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383 lines
210 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="D21H" definition-exists="true" date-revised="2019-08-01" status="published"><classification-symbol>D21H</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>PULP COMPOSITIONS</text></title-part><title-part><text>PREPARATION THEREOF NOT COVERED BY SUBCLASSES <class-ref scheme="cpc">D21C</class-ref> OR <class-ref scheme="cpc">D21D</class-ref></text></title-part><title-part><text>IMPREGNATING OR COATING OF PAPER</text></title-part><title-part><text>TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS <class-ref scheme="cpc">B31</class-ref> OR SUBCLASS <class-ref scheme="cpc">D21G</class-ref></text></title-part><title-part><text>PAPER NOT OTHERWISE PROVIDED FOR</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> also pulp compositions for the preparation of fibreboard or other fibrous articles by wet processes.</note-paragraph><note-paragraph>In this subclass, the following terms are used with the meaning indicated: <subnote type="bullet"><note-paragraph>"pulp" means a dispersion, <CPC-specific-note> e.g. an aqueous suspension,</CPC-specific-note> comprising paper-making fibres and optional additives, which is to be processed, and covers the term "stock"; it also means dry paper-making fibres which are to be made into paper by either wet or dry processes; </note-paragraph><note-paragraph>"paper" means paper, cardboard or wet-laid non-woven fabrics.</note-paragraph></subnote></note-paragraph><note-paragraph>In groups <class-ref scheme="cpc">D21H11/00</class-ref> - <class-ref scheme="cpc">D21H15/00</class-ref>, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used"> The following IPC group is not in the CPC scheme. The subject matter for this IPC group is classified in the following CPC group: <table><row><entry><class-ref scheme="ipc">D21H27/12</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">D21H27/00</class-ref>, <class-ref scheme="cpc">H01B3/52</class-ref></entry></row></table></note-paragraph><note-paragraph>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.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="D21H1/00" date-revised="2013-01-01" status="published"><classification-symbol>D21H1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>IPC4 groups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H1/00" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H1/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Paper; Cardboard </text><reference><text>fibreboard <class-ref scheme="cpc">D21J</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Layered products classified in this group are also classified in subclass <class-ref scheme="cpc">B32B</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H1/02" definition-exists="false" ipc-concordant="D21H27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H1/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Multi-ply material finished plies</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H1/04" definition-exists="false" ipc-concordant="D21H27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H1/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>by using an adhesive</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H1/06" definition-exists="false" ipc-concordant="D21H27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H1/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Apparatus</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H1/08" definition-exists="false" ipc-concordant="D21H27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H1/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>with incorporated laminae of threads or fabric</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H3/00" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H3/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Paper or cardboard prepared by adding substances to the pulp or to the formed web on the paper-making machine and by applying substances to finished paper or cardboard (on the paper-making machine), also when the intention is to impregnate at least a part of the paper body</text></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>A compound is always classified in the last appropriate place.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H3/82" definition-exists="false" ipc-concordant="D21H21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H3/82</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>by adding insoluble coloured substances, e.g. powders, fibres, pieces of metal, for obtaining different colours in the paper fancy papers; substances characterised by their physical appearance, e.g. form, rather than by their chemical constitution</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H3/825" definition-exists="false" ipc-concordant="D21H21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H3/825</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>substances having a characteristic form, e.g. powders, disintegrated resin foams</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H5/00" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/00</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Special paper or cardboard not otherwise provided for </text><reference><text>duplicating or recording paper <class-ref scheme="cpc">B41M</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0002" definition-exists="false" ipc-concordant="D21H21/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flame-resistant papers; (complex) compositions rendering paper fire-resistant</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0005" definition-exists="false" ipc-concordant="D21H23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes or apparatus specially adapted for applying liquids or other fluent materials to finished paper or board, e.g. impregnating, coating </text><reference><text>applying liquids to surfaces in general <class-ref scheme="cpc">B05</class-ref>; treating textile materials by liquids, gases or vapours <class-ref scheme="cpc">D06B</class-ref>; impregnated or coated fibreboard <class-ref scheme="cpc">D21J1/08</class-ref>; apparatus for making patterned paper <class-ref scheme="cpc">D21H5/06</class-ref>; printing machines <class-ref scheme="cpc">B41F</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Equipment related to specific chemical treatment, <u>see</u> relevant sub-groups for this treatment; e.g. parchmentising or vulcanising <class-ref scheme="cpc">D21H5/08</class-ref>, treatment with viscose <class-ref scheme="cpc">D21H17/25</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0007" definition-exists="false" ipc-concordant="D21H23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment of paper to which liquids or other fluent materials are to be applied</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/001" definition-exists="false" ipc-concordant="D21H23/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by treating paper or board in discontinuous form, e.g. separate sheets, blanks, paper rolls, or the like</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0012" definition-exists="false" ipc-concordant="D21H23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>D21H5/0012</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>by bringing paper into contact with an excess of fluids, the paper carrying away only a part of the fluid material, e.g. by passing through liquids, gases or vapours</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0015" definition-exists="false" ipc-concordant="D21H23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>only one side of the paper being in contact with the treating medium, e.g. paper carried by support</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/0017" definition-exists="false" ipc-concordant="D21H23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0017</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Trailing blade coaters, e.g. blade engaging paper and forming bottom wall of reservoir</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/002" definition-exists="false" ipc-concordant="D21H23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the paper being at least partly surrounded by treating medium on both sides</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/0022" definition-exists="false" ipc-concordant="D21H23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>treating medium being a gas or vapour</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0025" definition-exists="false" ipc-concordant="D21H23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>D21H5/0025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by contact with a device carrying the treating material </text><reference><text><class-ref scheme="cpc">C12</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0027" definition-exists="false" ipc-concordant="D21H23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by a rubbing device, e.g. with brushes or pads</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/003" definition-exists="false" ipc-concordant="D21H23/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a roller</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/0032" definition-exists="false" ipc-concordant="D21H23/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Details thereof, e.g. surface characteristics, peripheral speed</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H5/0035" definition-exists="false" ipc-concordant="D21H23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the coating material on the applicator roller being subjected to a particular treatment before applying to paper</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H5/0037" definition-exists="false" ipc-concordant="D21H23/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reverse roll coating, e.g. applicator surface moving in direction opposite to that of paper</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/004" definition-exists="false" ipc-concordant="D21H23/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the treating material being non-fluent at the moment of transfer, e.g. in form of preformed, at least partially hardened, coating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0042" definition-exists="false" ipc-concordant="D21H23/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by pouring or allowing to flow in a continuous stream onto the surface, the entire stream being carried away by the paper</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0045" definition-exists="false" ipc-concordant="D21H23/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Falling curtain method</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0047" definition-exists="false" ipc-concordant="D21H23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by spraying or projecting </text><reference><text><class-ref scheme="cpc">D21H5/0022</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/005" definition-exists="false" ipc-concordant="D21H23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>involving several different techniques of application </text><reference><text>treatments in which the characteristics of a single treatment are of interest only, or in which all treatments have characteristics provided for in a single sub-group, <u>see</u> the relevant sub-groups for the single treatment; several superposed coatings <class-ref scheme="cpc">D21H19/82</class-ref>; apparatus for making multi-ply material <class-ref scheme="cpc">D21H1/06</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0052" definition-exists="false" ipc-concordant="D21H23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0052</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plural serial stages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0055" definition-exists="false" ipc-concordant="D21H23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0055</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Plural parallel stages</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0057" definition-exists="false" ipc-concordant="D21H23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus permitting switching from one technique to another</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/006" definition-exists="false" ipc-concordant="D21H23/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Controlling or regulating </text><reference><text>controlling or regulating in general <class-ref scheme="cpc">G05</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/0062" definition-exists="false" ipc-concordant="D21H25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>D21H5/0062</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Regulating the amount or the distribution, e.g. smoothing, of essentially fluent material already applied to the paper; Recirculating excess coating material applied to paper </text><reference><text>after-treatment <class-ref scheme="cpc">D21H25/00</class-ref> - <class-ref scheme="cpc">D21H25/18</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/0065" definition-exists="false" ipc-concordant="D21H25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with blades </text><reference><text>trailing blade <class-ref scheme="cpc">D21H5/0017</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/0067" definition-exists="false" ipc-concordant="D21H25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with an essentially cylindrical body, e.g. roll or rod</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/007" definition-exists="false" ipc-concordant="D21H25/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a blast of gas or vapour, e.g. air knife</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0072" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anti-slip papers</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0075" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>D21H5/0075</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Anti-friction, anti-abrasive or release paper </text><reference><text>processes for obtaining an anti-friction or anti-adhesive surface <class-ref scheme="cpc">B05D5/08</class-ref>; adhesive materials on paper characterised by the release coating composition <class-ref scheme="cpc">C09J7/21</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0077" definition-exists="false" ipc-concordant="D21H27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Transparent papers, e.g. paper treated with transparent-rendering compositions or glassine paper prepares from well-hydrated stock </text><reference><text>paper with watermarks <class-ref scheme="cpc">B41M3/10</class-ref>; watermaking devices <class-ref scheme="cpc">D21F1/44</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/008" definition-exists="false" ipc-concordant="D21H15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the use of special fibrous materials as well as special compounds </text><reference><text>use of special fibrous materials <class-ref scheme="cpc">D21H5/12</class-ref>; adding substances to the pulp or to the formed web <class-ref scheme="cpc">D21H3/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0082" definition-exists="false" ipc-concordant="D21H27/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>D21H5/0082</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Wall papers </text><reference><text>printed wallpapers <class-ref scheme="cpc">B41M3/18</class-ref>; pregummed wall paper <class-ref scheme="cpc">C09J7/21</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0085" definition-exists="false" ipc-concordant="D21H27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Paper for surface-protection and decorative purposes, e.g. pressure laminates </text><reference><text>wall paper <class-ref scheme="cpc">D21H5/0082</class-ref>; multi-ply material <class-ref scheme="cpc">D21H1/02</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0087" definition-exists="false" ipc-concordant="D21H27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aspect concerning the core layer(s)</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/009" definition-exists="false" ipc-concordant="D21H27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aspect concerning the anchor layer(s)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/0092" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>D21H5/0092</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>Post-treated paper </text><reference><text>after-treatment following application of substances to finished paper <class-ref scheme="cpc">D21H25/00</class-ref> - <class-ref scheme="cpc">D21H25/18</class-ref>, <class-ref scheme="cpc">D21H5/0062</class-ref>; after-treatment of printed works <class-ref scheme="cpc">B41M7/00</class-ref>; working paper <class-ref scheme="cpc">B31F</class-ref>; paper from fibres which can be modified <class-ref scheme="cpc">D21H5/1272</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0095" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means capable of destructing or weakening the paper structure, e.g. cellulose decomposing agents </text><reference><text>working-up waste paper <class-ref scheme="cpc">D21C5/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/0097" definition-exists="false" ipc-concordant="D21H25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/0097</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means restoring or reinforcing the paper-structure </text><reference><text>preserving paintings <class-ref scheme="cpc">B44D7/00</class-ref>; multi-ply material with incorporated laminae of threads or fabric <class-ref scheme="cpc">D21H1/08</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/02" definition-exists="false" ipc-concordant="D21H27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/02</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Patterned paper</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/025" definition-exists="false" ipc-concordant="D21H27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Webs provided with apertures</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/04" definition-exists="false" ipc-concordant="D21H27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/04</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>marbled</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/06" definition-exists="false" ipc-concordant="D21H27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/06</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Apparatus</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/08" definition-exists="false" ipc-concordant="D21H27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/08</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Vegetable parchment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/12" definition-exists="false" ipc-concordant="D21H15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/12</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>characterised by the use of special fibrous materials </text><reference><text>felts or other non-woven fabrics <class-ref scheme="cpc">D04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1209" definition-exists="false" ipc-concordant="D21H13/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1209</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of protein fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1218" definition-exists="false" ipc-concordant="D21H15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1218</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of crimped or crimpable fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1227" definition-exists="false" ipc-concordant="D21H13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1227</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of polysaccharide fibres other than cellulosic, e.g. alginate fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1236" definition-exists="false" ipc-concordant="D21H15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1236</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fibres which have been treated to render them suitable for sheet formation, e.g. fibrillatable fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1245" definition-exists="false" ipc-concordant="D21H15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of long or continuous filaments</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1254" definition-exists="false" ipc-concordant="D21H21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fibres which have been treated to improve their dispersion in the paper-making furnish</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1263" definition-exists="false" ipc-concordant="D21H11/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1263</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fibres which have been swollen</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/1272" definition-exists="false" ipc-concordant="D21H11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>D21H5/1272</classification-symbol><class-title date-revised="2016-05-01"><title-part><CPC-specific-text><text>of fibres which can be physically or chemically modified during or after web formation </text><reference><text>after treatment of coated or impregnated papers <class-ref scheme="cpc">D21H25/00</class-ref> - <class-ref scheme="cpc">D21H25/18</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/1281" definition-exists="false" ipc-concordant="D21H11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/1281</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by chemical treatment</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/129" definition-exists="false" ipc-concordant="D21H11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/129</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by thermal treatment</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/14" definition-exists="false" ipc-concordant="D21H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/14</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>of cellulose fibres only</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/141" definition-exists="false" ipc-concordant="D21H13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/141</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of fibrous cellulose derivatives</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/143" definition-exists="false" ipc-concordant="D21H13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>grafted or encapsulated cellulose</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/145" definition-exists="false" ipc-concordant="D21H13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cellulose esters</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H5/146" definition-exists="false" ipc-concordant="D21H13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>cellulose acetate</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/148" definition-exists="false" ipc-concordant="D21H13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/148</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>viscose</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/16" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/16</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Tobacco or cigarette paper</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/18" definition-exists="false" ipc-concordant="D21H13/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/18</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>of inorganic fibres with or without cellulose fibres</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/183" definition-exists="false" ipc-concordant="D21H13/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of asbestos fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/186" definition-exists="false" ipc-concordant="D21H13/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of mica fibres or flakes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/20" definition-exists="false" ipc-concordant="D21H13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/20</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>of organic non-cellulosic fibres too short for spinning, with or without cellulose fibres</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/202" definition-exists="false" ipc-concordant="D21H13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/202</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>polyolefins</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/205" definition-exists="false" ipc-concordant="D21H13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>acrylic fibres</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/207" definition-exists="false" ipc-concordant="D21H13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/207</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>polyester fibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/22" definition-exists="false" ipc-concordant="D21H21/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/22</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Fungicidal, bactericidal, insecticidal, disinfecting, antiseptic, or corrosion-inhibiting paper antistatic, antioxygenic paper </text><reference><text>toilet paper <class-ref scheme="cpc">A47K10/16</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/24" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/24</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>having enhanced flexibility or extensibility produced by mechanical treatment of the unfinished paper </text><reference><text>crêping paper <class-ref scheme="cpc">B31F1/12</class-ref>; making patterned paper <class-ref scheme="cpc">D21F11/006</class-ref>, apertured paper <class-ref scheme="cpc">D21F11/008</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/245" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by compressing the (moist) paper in directions lying in, and optionally perpendicular to, the paper plane, e.g. plain-surfaced Clupak papers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H5/26" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-11-01" status="published"><classification-symbol>D21H5/26</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Special paper or cardboard manufactured by dry method; Apparatus or processes for forming webs by dry method from mainly short-fibre or particle material, e.g. paper pulp </text><reference><text>making board from wood, e.g. lignocellulosic, particles or fibres <class-ref scheme="cpc">B27N1/00</class-ref> and subgroups; making non-woven fabrics from textile fibres <class-ref scheme="cpc">D04H1/72</class-ref>; machines for forming diapers <class-ref scheme="cpc">A61F13/15585</class-ref>; lap-forming devices in preliminary treatment of fibres, e.g. for spinning <class-ref scheme="cpc">D01G25/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/2607" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pretreatment and individualisation of the fibres, formation of the mixture fibres-gas and laying the fibres on a forming surface </text><reference><text>manufacture of a pulp sheet or dewatered pulp <class-ref scheme="cpc">D21C9/185</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2614" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2614</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Detachment of the fibres from their compressed state, e.g. by disintegration of a pulpboard </text><reference><text>mechanical treatment of fibrous raw materials by dry methods <class-ref scheme="cpc">D21B1/06</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2621" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Distribution of the fibres in the gas stream and on the forming surface</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2628" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Formation of a product from several constituents, e.g. blends of various types of fibres, fillers and/or binders or formation from various sources and/or streams or fibres </text><reference><text>mixing non-fibrous materials with fibres as a preliminary treatment of fibres, e.g. for spinning <class-ref scheme="cpc">D01G13/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/2635" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2635</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>forming a final homogeneous product</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/2642" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>forming a final non-homogeneous product</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/265" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Treatment of the formed web</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2657" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2657</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Consolidation</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/2664" definition-exists="false" ipc-concordant="D21H21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2664</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Addition of a binder, e.g. synthetic resins or water</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H5/2671" definition-exists="false" ipc-concordant="D21H25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2671</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compression of the web, optionally with the use of a binder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H5/2678" definition-exists="false" ipc-concordant="D21H27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2678</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Manufacture of layered products (assembly of superposed sheets), comprising the consolidation of such a structure </text><reference><text>formation of a web by dry method directly on to other webs formed solely by dry method <class-ref scheme="cpc">D21H5/2628</class-ref> and subgroups</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2685" definition-exists="false" ipc-concordant="D21H27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by dry method on to a web or on or between several preformed webs, at least one of which has been formed by another method, e.g. by wet method</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H5/2692" definition-exists="false" ipc-concordant="D21H27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H5/2692</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Assembly of several preformed webs, at least one of which has been formed by dry method</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="D21H11/00" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H11/00" definition-exists="true" ipc-concordant="D21H11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/02" definition-exists="false" ipc-concordant="D21H11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical or chemomechanical </text><CPC-specific-text><text>or chemothermomechanical</text></CPC-specific-text><text> pulp</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H11/04" definition-exists="false" ipc-concordant="D21H11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Kraft or sulfate pulp</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H11/06" definition-exists="false" ipc-concordant="D21H11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfite or bisulfite pulp</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/08" definition-exists="false" ipc-concordant="D21H11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mechanical or thermomechanical pulp</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/10" definition-exists="false" ipc-concordant="D21H11/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures of chemical and mechanical pulp</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/12" definition-exists="false" ipc-concordant="D21H11/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/14" definition-exists="false" ipc-concordant="D21H11/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Secondary fibres </text><reference><text>working-up waste paper <class-ref scheme="cpc">D21C5/02</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H11/16" definition-exists="false" ipc-concordant="D21H11/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>modified by a particular after-treatment</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H11/18" definition-exists="false" ipc-concordant="D21H11/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Highly hydrated, swollen or fibrillatable fibres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H11/20" definition-exists="false" ipc-concordant="D21H11/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemically or biochemically modified fibres</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H11/22" definition-exists="false" ipc-concordant="D21H11/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H11/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cationised</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H13/00" definition-exists="true" ipc-concordant="D21H13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material </text><reference><text>chemical features in the manufacture of artificial fibres <class-ref scheme="cpc">D01F</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H13/02" definition-exists="false" ipc-concordant="D21H13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synthetic cellulose fibres</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/04" definition-exists="false" ipc-concordant="D21H13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose ethers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/06" definition-exists="false" ipc-concordant="D21H13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose esters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/08" definition-exists="false" ipc-concordant="D21H13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from regenerated cellulose</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H13/10" definition-exists="false" ipc-concordant="D21H13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic non-cellulose fibres</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/12" definition-exists="false" ipc-concordant="D21H13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/14" definition-exists="false" ipc-concordant="D21H13/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenes, e.g. polystyrene </text><CPC-specific-text><text>polyethylene</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/16" definition-exists="false" ipc-concordant="D21H13/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenylalcohols</text></title-part><title-part><text>Polyalkenylethers</text></title-part><title-part><text>Polyalkenylesters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/18" definition-exists="false" ipc-concordant="D21H13/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylonitriles</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/20" definition-exists="false" ipc-concordant="D21H13/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/22" definition-exists="false" ipc-concordant="D21H13/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensation polymers of aldehydes or ketones</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/24" definition-exists="false" ipc-concordant="D21H13/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyesters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/26" definition-exists="false" ipc-concordant="D21H13/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamides</text></title-part><title-part><text>Polyimides</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/28" definition-exists="false" ipc-concordant="D21H13/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from natural polymers</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/30" definition-exists="false" ipc-concordant="D21H13/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-cellulose polysaccharides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H13/32" definition-exists="false" ipc-concordant="D21H13/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alginate fibres</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/34" definition-exists="false" ipc-concordant="D21H13/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Protein fibres</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H13/36" definition-exists="false" ipc-concordant="D21H13/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic fibres or flakes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/38" definition-exists="false" ipc-concordant="D21H13/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>siliceous</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/40" definition-exists="false" ipc-concordant="D21H13/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>vitreous, e.g. mineral wool, glass fibres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/42" definition-exists="false" ipc-concordant="D21H13/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asbestos</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/44" definition-exists="false" ipc-concordant="D21H13/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flakes, e.g. mica, vermiculite</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H13/46" definition-exists="false" ipc-concordant="D21H13/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-siliceous fibres, e.g. from metal oxides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/48" definition-exists="false" ipc-concordant="D21H13/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal or metallised fibres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H13/50" definition-exists="false" ipc-concordant="D21H13/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H13/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon fibres</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H15/00" definition-exists="true" ipc-concordant="D21H15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H15/02" definition-exists="false" ipc-concordant="D21H15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by configuration</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H15/04" definition-exists="false" ipc-concordant="D21H15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>crimped, kinked, curled or twisted fibres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H15/06" definition-exists="false" ipc-concordant="D21H15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Long fibres, i.e. fibres exceeding the upper length limit of conventional paper-making fibres</text></title-part><title-part><text>Filaments</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H15/08" definition-exists="false" ipc-concordant="D21H15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flakes </text><reference><text><class-ref scheme="cpc">D21H13/44</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H15/10" definition-exists="false" ipc-concordant="D21H15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composite fibres</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H15/12" definition-exists="false" ipc-concordant="D21H15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>partly organic, partly inorganic</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H17/00" definition-exists="true" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-fibrous material added to the pulp, characterised by its constitution</text></title-part><title-part><text>Paper-impregnating material characterised by its constitution</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In this group, in the absence of an indication to the contrary, a material is classified in the last appropriate place.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/005" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>D21H17/005</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Microorganisms or enzymes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/01" definition-exists="false" ipc-concordant="D21H17/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waste products, e.g. sludge</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/02" definition-exists="false" ipc-concordant="D21H17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Material of vegetable origin </text><reference><text>proteins <class-ref scheme="cpc">D21H17/22</class-ref>; lignins <class-ref scheme="cpc">D21H17/23</class-ref>; polysaccharides <class-ref scheme="cpc">D21H17/24</class-ref>; rosin <class-ref scheme="cpc">D21H17/62</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/03" definition-exists="false" ipc-concordant="D21H17/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-macromolecular organic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/04" definition-exists="false" ipc-concordant="D21H17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/05" definition-exists="false" ipc-concordant="D21H17/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing elements other than carbon and hydrogen only</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/06" definition-exists="false" ipc-concordant="D21H17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alcohols</text></title-part><title-part><text>Phenols</text></title-part><title-part><text>Ethers</text></title-part><title-part><text>Aldehydes</text></title-part><title-part><text>Ketones</text></title-part><title-part><text>Acetals</text></title-part><title-part><text>Ketals</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/07" definition-exists="false" ipc-concordant="D21H17/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen-containing compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/08" definition-exists="false" ipc-concordant="D21H17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Isocyanates</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/09" definition-exists="false" ipc-concordant="D21H17/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur-containing compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/10" definition-exists="false" ipc-concordant="D21H17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphorus-containing compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/11" definition-exists="false" ipc-concordant="D21H17/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halides</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/12" definition-exists="false" ipc-concordant="D21H17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organo-metallic compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/13" definition-exists="false" ipc-concordant="D21H17/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silicon-containing compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/14" definition-exists="false" ipc-concordant="D21H17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carboxylic acids</text></title-part><title-part><text>Derivatives thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/15" definition-exists="false" ipc-concordant="D21H17/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polycarboxylic acids, e.g. maleic acid</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/16" definition-exists="false" ipc-concordant="D21H17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition products thereof with hydrocarbons</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/17" definition-exists="false" ipc-concordant="D21H17/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ketenes, e.g. ketene dimers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/18" definition-exists="false" ipc-concordant="D21H17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming new compounds <u>in situ</u>, e.g. within the pulp or paper, by chemical reaction with itself, or other added substances, e.g. by grafting on the fibres</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/19" definition-exists="false" ipc-concordant="D21H17/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/20" definition-exists="false" ipc-concordant="D21H17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular organic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/21" definition-exists="false" ipc-concordant="D21H17/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of natural origin</text></title-part><title-part><text>Derivatives thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/22" definition-exists="false" ipc-concordant="D21H17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Proteins</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/23" definition-exists="false" ipc-concordant="D21H17/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lignins</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/24" definition-exists="false" ipc-concordant="D21H17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polysaccharides</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/25" definition-exists="false" ipc-concordant="D21H17/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/26" definition-exists="false" ipc-concordant="D21H17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ethers thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/27" definition-exists="false" ipc-concordant="D21H17/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Esters thereof</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/28" definition-exists="false" ipc-concordant="D21H17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Starch</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/29" definition-exists="false" ipc-concordant="D21H17/29" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cationic</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/30" definition-exists="false" ipc-concordant="D21H17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alginic acid or alginates</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/31" definition-exists="false" ipc-concordant="D21H17/31" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gums</text></title-part></class-title>
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|
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/32" definition-exists="false" ipc-concordant="D21H17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Guar </text><CPC-specific-text><text>or other polygalactomannan</text></CPC-specific-text><text> gum</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/33" definition-exists="false" ipc-concordant="D21H17/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synthetic macromolecular compounds</text></title-part></class-title>
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|
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/34" definition-exists="false" ipc-concordant="D21H17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/35" definition-exists="false" ipc-concordant="D21H17/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenes, e.g. polystyrene</text></title-part></class-title></classification-item>
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/36" definition-exists="false" ipc-concordant="D21H17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenyalcohols</text></title-part><title-part><text>Polyalkenylethers</text></title-part><title-part><text>Polyalkenylesters</text></title-part></class-title></classification-item>
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/37" definition-exists="false" ipc-concordant="D21H17/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/375" definition-exists="false" ipc-concordant="D21H17/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/375</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Poly(meth)acrylamide</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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|
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/38" definition-exists="false" ipc-concordant="D21H17/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing crosslinkable groups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/39" definition-exists="false" ipc-concordant="D21H17/39" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/39</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming ether crosslinkages, e.g. alkylol groups</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/40" definition-exists="false" ipc-concordant="D21H17/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>unsaturated</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/41" definition-exists="false" ipc-concordant="D21H17/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing ionic groups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/42" definition-exists="false" ipc-concordant="D21H17/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>anionic</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H17/43" definition-exists="false" ipc-concordant="D21H17/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carboxyl groups or derivatives thereof</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/44" definition-exists="false" ipc-concordant="D21H17/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>cationic</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H17/45" definition-exists="false" ipc-concordant="D21H17/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen-containing groups</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="D21H17/455" definition-exists="false" ipc-concordant="D21H17/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising tertiary amine or being at least partially quaternised</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/46" definition-exists="false" ipc-concordant="D21H17/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/47" definition-exists="false" ipc-concordant="D21H17/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensation polymers of aldehydes or ketones</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/48" definition-exists="false" ipc-concordant="D21H17/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with phenols</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/49" definition-exists="false" ipc-concordant="D21H17/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with compounds containing hydrogen bound to nitrogen</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H17/50" definition-exists="false" ipc-concordant="D21H17/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acyclic compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H17/51" definition-exists="false" ipc-concordant="D21H17/51" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/51</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Triazines, e.g. melamine</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/52" definition-exists="false" ipc-concordant="D21H17/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Epoxy resins</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/53" definition-exists="false" ipc-concordant="D21H17/53" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/53</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyethers</text></title-part><title-part><text>Polyesters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/54" definition-exists="false" ipc-concordant="D21H17/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/55" definition-exists="false" ipc-concordant="D21H17/55" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/55</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamides</text></title-part><title-part><text>Polyaminoamides</text></title-part><title-part><text>Polyester-amides</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/56" definition-exists="false" ipc-concordant="D21H17/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamines</text></title-part><title-part><text>Polyimines</text></title-part><title-part><text>Polyester-imides</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H17/57" definition-exists="false" ipc-concordant="D21H17/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/57</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyureas</text></title-part><title-part><text>Polyurethanes</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/58" definition-exists="false" ipc-concordant="D21H17/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H17/59" definition-exists="false" ipc-concordant="D21H17/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/59</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/60" definition-exists="false" ipc-concordant="D21H17/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waxes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/61" definition-exists="false" ipc-concordant="D21H17/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bitumen</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/62" definition-exists="false" ipc-concordant="D21H17/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rosin</text></title-part><title-part><text>Derivatives thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/63" definition-exists="false" ipc-concordant="D21H17/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/63</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/64" definition-exists="false" ipc-concordant="D21H17/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alkaline compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/65" definition-exists="false" ipc-concordant="D21H17/65" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Acid compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/66" definition-exists="false" ipc-concordant="D21H17/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Salts, e.g. alums</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/67" definition-exists="false" ipc-concordant="D21H17/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/67</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water-insoluble compounds, e.g. fillers, pigments</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/675" definition-exists="false" ipc-concordant="D21H17/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides, hydroxides or carbonates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/68" definition-exists="false" ipc-concordant="D21H17/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>siliceous, e.g. clays</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H17/69" definition-exists="false" ipc-concordant="D21H17/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H17/69</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>modified, e.g. by association with other compositions prior to incorporation in the pulp or paper</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/70" definition-exists="false" ipc-concordant="D21H17/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H17/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>forming new compounds <u>in situ</u>, e.g. within the pulp or paper, by chemical reaction with other substances added separately</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H17/71" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H17/71</classification-symbol><class-title date-revised="2016-11-01"><title-part><CPC-specific-text><text>Mixtures of material </text><reference><text><class-ref scheme="cpc">D21H17/69</class-ref> takes precedence</text></reference><text>; Pulp or paper comprising several different materials not incorporated by special processes </text><reference><text><class-ref scheme="cpc">D21H23/10</class-ref>, <class-ref scheme="cpc">D21H23/70</class-ref>, <class-ref scheme="cpc">D21H23/76</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/72" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>D21H17/72</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>of organic material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/73" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>D21H17/73</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>of inorganic material</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H17/74" definition-exists="false" ipc-concordant="D21H17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>D21H17/74</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>of organic and inorganic material</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H19/00" definition-exists="true" ipc-concordant="D21H19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coated paper </text><reference><text>coated fibreboard <class-ref scheme="cpc">D21J1/08</class-ref></text></reference></title-part><title-part><text>Coating material </text><reference><text>recording sheets characterised by the coating used to improve ink, dye or pigment receptivity <class-ref scheme="cpc">B41M5/50</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/02" definition-exists="false" ipc-concordant="D21H19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal coatings </text><reference><text><class-ref scheme="cpc">D21H19/66</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/04" definition-exists="false" ipc-concordant="D21H19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied as foil</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/06" definition-exists="false" ipc-concordant="D21H19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied as liquid or powder</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/08" definition-exists="false" ipc-concordant="D21H19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied as vapour, e.g. in vacuum</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/10" definition-exists="false" ipc-concordant="D21H19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings without pigments </text><reference><text><class-ref scheme="cpc">D21H19/66</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/12" definition-exists="false" ipc-concordant="D21H19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied as a solution using water as the only solvent, e.g. in the presence of acid or alkaline compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/14" definition-exists="false" ipc-concordant="D21H19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied in a form other than the aqueous solution defined in group <class-ref scheme="cpc">D21H19/12</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/16" definition-exists="false" ipc-concordant="D21H19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising curable or polymerisable compounds </text><reference><text><class-ref scheme="cpc">D21H19/24</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/18" definition-exists="false" ipc-concordant="D21H19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising waxes</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/20" definition-exists="false" ipc-concordant="D21H19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/22" definition-exists="false" ipc-concordant="D21H19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenes, e.g. polystyrene</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/24" definition-exists="false" ipc-concordant="D21H19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/26" definition-exists="false" ipc-concordant="D21H19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aminoplasts</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/28" definition-exists="false" ipc-concordant="D21H19/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyesters</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/30" definition-exists="false" ipc-concordant="D21H19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamides</text></title-part><title-part><text>Polyimides</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/32" definition-exists="false" ipc-concordant="D21H19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions forming a linkage containing silicon in the main chain of the macromolecule</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/34" definition-exists="false" ipc-concordant="D21H19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising cellulose or derivatives thereof</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/36" definition-exists="false" ipc-concordant="D21H19/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings with pigments </text><reference><text><class-ref scheme="cpc">D21H19/66</class-ref> takes precedence; metal powder <class-ref scheme="cpc">D21H19/06</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/38" definition-exists="false" ipc-concordant="D21H19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the pigments</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/385" definition-exists="false" ipc-concordant="D21H19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/385</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides, hydroxides or carbonates</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/40" definition-exists="false" ipc-concordant="D21H19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>siliceous, e.g. clays</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/42" definition-exists="false" ipc-concordant="D21H19/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least partly organic</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/44" definition-exists="false" ipc-concordant="D21H19/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the other ingredients, e.g. the binder or dispersing agent</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/46" definition-exists="false" ipc-concordant="D21H19/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-macromolecular organic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/48" definition-exists="false" ipc-concordant="D21H19/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Diolefins, e.g. butadiene</text></title-part><title-part><text>Aromatic vinyl monomers, e.g. styrene</text></title-part><title-part><text>Polymerisable unsaturated acids or derivatives thereof, e.g. acrylic acid</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/50" definition-exists="false" ipc-concordant="D21H19/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Proteins</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/52" definition-exists="false" ipc-concordant="D21H19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose</text></title-part><title-part><text>Derivatives thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/54" definition-exists="false" ipc-concordant="D21H19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Starch</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/56" definition-exists="false" ipc-concordant="D21H19/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular organic compounds or oligomers thereof obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/58" definition-exists="false" ipc-concordant="D21H19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H19/60" definition-exists="false" ipc-concordant="D21H19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenylalcohols</text></title-part><title-part><text>Polyalkenylethers</text></title-part><title-part><text>Polyalkenylesters</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/62" definition-exists="false" ipc-concordant="D21H19/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular organic compounds or oligomers thereof obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/64" definition-exists="false" ipc-concordant="D21H19/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/66" definition-exists="false" ipc-concordant="D21H19/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings characterised by a special visual effect, e.g. patterned, textured </text><reference><text>marbled paper <class-ref scheme="cpc">D21H27/04</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/68" definition-exists="false" ipc-concordant="D21H19/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>uneven, broken, discontinuous</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/70" definition-exists="false" ipc-concordant="D21H19/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with internal voids, e.g. bubble coatings</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/72" definition-exists="false" ipc-concordant="D21H19/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coated paper characterised by the paper substrate</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/74" definition-exists="false" ipc-concordant="D21H19/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the substrate having an uneven surface, e.g. crêped or corrugated paper</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/76" definition-exists="false" ipc-concordant="D21H19/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the substrate having specific absorbent properties</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/78" definition-exists="false" ipc-concordant="D21H19/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being substantially impervious to the coating</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H19/80" definition-exists="false" ipc-concordant="D21H19/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paper comprising more than one coating </text><reference><text><class-ref scheme="cpc">D21H19/02</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/82" definition-exists="false" ipc-concordant="D21H19/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>superposed </text><CPC-specific-text><reference><text><class-ref scheme="cpc">D21H19/84</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/822" definition-exists="false" ipc-concordant="D21H19/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/822</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>two superposed coatings, both being pigmented</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/824" definition-exists="false" ipc-concordant="D21H19/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/824</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>two superposed coatings, both being non-pigmented</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/826" definition-exists="false" ipc-concordant="D21H19/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/826</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>two superposed coatings, the first applied being pigmented and the second applied being non-pigmented</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H19/828" definition-exists="false" ipc-concordant="D21H19/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>two superposed coatings, the first applied being non-pigmented and the second applied being pigmented</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H19/84" definition-exists="false" ipc-concordant="D21H19/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H19/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>on both sides of the substrate</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H21/00" definition-exists="true" ipc-concordant="D21H21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-fibrous material added to the pulp, characterised by its function, form or properties</text></title-part><title-part><text>Paper-impregnating or coating material, characterised by its function, form or properties</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H21/02" definition-exists="false" ipc-concordant="D21H21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control </text><reference><text>removal of fats, resins, pitch, or waxes <class-ref scheme="cpc">D21C9/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/04" definition-exists="false" ipc-concordant="D21H21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Slime-control agents</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H21/06" definition-exists="false" ipc-concordant="D21H21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paper forming aids</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/08" definition-exists="false" ipc-concordant="D21H21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dispersing agents for fibres</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/10" definition-exists="false" ipc-concordant="D21H21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Retention agents or drainage improvers</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/12" definition-exists="false" ipc-concordant="D21H21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Defoamers</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H21/14" definition-exists="false" ipc-concordant="D21H21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H21/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by function or properties in or on the paper </text><reference><text><class-ref scheme="cpc">D21H19/66</class-ref>, <class-ref scheme="cpc">D21H27/02</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/143" definition-exists="false" ipc-concordant="D21H21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/143</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Agents preventing ageing of paper, e.g. radiation absorbing substances</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/146" definition-exists="false" ipc-concordant="D21H21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/146</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crêping adhesives</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/16" definition-exists="false" ipc-concordant="D21H21/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sizing or water-repelling agents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/18" definition-exists="false" ipc-concordant="D21H21/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reinforcing agents</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/20" definition-exists="false" ipc-concordant="D21H21/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wet strength agents</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/22" definition-exists="false" ipc-concordant="D21H21/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agents rendering paper porous, absorbent or bulky</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/24" definition-exists="false" ipc-concordant="D21H21/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surfactants</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/26" definition-exists="false" ipc-concordant="D21H21/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agents rendering paper transparent or translucent</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/28" definition-exists="false" ipc-concordant="D21H21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>D21H21/28</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Colorants </text><CPC-specific-text><text>; Pigments or opacifying agents</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/285" definition-exists="false" ipc-concordant="D21H21/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>insoluble</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/30" definition-exists="false" ipc-concordant="D21H21/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Luminescent or fluorescent substances, e.g. for optical bleaching </text><reference><text><class-ref scheme="cpc">D21H21/40</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/32" definition-exists="false" ipc-concordant="D21H21/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bleaching agents </text><reference><text>bleaching cellulose pulp <class-ref scheme="cpc">D21C9/10</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/34" definition-exists="false" ipc-concordant="D21H21/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ignifugeants</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/36" definition-exists="false" ipc-concordant="D21H21/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/38" definition-exists="false" ipc-concordant="D21H21/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Corrosion-inhibiting agents or anti-oxidants</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/40" definition-exists="false" ipc-concordant="D21H21/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-10-01" status="published"><classification-symbol>D21H21/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper </text><reference><text>watermarking <class-ref scheme="cpc">B41M3/10</class-ref>, <class-ref scheme="cpc">D21F1/44</class-ref>; security printing <class-ref scheme="cpc">B41M3/14</class-ref>; securities or banknotes characterised by colour effects <class-ref scheme="cpc">B42D25/29</class-ref>, <class-ref scheme="cpc">B42D25/30</class-ref>; testing paper currency or valuable papers for genuineness <class-ref scheme="cpc">G07D7/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/42" definition-exists="false" ipc-concordant="D21H21/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ribbons or strips </text><reference><text>filaments <class-ref scheme="cpc">D21H15/06</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/44" definition-exists="false" ipc-concordant="D21H21/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H21/46" definition-exists="false" ipc-concordant="D21H21/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements suited for chemical verification or impeding chemical tampering, e.g. by use of eradicators</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H21/48" definition-exists="false" ipc-concordant="D21H21/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements suited for physical verification, e.g. by irradiation</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H21/50" definition-exists="false" ipc-concordant="D21H21/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by form </text><reference><text><class-ref scheme="cpc">D21H19/66</class-ref>, <class-ref scheme="cpc">D21H21/42</class-ref>, <class-ref scheme="cpc">D21H27/02</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/52" definition-exists="false" ipc-concordant="D21H21/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives of definite length or shape</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H21/54" definition-exists="false" ipc-concordant="D21H21/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>being spherical, e.g. microcapsules, beads</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H21/56" definition-exists="false" ipc-concordant="D21H21/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H21/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foam</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H23/00" definition-exists="true" ipc-concordant="D21H23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H23/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes or apparatus for adding material to the pulp or to the paper </text><reference><text>applying liquids or other fluent material to surfaces, in general <class-ref scheme="cpc">B05</class-ref>; processes for making continuous lengths of paper <class-ref scheme="cpc">D21F11/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Processes or apparatus used for addition to the paper during its manufacture, i.e. on-machine, are classified in groups <class-ref scheme="cpc">D21H23/24</class-ref> - <class-ref scheme="cpc">D21H23/28</class-ref> if they are specially influenced by, or specially adapted to the paper-making process. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H23/02" definition-exists="false" ipc-concordant="D21H23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the manner in which substances are added</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H23/04" definition-exists="false" ipc-concordant="D21H23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition to the pulp</text></title-part><title-part><text>After-treatment of added substances in the pulp</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/06" definition-exists="false" ipc-concordant="D21H23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling the addition</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/08" definition-exists="false" ipc-concordant="D21H23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring pulp properties, e.g. zeta potential, pH</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/10" definition-exists="false" ipc-concordant="D21H23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least two kinds of compounds being added</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/12" definition-exists="false" ipc-concordant="D21H23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by measuring properties of the formed web</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/14" definition-exists="false" ipc-concordant="D21H23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by selecting point of addition or time of contact between components</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/16" definition-exists="false" ipc-concordant="D21H23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition before or during pulp beating or refining </text><reference><text>disintegrating fibrous raw materials in mills in the presence of chemical agents <class-ref scheme="cpc">D21B1/16</class-ref>; methods of beating <class-ref scheme="cpc">D21D1/02</class-ref>; methods of refining <class-ref scheme="cpc">D21D1/20</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/18" definition-exists="false" ipc-concordant="D21H23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/20" definition-exists="false" ipc-concordant="D21H23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus therefor</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H23/22" definition-exists="false" ipc-concordant="D21H23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H23/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition to the formed paper</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/24" definition-exists="false" ipc-concordant="D21H23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>during paper manufacture</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/26" definition-exists="false" ipc-concordant="D21H23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by selecting point of addition or moisture content of the paper</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/28" definition-exists="false" ipc-concordant="D21H23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Addition before the dryer section, e.g. at the wet end or press section</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/30" definition-exists="false" ipc-concordant="D21H23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pretreatment of the paper </text><reference><text><class-ref scheme="cpc">D21H23/70</class-ref>, <class-ref scheme="cpc">D21H23/76</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/32" definition-exists="false" ipc-concordant="D21H23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper </text><reference><text><class-ref scheme="cpc">D21H23/66</class-ref> takes precedence; removing excess material <class-ref scheme="cpc">D21H25/08</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/34" definition-exists="false" ipc-concordant="D21H23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Knife or blade type coaters</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/36" definition-exists="false" ipc-concordant="D21H23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Knife or blade forming part of the fluid reservoir, e.g. puddle-type trailing blade </text><CPC-specific-text><text>or short-dwell coaters</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/38" definition-exists="false" ipc-concordant="D21H23/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the fluid material being applied with a special device, e.g. with a roll in a flooded-nip inverted blade coater</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/40" definition-exists="false" ipc-concordant="D21H23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>only one side of the paper being in contact with the material </text><reference><text><class-ref scheme="cpc">D21H23/34</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/42" definition-exists="false" ipc-concordant="D21H23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paper being at least partly surrounded by the material on both sides </text><reference><text><class-ref scheme="cpc">D21H23/34</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/44" definition-exists="false" ipc-concordant="D21H23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treatment with a gas or vapour</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/46" definition-exists="false" ipc-concordant="D21H23/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pouring or allowing the fluid to flow in a continuous stream on to the surface, the entire stream being carried away by the paper </text><reference><text><class-ref scheme="cpc">D21H23/66</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/48" definition-exists="false" ipc-concordant="D21H23/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Curtain coaters</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/50" definition-exists="false" ipc-concordant="D21H23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spraying or projecting </text><reference><text><class-ref scheme="cpc">D21H23/44</class-ref>, <class-ref scheme="cpc">D21H23/66</class-ref> take precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/52" definition-exists="false" ipc-concordant="D21H23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by contacting paper with a device carrying the material </text><reference><text><class-ref scheme="cpc">D21H23/32</class-ref>, <class-ref scheme="cpc">D21H23/46</class-ref>, <class-ref scheme="cpc">D21H23/66</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/54" definition-exists="false" ipc-concordant="D21H23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rubbing devices, e.g. brush, pad, felt</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/56" definition-exists="false" ipc-concordant="D21H23/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rolls </text><reference><text><class-ref scheme="cpc">D21H23/38</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="D21H23/58" definition-exists="false" ipc-concordant="D21H23/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Details thereof, e.g. surface characteristics, peripheral speed</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H23/60" definition-exists="false" ipc-concordant="D21H23/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the material on the applicator roll being subjected to a particular treatment before applying to the paper </text><reference><text><class-ref scheme="cpc">D21H23/64</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="D21H23/62" definition-exists="false" ipc-concordant="D21H23/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reverse roll coating, i.e. applicator roll surface moving in direction opposite to that of the paper</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/64" definition-exists="false" ipc-concordant="D21H23/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the material being non-fluent at the moment of transfer, e.g. in form of preformed, at least partially hardened coating</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/66" definition-exists="false" ipc-concordant="D21H23/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Treating discontinuous paper, e.g. sheets, blanks, rolls</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/68" definition-exists="false" ipc-concordant="D21H23/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>whereby the paper moves continuously</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H23/70" definition-exists="false" ipc-concordant="D21H23/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multistep processes</text></title-part><title-part><text>Apparatus for adding one or several substances in portions or in various ways to the paper, not covered by another single group of this main group</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/72" definition-exists="false" ipc-concordant="D21H23/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Plural serial stages only</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H23/74" definition-exists="false" ipc-concordant="D21H23/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus permitting switching from one technique to another</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H23/76" definition-exists="false" ipc-concordant="D21H23/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect </text><reference><text><class-ref scheme="cpc">D21H17/18</class-ref>, <class-ref scheme="cpc">D21H17/70</class-ref>, <class-ref scheme="cpc">D21H23/10</class-ref> take precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H23/765" definition-exists="false" ipc-concordant="D21H23/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/765</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Addition of all compounds to the pulp</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H23/78" definition-exists="false" ipc-concordant="D21H23/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H23/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Controlling or regulating not limited to any particular process or apparatus</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H25/00" definition-exists="true" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H25/00</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>After-treatment of paper not provided for in groups <class-ref scheme="cpc">D21H17/00</class-ref> - <class-ref scheme="cpc">D21H23/00</class-ref></text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H25/005" definition-exists="false" ipc-concordant="D21H25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mechanical treatment </text><reference><text><class-ref scheme="cpc">D21H25/08</class-ref>, <class-ref scheme="cpc">D21H25/18</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H25/02" definition-exists="false" ipc-concordant="D21H25/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical or biochemical treatment </text><reference><text><class-ref scheme="cpc">D21H25/18</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H25/04" definition-exists="false" ipc-concordant="D21H25/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Physical treatment, e.g. heating, irradiating </text><reference><text><class-ref scheme="cpc">D21H25/18</class-ref> takes precedence; dryer section of machines for making continuous webs of paper <class-ref scheme="cpc">D21F5/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H25/06" definition-exists="false" ipc-concordant="D21H25/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of impregnated or coated paper </text><reference><text><class-ref scheme="cpc">D21H25/08</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H25/08" definition-exists="false" ipc-concordant="D21H25/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rearranging applied substances, e.g. metering, smoothing</text></title-part><title-part><text>Removing excess material</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H25/10" definition-exists="false" ipc-concordant="D21H25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with blades</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H25/12" definition-exists="false" ipc-concordant="D21H25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with an essentially cylindrical body, e.g. roll or rod</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H25/14" definition-exists="false" ipc-concordant="D21H25/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>D21H25/14</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>the body being a casting drum </text><CPC-specific-text><text>, a heated roll or a calender</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H25/16" definition-exists="false" ipc-concordant="D21H25/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with a blast of vapour or gas, e.g. air knife</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H25/18" definition-exists="false" ipc-concordant="D21H25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H25/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of old paper as in books, documents, e.g. restoring</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="D21H27/00" definition-exists="true" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Special paper not otherwise provided for, e.g. made by multi-step processes</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group provides for the classification of paper with special properties or applications which are only partially or not at all provided for elsewhere in the classification. Whenever possible, however, these papers are classified according to the criteria used in the other groups of this subclass. </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/001" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Release paper</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/002" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-05-01" status="published"><classification-symbol>D21H27/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Tissue paper; Absorbent paper </text><reference><text><class-ref scheme="cpc">D21H21/22</class-ref>, <class-ref scheme="cpc">D21H27/02</class-ref>, <class-ref scheme="cpc">D21H27/20</class-ref> take precedence; toilet paper <class-ref scheme="cpc">A47K10/00</class-ref>; absorbent pads for physiological fluids <class-ref scheme="cpc">A61L15/16</class-ref>; making on paper-making machines <class-ref scheme="cpc">D21F11/00</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/004" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>D21H27/004</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>characterised by specific parameters </text><reference><text><class-ref scheme="cpc">D21H27/008</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H27/005" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>relating to physical or mechanical properties, e.g. tensile strength, stretch, softness</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H27/007" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>relating to absorbency, e.g. amount or rate of water absorption, optionally in combination with other parameters relating to physical or mechanical properties</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/008" definition-exists="false" ipc-concordant="D21H27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-05-01" status="published"><classification-symbol>D21H27/008</classification-symbol><class-title date-revised="2017-05-01"><title-part><CPC-specific-text><text>characterised by inhomogeneous distribution or incomplete coverage of properties, e.g. obtained by using materials of chemical compounds </text><reference><text><class-ref scheme="cpc">D21H23/02</class-ref>, <class-ref scheme="cpc">D21H23/76</class-ref>, <class-ref scheme="cpc">D21H27/02</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/02" definition-exists="false" ipc-concordant="D21H27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Patterned paper </text><reference><text>patterned coatings <class-ref scheme="cpc">D21H19/66</class-ref>; embossing <class-ref scheme="cpc">B31F1/07</class-ref>; prepared on the paper-making machines <class-ref scheme="cpc">D21F11/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/04" definition-exists="false" ipc-concordant="D21H27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>marbled</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/06" definition-exists="false" ipc-concordant="D21H27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vegetable or imitation parchment</text></title-part><title-part><text>Glassine paper</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/08" definition-exists="false" ipc-concordant="D21H27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Filter paper </text><reference><text>self-supporting filtering material <class-ref scheme="cpc">B01D39/14</class-ref>; making on paper-making machines <class-ref scheme="cpc">D21F11/14</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/10" definition-exists="false" ipc-concordant="D21H27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Packing paper </text><reference><text>packaging materials of special type or form <class-ref scheme="cpc">B65D65/38</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/14" definition-exists="false" ipc-concordant="D21H27/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paper having stable form or dimension</text></title-part><title-part><text>Curl-resistant paper </text><reference><text>anticoil photographic support <class-ref scheme="cpc">G03C1/81</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/16" definition-exists="false" ipc-concordant="D21H27/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pure paper, i.e. paper lacking or having low content of contaminants </text><reference><text>after-treatment of cellulose pulp <class-ref scheme="cpc">D21C9/00</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/18" definition-exists="false" ipc-concordant="D21H27/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Paper- or board-based structures for surface covering</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/20" definition-exists="false" ipc-concordant="D21H27/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>D21H27/20</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Flexible structures being applied by the user, e.g. wallpaper </text><reference><text>printed wallpapers <class-ref scheme="cpc">B41M3/18</class-ref>; paperhanging <class-ref scheme="cpc">B44C7/00</class-ref>; pregummed wallpaper <class-ref scheme="cpc">C09J7/21</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/22" definition-exists="false" ipc-concordant="D21H27/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structures being applied on the surface by special manufacturing processes, e.g. in presses</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H27/24" definition-exists="false" ipc-concordant="D21H27/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the surface to be covered being phenolic-resin paper laminates, vulcan fibre or similar cellulosic fibreboards</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H27/26" definition-exists="false" ipc-concordant="D21H27/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the overlay sheet or the top layers of the structures </text><reference><text>decorative panels <class-ref scheme="cpc">B44C5/04</class-ref>; wood grain effects <class-ref scheme="cpc">B44F9/02</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H27/28" definition-exists="false" ipc-concordant="D21H27/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>treated to obtain specific resistance properties, e.g. against wear or weather </text><reference><text>water-repelling agents <class-ref scheme="cpc">D21H21/16</class-ref></text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="D21H27/30" definition-exists="false" ipc-concordant="D21H27/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Multi-ply </text><reference><text>for surface covering <class-ref scheme="cpc">D21H27/18</class-ref>; making on paper-making machines <class-ref scheme="cpc">D21F9/00</class-ref>, <class-ref scheme="cpc">D21F11/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Layered products classified in this group are also classified in subclass <class-ref scheme="cpc">B32B</class-ref></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/32" definition-exists="false" ipc-concordant="D21H27/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with materials applied between the sheets </text><reference><text>attaching together paper or cardboard sheets <class-ref scheme="cpc">B31F5/00</class-ref>; adhesives <class-ref scheme="cpc">C09J</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="D21H27/34" definition-exists="false" ipc-concordant="D21H27/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Continuous materials, e.g. filaments, sheets, nets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="D21H27/36" definition-exists="false" ipc-concordant="D21H27/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Films made from synthetic macromolecular compounds</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/38" definition-exists="false" ipc-concordant="D21H27/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least one of the sheets having a fibrous composition differing from that of other sheets</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/40" definition-exists="false" ipc-concordant="D21H27/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least one of the sheets being non-planar, e.g. crêped </text><reference><text>crêping or corrugating paper <class-ref scheme="cpc">B31F</class-ref></text></reference></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="D21H27/42" definition-exists="false" ipc-concordant="D21H27/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>D21H27/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising dry-laid paper</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |