc">C01P</class-ref> are used to identify structural or physical aspects of solid inorganic compounds</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">C09C1/68</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C09K3/14</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="C09C1/00" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09C1/00" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C1/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Treatment of specific inorganic materials other than fibrous fillers </text><reference><text>tenebrescent materials <class-ref scheme="cpc">C09K9/00</class-ref>; luminescent materials <class-ref scheme="cpc">C09K11/00</class-ref></text></reference></title-part><title-part><text>Preparation of carbon black</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/0003" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds of molybdenum </text><reference><text><class-ref scheme="cpc">C09C1/0015</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="C09C1/0006" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing bismuth and vanadium </text><reference><text><class-ref scheme="cpc">C09C1/0015</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="C09C1/0009" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pigments for ceramics </text><reference><text><class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/0012" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing zirconium and silicon</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="C09C1/0015" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C1/0015</classification-symbol><class-title date-revised="2023-02-01"><title-part><CPC-specific-text><text>Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><CPC-specific-note>The optical properties of the interference pigments are depending on the order of the different layers applied on the substrate in view of their refractive indices; A refractive index &lt; or = 1.8 is considered low, a refractive index &gt;1.8 is considered high; A dye is always an organic, coloured material. An aluminium lake compound would for classification purposes also fall under this definition, as well as any coloured metal chelate or metal complex with organic ligands; An interference pigment can e.g. have a flaky, spherical or ellipsoidal core; A pigment comprising a core consisting of a metal is only considered as an interference pigment if it shows properties typical for interference pigments</CPC-specific-note></note-paragraph><note-paragraph>In groups <class-ref scheme="cpc">C09C1/0015</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/0075</class-ref> it is desirable to add indexing codes relating to the compositional and structural details chosen from groups <class-ref scheme="cpc">C09C2200/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C2220/20</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09C1/0018" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>uncoated and unlayered plate-like 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="C09C1/0021" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a core coated with only one layer having a high or low refractive index</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="C09C1/0024" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a stack of coating layers with alternating high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/0027" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>One layer consisting of at least one sub-stoichiometric inorganic compound</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="C09C1/003" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one light-absorbing layer</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/0033" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0033</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a metal or an alloy</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="C09C1/0036" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of at least one dye</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="C09C1/0039" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0039</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of at least one coloured inorganic material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09C1/0042" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sub-stoichiometric inorganic materials</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="C09C1/0045" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a carbonaceous material, e.g. carbon black, graphite, SWNT, MWNT incorporated within an inorganic material</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="C09C1/0048" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers</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="C09C1/0051" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a stack of coating layers with alternating low and high refractive indices, wherein the first coating layer on the core surface has the low refractive index</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/0054" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer consisting of at least one sub-stoichiometric inorganic compound</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="C09C1/0057" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one light-absorbing layer</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/006" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a metal or an alloy</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="C09C1/0063" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of at least one dye</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="C09C1/0066" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of at least one coloured inorganic material</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09C1/0069" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sub-stoichiometric inorganic materials</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="C09C1/0072" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a carbonaceous material, e.g. carbon black, graphite, SWNT, MWNT incorporated within an inorganic material</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="C09C1/0075" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising at least one optically active layer with at least one organic material layer, e.g. liquid crystal polymers</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="C09C1/0078" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pigments consisting of flaky, non-metallic substrates, characterised by a surface-region containing free metal</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="C09C1/0081" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09C1/0081</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>Composite particulate pigments or fillers, i.e. containing at least two solid phases, except those consisting of coated particles of one compound </text><reference><text><class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/0084" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing titanium dioxide</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/0087" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only containing titanium dioxide and silica or silicate</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="C09C1/009" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whose phases only contain calcium, magnesium and carbonate ions and may contain hydroxyl ions</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="C09C1/0093" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>whose phases only contain calcium ions, carbonate ions and silicate ions or silica</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="C09C1/0096" definition-exists="true" ipc-concordant="C09C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/0096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds of antimony </text><reference><text><class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/02" definition-exists="true" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of alkaline earth metals or magnesium </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0003</class-ref>, <class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</class-ref> take precedence; dolomitic solids <class-ref scheme="cpc">C09C1/009</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="C09C1/021" definition-exists="true" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calcium carbonates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/022" definition-exists="false" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with inorganic compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/024" definition-exists="false" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating</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="C09C1/025" definition-exists="true" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Calcium sulfates</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="C09C1/027" definition-exists="true" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Barium sulfates</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="C09C1/028" definition-exists="true" ipc-concordant="C09C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing only magnesium as metal</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="C09C1/04" definition-exists="true" ipc-concordant="C09C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of zinc </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0003</class-ref>, <class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/043" definition-exists="true" ipc-concordant="C09C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Zinc oxide</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="C09C1/046" definition-exists="true" ipc-concordant="C09C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing phosphorus</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="C09C1/06" definition-exists="true" ipc-concordant="C09C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lithopone</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09C1/08" definition-exists="true" ipc-concordant="C09C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Zinc chromate</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/10" definition-exists="true" ipc-concordant="C09C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of cadmium </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/12" definition-exists="true" ipc-concordant="C09C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09C1/12</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Cadmium sulfoselenide</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/14" definition-exists="true" ipc-concordant="C09C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of lead </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/16" definition-exists="true" ipc-concordant="C09C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>White lead</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09C1/18" definition-exists="true" ipc-concordant="C09C1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Red lead</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09C1/20" definition-exists="true" ipc-concordant="C09C1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lead chromate</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/22" definition-exists="true" ipc-concordant="C09C1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of iron </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/24" definition-exists="true" ipc-concordant="C09C1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides of iron</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/245" definition-exists="true" ipc-concordant="C09C1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of plate-like shape</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="C09C1/26" definition-exists="true" ipc-concordant="C09C1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Iron blues</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/28" definition-exists="true" ipc-concordant="C09C1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of silicon </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/30" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C1/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silicic acid</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Combinations of treatment steps, characterised by the sequence or the nature of two or more individual steps, are classified in <class-ref scheme="cpc">C09C1/309</class-ref>. </note-paragraph><note-paragraph>The individual steps are classified with symbols chosen from groups <class-ref scheme="cpc">C09C1/3009</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/3081</class-ref>.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/3009" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Physical treatment, e.g. grinding; treatment with ultrasonic vibrations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/3018" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding</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="C09C1/3027" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drying, calcination</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="C09C1/3036" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Agglomeration, granulation, pelleting</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="C09C1/3045" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with inorganic compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/3054" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>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="C09C1/3063" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with low-molecular organic compounds</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="C09C1/3072" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with macro-molecular organic compounds</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="C09C1/3081" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with organo-silicon compounds</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="C09C1/309" definition-exists="true" ipc-concordant="C09C1/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C1/309</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Combinations of treatments provided for in groups <class-ref scheme="cpc">C09C1/3009</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/3081</class-ref></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="C09C1/32" definition-exists="true" ipc-concordant="C09C1/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ultramarine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/34" definition-exists="true" ipc-concordant="C09C1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of chromium </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</class-ref>, <class-ref scheme="cpc">C09C1/08</class-ref>, <class-ref scheme="cpc">C09C1/20</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="C09C1/343" definition-exists="true" ipc-concordant="C09C1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing silicon or associated with silicon containing material, except when silicon only occurs in a thin coating of the 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="C09C1/346" definition-exists="true" ipc-concordant="C09C1/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/346</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chromium oxides</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="C09C1/36" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of titanium </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/3607" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C1/3607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Titanium dioxide</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Combinations of treatment steps, characterised by the sequence or the nature of two or more individual steps, are classified in <class-ref scheme="cpc">C09C1/3692</class-ref>. </note-paragraph><note-paragraph>The individual steps are classified with symbols chosen from groups <class-ref scheme="cpc">C09C1/3615</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/3684</class-ref>.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/3615" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Physical treatment, e.g. grinding, treatment with ultrasonic vibrations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/3623" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding</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="C09C1/363" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/363</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drying, calcination</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="C09C1/3638" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Agglomeration, granulation, pelleting</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="C09C1/3646" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Densifying, degassing, packaging</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="C09C1/3653" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3653</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with inorganic compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/3661" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>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="C09C1/3669" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3669</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with low-molecular organic compounds</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="C09C1/3676" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with macro-molecular organic compounds</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="C09C1/3684" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/3684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with organo-silicon compounds</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="C09C1/3692" definition-exists="true" ipc-concordant="C09C1/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C1/3692</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Combinations of treatments provided for in groups <class-ref scheme="cpc">C09C1/3615</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/3684</class-ref></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="C09C1/38" definition-exists="true" ipc-concordant="C09C1/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of mercury </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</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="C09C1/40" definition-exists="true" ipc-concordant="C09C1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds of aluminium </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0009</class-ref>, <class-ref scheme="cpc">C09C1/0015</class-ref>, <class-ref scheme="cpc">C09C1/0078</class-ref>, <class-ref scheme="cpc">C09C1/32</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="C09C1/402" definition-exists="true" ipc-concordant="C09C1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Satin white, modifications thereof, e.g. carbonated or silicated; Calcium sulfoaluminates; Mixtures thereof, e.g. with calcium carbonate or kaolin</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="C09C1/405" definition-exists="true" ipc-concordant="C09C1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing combined silica, e.g. mica</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="C09C1/407" definition-exists="true" ipc-concordant="C09C1/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminium oxides or hydroxides</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="C09C1/42" definition-exists="true" ipc-concordant="C09C1/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C1/42</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Clays</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C1/44" definition-exists="true" ipc-concordant="C09C1/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09C1/46" definition-exists="true" ipc-concordant="C09C1/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C1/46</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Graphite </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0015</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="C09C1/48" definition-exists="true" ipc-concordant="C09C1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon black</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/482" definition-exists="true" ipc-concordant="C09C1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/482</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation from used rubber products, e.g. tyres </text><reference><text>recovery of plastics or other constituents of waste material containing plastics <class-ref scheme="cpc">B29B17/00</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="C09C1/485" definition-exists="true" ipc-concordant="C09C1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation involving the use of a plasma or of an electric arc</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="C09C1/487" definition-exists="true" ipc-concordant="C09C1/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C1/487</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Separation; Recovery </text><reference><text>quenching <class-ref scheme="cpc">C09C1/50</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C1/54</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="C09C1/50" definition-exists="true" ipc-concordant="C09C1/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09C1/50</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Furnace black </text><CPC-specific-text><text>; Preparation thereof </text><reference><text>separation or recovery <class-ref scheme="cpc">C09C1/487</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="C09C1/52" definition-exists="true" ipc-concordant="C09C1/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09C1/52</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Channel black </text><CPC-specific-text><text>; Preparation thereof </text><reference><text>separation or recovery <class-ref scheme="cpc">C09C1/487</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="C09C1/54" definition-exists="true" ipc-concordant="C09C1/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09C1/54</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Acetylene black</text></title-part><title-part><text>thermal black </text><CPC-specific-text><text>; Preparation thereof </text><reference><text>separation or recovery <class-ref scheme="cpc">C09C1/487</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="C09C1/56" definition-exists="true" ipc-concordant="C09C1/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09C1/56</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Treatment of carbon black </text><CPC-specific-text><text>; Purification</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/565" definition-exists="true" ipc-concordant="C09C1/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/565</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising an oxidative treatment with oxygen, ozone or oxygenated compounds, e.g. when such treatment occurs in a region of the furnace next to the carbon black generating reaction zone</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="C09C1/58" definition-exists="true" ipc-concordant="C09C1/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agglomerating, pelleting, or the like by wet methods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/60" definition-exists="true" ipc-concordant="C09C1/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agglomerating, pelleting, or the like by dry methods</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="C09C1/62" definition-exists="true" ipc-concordant="C09C1/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C1/62</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Metallic pigments or fillers </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C1/0015</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="C09C1/622" definition-exists="true" ipc-concordant="C09C1/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/622</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Comminution, shaping or abrasion of initially uncoated particles, possibly in presence of grinding aids, abrasives or chemical treating or coating agents; Particle solidification from melted or vaporised metal; Classification</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/625" definition-exists="true" ipc-concordant="C09C1/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the particles consisting of zinc or a zinc alloy</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="C09C1/627" definition-exists="true" ipc-concordant="C09C1/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/627</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Copper</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="C09C1/64" definition-exists="true" ipc-concordant="C09C1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aluminium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09C1/642" definition-exists="true" ipc-concordant="C09C1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>treated with inorganic compounds</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="C09C1/644" definition-exists="true" ipc-concordant="C09C1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>treated with organic compounds, e.g. polymers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09C1/646" definition-exists="true" ipc-concordant="C09C1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>concomitant with mechanical comminution, shaping or abrasion of the particles</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="C09C1/648" definition-exists="true" ipc-concordant="C09C1/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/648</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>treated with inorganic <u>and</u> organic, e.g. polymeric, compounds</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="C09C1/66" definition-exists="true" ipc-concordant="C09C1/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C1/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Copper alloys, e.g. bronze</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09C3/00" definition-exists="true" ipc-concordant="C09C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09C3/00</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C3/003" definition-exists="true" ipc-concordant="C09C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/003</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 breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C3/006" definition-exists="true" ipc-concordant="C09C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C3/006</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Combinations of treatments provided for in groups <class-ref scheme="cpc">C09C3/04</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C3/12</class-ref></text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>When classifying in this group, it is desirable to classify the individual treatment steps with symbols chosen from groups <class-ref scheme="cpc">C09C3/04</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C3/12</class-ref>.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09C3/04" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physical treatment, e.g. grinding, treatment with ultrasonic vibrations </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C3/006</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="C09C3/041" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Grinding</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="C09C3/043" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drying, calcination</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="C09C3/045" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Agglomeration, granulation, pelleting</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="C09C3/046" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Densifying, degassing, packaging</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="C09C3/048" definition-exists="true" ipc-concordant="C09C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment with a plasma</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="C09C3/06" definition-exists="true" ipc-concordant="C09C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treatment with inorganic compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C3/006</class-ref>, <class-ref scheme="cpc">C09C3/048</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="C09C3/063" definition-exists="true" ipc-concordant="C09C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating</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="C09C3/066" definition-exists="true" ipc-concordant="C09C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment or coating resulting in a free metal containing surface-region </text><reference><text><class-ref scheme="cpc">C09C1/0078</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="C09C3/08" definition-exists="true" ipc-concordant="C09C3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treatment with low-molecular-weight </text><CPC-specific-text><text>non-polymer</text></CPC-specific-text><text> organic compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C3/006</class-ref>, <class-ref scheme="cpc">C09C3/048</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="C09C3/10" definition-exists="true" ipc-concordant="C09C3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treatment with macromolecular organic compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C3/006</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="C09C3/12" definition-exists="true" ipc-concordant="C09C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treatment with organosilicon compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09C3/006</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C09C200/00" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09C200/00" definition-exists="true" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09C2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositional and structural details of pigments exhibiting interference colours</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>When indexing codes <class-ref scheme="cpc">C09C2200/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09C2220/20</class-ref> are used, no codes are given for the particle morphology according to the indexing codes <class-ref scheme="cpc">C01P2004/10</class-ref>&#160;-&#160;<class-ref scheme="cpc">C01P2004/42</class-ref> or <class-ref scheme="cpc">C01P2004/80</class-ref>&#160;-&#160;<class-ref scheme="cpc">C01P2004/88</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/10" 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>C09C2200/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments characterized by the core material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/1004" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core comprising at least one inorganic oxide, e.g. Al<sub>2</sub>O<sub>3</sub>, TiO<sub>2</sub> or SiO<sub>2</sub></text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to the core material, e.g. core-M or M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/1012" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a protective coating on the metal layer</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1016" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/102" 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>C09C2200/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of glass or silicate material like mica or clays, e.g. kaolin</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1025" 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>C09C2200/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to core material, e.g. core-M or M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/1029" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a protective coating on the metallic layer</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1033" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/1037" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of an inorganic suboxide or a mixture thereof, e.g. SiOx or TiOx</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1041" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1041</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to core material, e.g. core-M or M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/1045" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1045</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a protective coating on the metallic layer</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/105" 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>C09C2200/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising an intermediate layer between the core and a stack of coating layers having alternating refractive indices</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/1054" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1054</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of a metal</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1058" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1058</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a protective coating on the metallic layer</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/1062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of an organic compound, e.g. Liquid Crystal Polymers [LCP], Polymers or natural pearl essence</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to the core material, e.g. core-M, M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/107" 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>C09C2200/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a protective coating on the metallic layer</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="C09C200/1075" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of a mixture of inorganic and organic phases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1079" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1079</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to the core material, e.g. core-M or M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/1083" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a protective coating on the metallic layer</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="C09C200/1087" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the core consisting of bismuth oxychloride, magnesium fluoride, nitrides, carbides, borides, lead carbonate, barium or calcium sulfate, zinc sulphide, molybdenum disulphide or graphite</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09C200/1091" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1091</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising at least one metal layer adjacent to the core material, e.g. core-M or M-core-M</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/1095" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/1095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a protective coating on the metal layer</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/20" 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>C09C2200/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments comprising a layer with a concentration gradient or a gradient of the refractive index</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/202" 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>C09C2200/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of sub-stoichiometric inorganic compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/205" 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>C09C2200/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of coloured inorganic materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/207" 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>C09C2200/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of carbonaceous material, e.g. carbon black, graphite or SWNT</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/24" 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>C09C2200/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments comprising a metallic reflector or absorber layer, which is not adjacent to the core</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/30" 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>C09C2200/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments characterised by the thickness of the core or layers thereon or by the total thickness of the final pigment particle</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/301" 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>C09C2200/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of the core</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/302" 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>C09C2200/302</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of a layer with high refractive material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/303" 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>C09C2200/303</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of a layer with low refractive material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/304" 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>C09C2200/304</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of intermediate layers adjacent to the core, e.g. metallic layers, protective layers, rutilisation enhancing layers or reflective layers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/305" 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>C09C2200/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of intermediate layers within the stack</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/306" 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>C09C2200/306</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of an absorbing layer</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/307" 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>C09C2200/307</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thickness of an outermost protective layer</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/308" 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>C09C2200/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Total thickness of the pigment particle</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/40" 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>C09C2200/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments comprising an outermost surface coating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/401" 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>C09C2200/401</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic protective coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/402" 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>C09C2200/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic protective coating</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/406" 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>C09C2200/406</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>comprising additional functional groups, e.g. -NH<sub>2</sub>, -C=C- or -SO<sub>3</sub></text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09C200/408" 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>C09C2200/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising additional functional groups, e.g. &#8211;NH<sub>2</sub>, -C=C- or -SO<sub>3</sub></text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C200/50" 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>C09C2200/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Interference pigments comprising a layer or a core consisting of or comprising discrete particles, e.g. nanometric or submicrometer-sized particles</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09C200/505" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09C2200/505</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic particles, e.g. oxides, nitrides or carbides</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="C09C210/50" 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>C09C2210/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluorescent, luminescent or photoluminescent properties</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09C220/00" 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>C09C2220/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods of preparing the interference pigments</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09C220/10" 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>C09C2220/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wet methods, e.g. co-precipitation</text></title-part></class-title>
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