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blabla/PATSTAT/CPCSchemeXML202302/cpc-scheme-C09K.xml

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<?xml version="1.0" encoding="UTF-8"?>
<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="C09K" definition-exists="true" date-revised="2019-08-01" status="published"><classification-symbol>C09K</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> also the use of specified materials in general or their use for the applications not specially provided for elsewhere.</note-paragraph><note-paragraph> In this subclass, the following term is used with the meaning indicated: <subnote type="bullet"><note-paragraph>&quot;materials&quot; includes compositions.</note-paragraph></subnote></note-paragraph></note><note type="warning"><note-paragraph warning-type="ipc-not-used">The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups: <table><row><entry><class-ref scheme="ipc">C09K11/78</class-ref>-<class-ref scheme="ipc">C09K11/86</class-ref></entry><entry> covered by </entry><entry> <class-ref scheme="cpc">C09K11/77</class-ref> - <class-ref scheme="cpc">C09K11/7798</class-ref>, <class-ref scheme="cpc">C09K11/87</class-ref>, <class-ref scheme="cpc">C09K11/88</class-ref>, <class-ref scheme="cpc">C09K11/89</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>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C09K3/00" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/00</classification-symbol>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K3/00" definition-exists="true" ipc-concordant="C09K3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials not provided for elsewhere</text></title-part></class-title><notes-and-warnings date-revised="2013-11-05"><note type="note"><note-paragraph>When classifying in groups <class-ref scheme="cpc">C09K3/10</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K3/1028</class-ref> the properties and uses of the material can be further indexed by using indexing codes chosen from <class-ref scheme="cpc">C09K2003/1034</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K2003/1096</class-ref> and the chemical nature of the materials can be further indexed by using indexing codes chosen from <class-ref scheme="cpc">C09K2200/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K2200/0697</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/10" definition-exists="true" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials in mouldable or extrudable form</text></CPC-specific-text><text> for sealing or packing joints or covers </text><reference><text>filling pastes <class-ref scheme="cpc">C09D5/34</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1003" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pure inorganic mixtures</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1006" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the chemical nature of one of its constituents</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1009" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluorinated polymers, e.g. PTFE</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1012" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfur-containing polymers, e.g. polysulfides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1015" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polysaccharides or derivatives thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1018" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Macromolecular compounds having one or more carbon-to-silicon linkages</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1021" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyurethanes or derivatives thereof</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1025" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by non-chemical features of one or more of its constituents</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1028" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fibres</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1031" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1031</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sealing waxes, e.g. sealing letters, bottles, or the like</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K3/1034" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1034</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials or components characterised by specific properties</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1037" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1037</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Intumescent materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/104" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water-swellable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1043" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non water-swellable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1046" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water-absorbing materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/105" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water-soluble materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1053" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Elastomeric materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1056" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Moisture-curable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1059" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat-curable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1062" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>UV-curable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1065" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anaerobically hardenable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1068" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crosslinkable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1071" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thixotropic materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1075" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injection-mouldable materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1078" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fire-resistant, heat-resistant materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1081" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Water-proofed materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K3/1084" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Laminates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K3/1087" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials or components characterised by specific uses</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/109" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/109</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crown caps</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1093" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cables</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K3/1096" definition-exists="false" ipc-concordant="C09K3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2003/1096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cylinder head gaskets</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/12" definition-exists="false" ipc-concordant="C09K3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials for stopping leaks, e.g. in radiators, in tanks </text><reference><text>filling pastes <class-ref scheme="cpc">C09D5/34</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/14" definition-exists="true" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K3/14</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Anti-slip materials</text></title-part><title-part><text>Abrasives </text><CPC-specific-text><reference><text>products specifically intended for the fabrication of abrasive tools, blocks or papers, or for operations of the kind of sand-blasting and barrelling <class-ref scheme="cpc">B24B31/14</class-ref>, <class-ref scheme="cpc">B24C1/00</class-ref>; polishing compositions containing abrasive or grinding agents <class-ref scheme="cpc">C09G1/02</class-ref>; polishing of semi-conductors <class-ref scheme="cpc">H01L</class-ref>; friction compositions for brakes or clutches <class-ref scheme="cpc">F16D69/02</class-ref></text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In this group, boron and silicon are considered as being metals. Likewise for associations of carbon with metals, e.g. carbides.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1409" definition-exists="true" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K3/1409</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Abrasive particles <u>per se</u> </text><reference><text>preparation of diamond <class-ref scheme="cpc">C01B32/25</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1418" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by division of a mass agglomerated by sintering</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1427" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by division of a mass agglomerated by melting, at least partially, e.g. with a binder</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1436" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Composite particles, e.g. coated particles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1445" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1445</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the coating consisting exclusively of metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/1454" definition-exists="true" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1454</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Abrasive powders, suspensions and pastes for polishing</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1463" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aqueous liquid suspensions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1472" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-aqueous liquid suspensions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K3/1481" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pastes, optionally in the form of blocks or sticks</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/149" definition-exists="false" ipc-concordant="C09K3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/149</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antislip compositions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/16" definition-exists="true" ipc-concordant="C09K3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anti-static materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/18" definition-exists="true" ipc-concordant="C09K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for application to surfaces to minimize adherence of ice, mist or water thereto </text><reference><text>rendering particulate materials free flowing, in general, e.g. making them hydrophobic <class-ref scheme="cpc">B01J2/30</class-ref></text></reference></title-part><title-part><text>Thawing or antifreeze materials for application to surfaces </text><reference><text>used in liquids for heat-transfer, heat-exchange or heat-storage or for the production of heat or cold other than by combustion, e.g. radiator liquids, <class-ref scheme="cpc">C09K5/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K3/185" definition-exists="false" ipc-concordant="C09K3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thawing materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/20" definition-exists="false" ipc-concordant="C09K3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2023-02-01" status="published"><classification-symbol>C09K3/20</classification-symbol><class-title date-revised="2023-02-01"><title-part><text>as substitutes for glycerol in its non-chemical uses, e.g. as a base in toiletry creams or ointments</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/22" definition-exists="true" ipc-concordant="C09K3/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for dust-laying or dust-absorbing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/24" definition-exists="true" ipc-concordant="C09K3/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for simulating ice or snow</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/30" definition-exists="true" ipc-concordant="C09K3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for aerosols </text><reference><text>aerosol containers <class-ref scheme="cpc">B65D83/14</class-ref></text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K3/32" definition-exists="true" ipc-concordant="C09K3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for absorbing liquids to remove pollution, e.g. oil, gasoline, fat</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K5/00" definition-exists="true" ipc-concordant="C09K5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants</text></title-part><title-part><text>Materials for the production of heat or cold by chemical reactions other than by combustion</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K5/02" definition-exists="false" ipc-concordant="C09K5/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials undergoing a change of physical state when used </text><reference><text><class-ref scheme="cpc">C09K5/16</class-ref>, <class-ref scheme="cpc">C09K5/20</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K5/04" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K5/04</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>the change of state being from liquid to vapour or <u>vice versa</u></text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> When classifying in groups <class-ref scheme="cpc">C09K5/042</class-ref>, <class-ref scheme="cpc">C09K5/044</class-ref> and <class-ref scheme="cpc">C09K5/045</class-ref> the chemical nature of the material can be further indexed by using indexing codes chosen from <class-ref scheme="cpc">C09K2205/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K2205/48</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/041" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for compression-type refrigeration systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K5/042" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising compounds containing carbon and hydrogen only</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K5/044" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising halogenated compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K5/045" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing only fluorine as halogen</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/047" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for absorption-type refrigeration systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/048" definition-exists="false" ipc-concordant="C09K5/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Boiling liquids as heat transfer materials</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K5/06" definition-exists="false" ipc-concordant="C09K5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K5/06</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>the change of state being from liquid to solid or <u>vice versa</u></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/063" definition-exists="false" ipc-concordant="C09K5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Materials absorbing or liberating heat during crystallisation; Heat storage materials</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/066" definition-exists="false" ipc-concordant="C09K5/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cooling mixtures; De-icing compositions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K5/08" definition-exists="false" ipc-concordant="C09K5/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C09K5/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials not undergoing a change of physical state when used </text><reference><text><class-ref scheme="cpc">C09K5/16</class-ref>, <class-ref scheme="cpc">C09K5/20</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K5/10" definition-exists="false" ipc-concordant="C09K5/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K5/12" definition-exists="false" ipc-concordant="C09K5/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Molten materials, i.e. materials solid at room temperature, e.g. metals or salts</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K5/14" definition-exists="false" ipc-concordant="C09K5/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Solid materials, e.g. powdery or granular</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K5/16" definition-exists="false" ipc-concordant="C09K5/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials undergoing chemical reactions when used</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K5/18" definition-exists="false" ipc-concordant="C09K5/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-05-01" status="published"><classification-symbol>C09K5/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-reversible chemical reactions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K5/20" definition-exists="false" ipc-concordant="C09K5/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K5/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antifreeze additives therefor, e.g. for radiator liquids </text><reference><text>for application to surfaces <class-ref scheme="cpc">C09K3/18</class-ref>; inhibiting corrosion by liquids <class-ref scheme="cpc">C23F11/00</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K8/00" definition-exists="true" ipc-concordant="C09K8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>C09K8/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for drilling of boreholes or wells</text></title-part><title-part><text>Compositions for treating boreholes or wells, e.g. for completion or for remedial operations</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph><CPC-specific-note>When classifying in groups <class-ref scheme="cpc">C09K8/00</class-ref>-<class-ref scheme="cpc">C09K8/40</class-ref> and <class-ref scheme="cpc">C09K8/50</class-ref>-<class-ref scheme="cpc">C09K8/94</class-ref>, it is mandatory when appropriate to classify with indexing codes for aspects relating to compositions for drilling or treating boreholes or wells. The indexing codes are chosen from the groups <class-ref scheme="cpc">C09K2208/00</class-ref>-<class-ref scheme="cpc">C09K2208/34</class-ref></CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/02" definition-exists="false" ipc-concordant="C09K8/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-11-01" status="published"><classification-symbol>C09K8/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Well-drilling compositions</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C09K8/02</class-ref>-<class-ref scheme="cpc">C09K8/38</class-ref>, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/03" definition-exists="true" ipc-concordant="C09K8/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specific additives for general use in well-drilling compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/032" definition-exists="false" ipc-concordant="C09K8/03" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/032</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inorganic additives</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/035" definition-exists="false" ipc-concordant="C09K8/035" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/035</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic additives</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/04" definition-exists="false" ipc-concordant="C09K8/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aqueous well-drilling compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/05" definition-exists="false" ipc-concordant="C09K8/05" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing inorganic compounds only, e.g. mixtures of clay and salt</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/06" definition-exists="false" ipc-concordant="C09K8/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clay-free compositions </text><reference><text>containing inorganic compounds only <class-ref scheme="cpc">C09K8/05</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/08" definition-exists="false" ipc-concordant="C09K8/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing natural organic compounds, e.g. polysaccharides, or derivatives thereof</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/10" definition-exists="false" ipc-concordant="C09K8/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose or derivatives thereof</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/12" definition-exists="false" ipc-concordant="C09K8/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing synthetic organic macromolecular compounds or their precursors</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/14" definition-exists="false" ipc-concordant="C09K8/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clay-containing compositions </text><reference><text>containing inorganic compounds <class-ref scheme="cpc">C09K8/05</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/145" definition-exists="true" ipc-concordant="C09K8/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the composition of the clay</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/16" definition-exists="false" ipc-concordant="C09K8/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the inorganic compounds other than clay</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/18" definition-exists="false" ipc-concordant="C09K8/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/20" definition-exists="false" ipc-concordant="C09K8/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K8/203" definition-exists="false" ipc-concordant="C09K8/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/203</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Wood derivatives, e.g. lignosulfonate, tannin, tall oil, sulfite liquor</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K8/206" definition-exists="false" ipc-concordant="C09K8/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/206</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Derivatives of other natural products, e.g. cellulose, starch, sugars</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/22" definition-exists="true" ipc-concordant="C09K8/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Synthetic organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K8/24" definition-exists="false" ipc-concordant="C09K8/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/26" definition-exists="false" ipc-concordant="C09K8/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil-in-water emulsions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/265" definition-exists="false" ipc-concordant="C09K8/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/265</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing inorganic additives</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/28" definition-exists="false" ipc-concordant="C09K8/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic additives</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/32" definition-exists="false" ipc-concordant="C09K8/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-aqueous well-drilling compositions, e.g. oil-based</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/34" definition-exists="true" ipc-concordant="C09K8/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic liquids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/36" definition-exists="false" ipc-concordant="C09K8/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water-in-oil emulsions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/38" definition-exists="false" ipc-concordant="C09K8/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gaseous or foamed well-drilling compositions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/40" definition-exists="false" ipc-concordant="C09K8/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spacer compositions, e.g. compositions used to separate well-drilling from cementing masses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/42" definition-exists="true" ipc-concordant="C09K8/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for cementing, e.g. for cementing casings into boreholes</text></title-part><title-part><text>Compositions for plugging, e.g. for killing wells </text><reference><text>compositions for plastering <class-ref scheme="cpc">C09K8/50</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/422" definition-exists="false" ipc-concordant="C09K8/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for sealing expandable pipes, e.g. of the non-hardening type</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/424" definition-exists="false" ipc-concordant="C09K8/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/424</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using &quot;spacer&quot; compositions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/426" definition-exists="false" ipc-concordant="C09K8/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/426</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for plugging</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/428" definition-exists="false" ipc-concordant="C09K8/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/428</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for squeeze cementing, e.g. for repairing</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/44" definition-exists="false" ipc-concordant="C09K8/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic binders only</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/46" definition-exists="false" ipc-concordant="C09K8/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing inorganic binders, e.g. Portland cement</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/467" definition-exists="false" ipc-concordant="C09K8/467" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/467</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing additives for specific purposes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/473" definition-exists="false" ipc-concordant="C09K8/473" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/473</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Density reducing additives, e.g. for obtaining foamed cement compositions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/48" definition-exists="false" ipc-concordant="C09K8/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Density increasing or weighting additives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/487" definition-exists="false" ipc-concordant="C09K8/487" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/487</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluid loss control additives</text></title-part><title-part><text>Additives for reducing or preventing circulation loss</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/493" definition-exists="false" ipc-concordant="C09K8/493" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/493</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives for reducing or preventing gas migration</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/50" definition-exists="true" ipc-concordant="C09K8/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls </text><reference><text>compositions for consolidating loose sand or the like around wells <class-ref scheme="cpc">C09K8/56</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/501" definition-exists="false" ipc-concordant="C09K8/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/501</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using spacer compositions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/502" definition-exists="false" ipc-concordant="C09K8/502" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/502</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil-based compositions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/504" definition-exists="false" ipc-concordant="C09K8/504" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/504</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions based on water or polar solvents </text><reference><text><class-ref scheme="cpc">C09K8/502</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/5045" definition-exists="false" ipc-concordant="C09K8/504" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing inorganic compounds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/506" definition-exists="false" ipc-concordant="C09K8/506" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/506</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/508" definition-exists="false" ipc-concordant="C09K8/508" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/508</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>macromolecular compounds </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C09K8/512</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5083" definition-exists="false" ipc-concordant="C09K8/508" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5086" definition-exists="false" ipc-concordant="C09K8/508" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/512" definition-exists="false" ipc-concordant="C09K8/512" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/512</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing cross-linking agents</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/514" definition-exists="false" ipc-concordant="C09K8/514" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/514</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of natural origin, e.g. polysaccharides, cellulose </text><reference><text><class-ref scheme="cpc">C09K8/512</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/516" definition-exists="true" ipc-concordant="C09K8/516" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/516</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their form or by the form of their components, e.g. encapsulated material</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/518" definition-exists="false" ipc-concordant="C09K8/518" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/518</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foams</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/52" definition-exists="true" ipc-concordant="C09K8/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/524" definition-exists="false" ipc-concordant="C09K8/524" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/524</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>organic depositions, e.g. paraffins or asphaltenes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/528" definition-exists="false" ipc-concordant="C09K8/528" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/528</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>inorganic depositions, e.g. sulfates or carbonates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/532" definition-exists="true" ipc-concordant="C09K8/532" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/532</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/536" definition-exists="false" ipc-concordant="C09K8/536" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/536</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their form or by the form of their components, e.g. encapsulated material</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/54" definition-exists="true" ipc-concordant="C09K8/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for <u>in situ</u> inhibition of corrosion in boreholes or wells</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/56" definition-exists="false" ipc-concordant="C09K8/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for consolidating loose sand or the like around wells without excessively decreasing the permeability thereof </text><reference><text>compositions for plastering borehole walls <class-ref scheme="cpc">C09K8/50</class-ref>; </text><CPC-specific-text><text>Soil-conditioning materials or soil-stabilising materials in general <class-ref scheme="cpc">C09K17/00</class-ref></text></CPC-specific-text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/565" definition-exists="false" ipc-concordant="C09K8/565" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/565</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil-based compositions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/57" definition-exists="false" ipc-concordant="C09K8/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/57</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions based on water or polar solvents </text><reference><text><class-ref scheme="cpc">C09K8/565</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/572" definition-exists="false" ipc-concordant="C09K8/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/572</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing inorganic compounds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/575" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/575</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/5751" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5751</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Macromolecular compounds </text><reference><text><class-ref scheme="cpc">C09K8/5756</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5753" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5753</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5755" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5755</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5756" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5756</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cross-linking agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/5758" definition-exists="false" ipc-concordant="C09K8/575" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/5758</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of natural origin, e.g. polysaccharides, cellulose </text><reference><text><class-ref scheme="cpc">C09K8/5756</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/58" definition-exists="true" ipc-concordant="C09K8/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/582" definition-exists="true" ipc-concordant="C09K8/582" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/582</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of bacteria</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/584" definition-exists="true" ipc-concordant="C09K8/584" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/584</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of specific surfactants</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/588" definition-exists="false" ipc-concordant="C09K8/588" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/588</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by the use of specific polymers </text><CPC-specific-text><reference><text>polymeric surfactants <class-ref scheme="cpc">C09K8/584</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/592" definition-exists="false" ipc-concordant="C09K8/592" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/592</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions used in combination with generated heat, e.g. by steam injection</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/594" definition-exists="true" ipc-concordant="C09K8/594" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K8/594</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Compositions used in combination with injected gas </text><CPC-specific-text><text>, e.g. CO<sub>2</sub> orcarbonated gas</text></CPC-specific-text><reference><text><class-ref scheme="cpc">C09K8/592</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K8/60" definition-exists="true" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for stimulating production by acting on the underground formation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/601" definition-exists="false" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/601</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using spacer compositions</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/602" definition-exists="true" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing surfactants</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/604" definition-exists="false" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/604</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polymeric surfactants</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/605" definition-exists="false" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing biocides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/607" definition-exists="true" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>specially adapted for clay formations</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/608" definition-exists="false" ipc-concordant="C09K8/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polymer compositions</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/62" definition-exists="true" ipc-concordant="C09K8/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for forming crevices or fractures</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/64" definition-exists="false" ipc-concordant="C09K8/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil-based compositions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/66" definition-exists="false" ipc-concordant="C09K8/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions based on water or polar solvents </text><reference><text><class-ref scheme="cpc">C09K8/64</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/665" definition-exists="true" ipc-concordant="C09K8/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing inorganic compounds </text><reference><text>proppants <class-ref scheme="cpc">C09K8/80</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/68" definition-exists="true" ipc-concordant="C09K8/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Documents classified in this group are also classified in groups <class-ref scheme="cpc">C09K8/88</class-ref> - <class-ref scheme="cpc">C09K8/905</class-ref> according to the specific compositions </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/685" definition-exists="false" ipc-concordant="C09K8/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cross-linking agents</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/70" definition-exists="true" ipc-concordant="C09K8/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their form or by the form of their components, e.g. foams</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/703" definition-exists="false" ipc-concordant="C09K8/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/703</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Foams</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/706" definition-exists="true" ipc-concordant="C09K8/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/706</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Encapsulated breakers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/72" definition-exists="true" ipc-concordant="C09K8/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Eroding chemicals, e.g. acids</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/725" definition-exists="false" ipc-concordant="C09K8/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compositions containing polymers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/74" definition-exists="true" ipc-concordant="C09K8/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>combined with additives added for specific purposes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/76" definition-exists="false" ipc-concordant="C09K8/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for preventing or reducing fluid loss</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/78" definition-exists="true" ipc-concordant="C09K8/78" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for preventing sealing</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/80" definition-exists="true" ipc-concordant="C09K8/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for reinforcing fractures, e.g. compositions of proppants used to keep the fractures open</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/805" definition-exists="false" ipc-concordant="C09K8/80" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coated proppants</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/82" definition-exists="false" ipc-concordant="C09K8/82" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/82</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil-based compositions </text><reference><text><class-ref scheme="cpc">C09K8/64</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/84" definition-exists="false" ipc-concordant="C09K8/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/84</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions based on water or polar solvents </text><reference><text><class-ref scheme="cpc">C09K8/66</class-ref>, <class-ref scheme="cpc">C09K8/82</class-ref> take precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/845" definition-exists="false" ipc-concordant="C09K8/84" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/845</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing inorganic compounds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/86" definition-exists="false" ipc-concordant="C09K8/86" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/86</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K8/88" definition-exists="false" ipc-concordant="C09K8/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>macromolecular compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/882" definition-exists="false" ipc-concordant="C09K8/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/882</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/885" definition-exists="false" ipc-concordant="C09K8/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/887" definition-exists="false" ipc-concordant="C09K8/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/887</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cross-linking agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K8/90" definition-exists="false" ipc-concordant="C09K8/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of natural origin, e.g. polysaccharides, cellulose</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K8/905" definition-exists="false" ipc-concordant="C09K8/90" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/905</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Biopolymers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K8/92" definition-exists="true" ipc-concordant="C09K8/92" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by their form or by the form of their components, e.g. encapsulated material </text><reference><text><class-ref scheme="cpc">C09K8/70</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K8/94" definition-exists="false" ipc-concordant="C09K8/94" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K8/94</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Foams</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K9/00" definition-exists="true" ipc-concordant="C09K9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-02-01" status="published"><classification-symbol>C09K9/00</classification-symbol><class-title date-revised="2020-02-01"><title-part><text>Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> When classifying in groups <class-ref scheme="cpc">C09K9/02</class-ref> the chemical nature of the tenebrescent material can be further indexed by using indexing codes chosen from <class-ref scheme="cpc">C09K2211/00</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K2211/188</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K9/02" definition-exists="false" ipc-concordant="C09K9/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K9/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic tenebrescent materials</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K11/00" definition-exists="true" ipc-concordant="C09K11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Luminescent, e.g. electroluminescent, chemiluminescent materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K11/01" definition-exists="false" ipc-concordant="C09K11/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Recovery of luminescent materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K11/02" definition-exists="false" ipc-concordant="C09K11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Use of particular materials as binders, particle coatings or suspension media therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/025" definition-exists="false" ipc-concordant="C09K11/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/025</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>non-luminescent particle coatings or suspension media</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K11/04" definition-exists="false" ipc-concordant="C09K11/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing natural or artificial radioactive elements or unspecified radioactive elements</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K11/06" definition-exists="false" ipc-concordant="C09K11/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/06</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>containing organic luminescent materials</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> <CPC-specific-note>When classifying in this group it is desirable to add the indexing codes of groups <class-ref scheme="cpc">C09K2211/00</class-ref> - <class-ref scheme="cpc">C09K2211/188</class-ref> relating to the chemical nature of the luminescent material</CPC-specific-note></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/07" definition-exists="false" ipc-concordant="C09K11/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having chemically interreactive components, e.g. reactive chemiluminescent compositions</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K11/08" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K11/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing inorganic luminescent materials</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">C09K11/08</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K11/897</class-ref>, in the absence of an indication to the contrary, classification of materials is made in the last appropriate place </note-paragraph><note-paragraph><CPC-specific-note> In this group, magnesium is considered as an alkaline earth metal </CPC-specific-note></note-paragraph></note><note type="warning"><note-paragraph warning-type="reclass-source"> Groups <class-ref scheme="cpc">C09K11/0805</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K11/0894</class-ref>, with the exception of <class-ref scheme="cpc">C09K11/0883</class-ref> for classifying nitrides, are no longer used for classification of new documents. The backlog of this group is being continuously reclassified to subgroups <class-ref scheme="cpc">C09K11/54</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K11/897</class-ref></note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0805" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0805</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0811" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/0811</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0816" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0816</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0822" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0822</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rare earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0827" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/0827</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/0805</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0833" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0838" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0844" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0844</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/085" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0855" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0855</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0861" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/0866" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/0872" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0872</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rare earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0877" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0877</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0883" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0883</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arsenides; Nitrides; Phosphides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0888" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0888</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/0894" definition-exists="false" ipc-concordant="C09K11/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/0894</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antimonates; Arsenates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/54" definition-exists="false" ipc-concordant="C09K11/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc or cadmium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/55" definition-exists="false" ipc-concordant="C09K11/55" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K11/55</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>containing beryllium, magnesium, alkali metals or alkaline earth metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/56" definition-exists="false" ipc-concordant="C09K11/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/562" definition-exists="false" ipc-concordant="C09K11/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/562</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/565" definition-exists="false" ipc-concordant="C09K11/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/565</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/567" definition-exists="false" ipc-concordant="C09K11/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/567</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/57" definition-exists="false" ipc-concordant="C09K11/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/57</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing manganese or rhenium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/572" definition-exists="false" ipc-concordant="C09K11/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/572</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/574" definition-exists="false" ipc-concordant="C09K11/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/574</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/576" definition-exists="false" ipc-concordant="C09K11/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/576</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/578" definition-exists="false" ipc-concordant="C09K11/57" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/578</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/58" definition-exists="false" ipc-concordant="C09K11/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing copper, silver or gold</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/582" definition-exists="false" ipc-concordant="C09K11/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/582</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/584" definition-exists="false" ipc-concordant="C09K11/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/584</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/586" definition-exists="false" ipc-concordant="C09K11/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>C09K11/586</classification-symbol><class-title date-revised="2015-10-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/588" definition-exists="false" ipc-concordant="C09K11/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/588</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/59" definition-exists="false" ipc-concordant="C09K11/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/59</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing silicon</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/592" definition-exists="false" ipc-concordant="C09K11/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/592</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/595" definition-exists="false" ipc-concordant="C09K11/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/595</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/597" definition-exists="false" ipc-concordant="C09K11/59" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/597</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/60" definition-exists="false" ipc-concordant="C09K11/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing iron, cobalt or nickel</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/602" definition-exists="false" ipc-concordant="C09K11/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/605" definition-exists="false" ipc-concordant="C09K11/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/607" definition-exists="false" ipc-concordant="C09K11/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/61" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/61</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing fluorine, chlorine, bromine, iodine or unspecified halogen elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/611" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/611</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/612" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/612</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/613" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/613</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkakine earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/615" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/615</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/616" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/616</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/617" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/617</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/618" definition-exists="false" ipc-concordant="C09K11/61" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/62" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/62</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing gallium, indium or thallium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/621" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/623" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/625" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/625</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/626" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/626</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/621</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/628" definition-exists="false" ipc-concordant="C09K11/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/63" definition-exists="false" ipc-concordant="C09K11/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/63</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/632" definition-exists="false" ipc-concordant="C09K11/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/632</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/634" definition-exists="false" ipc-concordant="C09K11/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/634</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/636" definition-exists="false" ipc-concordant="C09K11/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/636</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/638" definition-exists="false" ipc-concordant="C09K11/63" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/638</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/64" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/641" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/641</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/642" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/643" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/643</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/644" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/644</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/641</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/645" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/645</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/646" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/646</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/647" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/648" definition-exists="false" ipc-concordant="C09K11/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/648</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/65" definition-exists="false" ipc-concordant="C09K11/65" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/65</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing carbon </text><reference><text>in organic compounds <class-ref scheme="cpc">C09K11/06</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/655" definition-exists="false" ipc-concordant="C09K11/65" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/655</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/66" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/66</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing germanium, tin or lead</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/661" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/661</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/662" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/662</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/663" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/663</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/664" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/664</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/661</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/665" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/665</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/666" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/666</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/667" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/667</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/668" definition-exists="false" ipc-concordant="C09K11/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/668</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/67" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/67</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing refractory metals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/671" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/671</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/672" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/672</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/673" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/673</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/674" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/674</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/671</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/675" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/675</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/676" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/676</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/677" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/677</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/678" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/678</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/679" definition-exists="false" ipc-concordant="C09K11/67" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/679</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/68" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing chromium, molybdenum or tungsten</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/681" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/681</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/682" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/682</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/684" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/684</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/685" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/685</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/687" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/687</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/688" definition-exists="false" ipc-concordant="C09K11/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/688</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/69" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/69</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing vanadium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/691" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/691</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/693" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/693</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/695" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/695</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/696" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/696</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/698" definition-exists="false" ipc-concordant="C09K11/69" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/698</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/70" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/701" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/701</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/703" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/703</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/705" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/705</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/701</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/706" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/706</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/708" definition-exists="false" ipc-concordant="C09K11/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/708</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/71" definition-exists="false" ipc-concordant="C09K11/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/71</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>also containing alkaline earth metals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/712" definition-exists="false" ipc-concordant="C09K11/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/712</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/715" definition-exists="false" ipc-concordant="C09K11/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/715</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/717" definition-exists="false" ipc-concordant="C09K11/71" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/717</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/72" definition-exists="false" ipc-concordant="C09K11/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>also containing halogen, e.g. halophosphates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/722" definition-exists="false" ipc-concordant="C09K11/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/722</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/725" definition-exists="false" ipc-concordant="C09K11/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/727" definition-exists="false" ipc-concordant="C09K11/72" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/727</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/73" definition-exists="false" ipc-concordant="C09K11/73" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/73</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>also containing alkaline earth metals</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/74" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing arsenic, antimony or bismuth</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7407" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7414" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7421" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7421</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7428" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7428</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7407</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7435" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7442" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7442</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/745" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/745</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7457" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7457</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7464" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7471" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K11/7471</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7478" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7478</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7485" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7492" definition-exists="false" ipc-concordant="C09K11/74" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Arsenides; Nitrides; Phosphides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/75" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/75</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing antimony</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/751" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/751</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/752" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/752</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/753" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/753</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/755" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/755</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/751</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/756" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/756</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/757" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/757</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/758" definition-exists="false" ipc-concordant="C09K11/75" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/758</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vandates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/76" definition-exists="false" ipc-concordant="C09K11/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>also containing phosphorus and halogen, e.g. halophosphates</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/765" definition-exists="false" ipc-concordant="C09K11/76" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/765</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/77" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/77</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earth metals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7701" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7701</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7702" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7702</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7703" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7703</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7704" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7704</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7701</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7705" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7705</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7706" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7706</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7706</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77062</class-ref> - <class-ref scheme="cpc">C09K11/77068</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/77062" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77062</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77062</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7706</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/77064" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77064</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77064</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7706</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/77066" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77066</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77066</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7706</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/77067" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77067</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77067</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7706</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/77068" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77068</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77068</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7706</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7707" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7707</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7708" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7708</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7709" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7709</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/771" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/771</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7711" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7711</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7712" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7712</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7713" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7713</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7714" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7714</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antimonates; Arsenates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7715" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7715</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing cerium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7716" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7716</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7717" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7717</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7718" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7718</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7719" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7719</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7716</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/772" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/772</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7721" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7721</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7721</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77212</class-ref> - <class-ref scheme="cpc">C09K11/77218</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77212" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77212</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77212</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7721</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77214" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77214</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77214</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7721</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77216" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77216</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77216</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7721</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77217" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77217</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77217</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7721</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77218" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77218</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77218</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7721</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7722" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7722</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7723" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7723</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7724" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7724</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7725" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7725</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7726" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7726</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7727" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7727</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7728" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7728</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>containing europium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7729" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7729</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/773" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/773</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7731" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7731</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7732" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7732</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7733" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7733</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7734" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7734</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7734</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77342</class-ref> - <class-ref scheme="cpc">C09K11/77348</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77342" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77342</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77342</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7734</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77344" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77344</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77344</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7734</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77346" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77346</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77346</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7734</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77347" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77347</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77347</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7734</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77348" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77348</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77348</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7734</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7735" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7735</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7736" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7736</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7737" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7737</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7738" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7738</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7739" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7739</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/774" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/774</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7741" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7741</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7742" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7742</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antimonates; Arsenates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7743" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7743</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing terbium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7744" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7744</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7745" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7745</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7746" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7746</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7747" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7747</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7744</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7748" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7748</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7749" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7749</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7749</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77492</class-ref> - <class-ref scheme="cpc">C09K11/77498</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77492" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77492</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77492</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7749</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77494" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77494</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77494</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7749</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77496" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77496</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77496</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7749</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77497" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77497</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77497</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7749</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77498" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77498</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77498</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7749</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/775" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/775</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7751" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7751</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7752" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7752</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7753" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7753</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7754" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7754</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7755" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7755</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7756" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7756</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing neodynium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7757" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7757</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7758" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7758</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7759" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7759</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing samarium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/776" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/776</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7761" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7761</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7762" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7762</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/776</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7763" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7763</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7764" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7764</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aluminates; Silicates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7765" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7765</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7766" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7766</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>containing two or more rare earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7767" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7767</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7768" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7768</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7769" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7769</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxides </text><reference><text><class-ref scheme="cpc">C09K11/7768</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/777" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/777</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxyhalogenides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7771" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7771</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxysulfides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7772" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7772</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7767</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7773" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7773</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metal</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7774" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7774</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7774</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77742</class-ref> - <class-ref scheme="cpc">C09K11/77748</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77742" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77742</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77742</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7774</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77744" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77744</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77744</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7774</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77746" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77746</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77746</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7774</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77747" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77747</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77747</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7774</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77748" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77748</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77748</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7774</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7775" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7775</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7776" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7776</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7777" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7777</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7778" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7778</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7779" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7779</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with halogens</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/778" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/778</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7781" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7781</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7782" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7782</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antimonates; Arsenates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/7783" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7783</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing two or more rare earth metals one of which being europium</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7784" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7784</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7785" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7785</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7786" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7786</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7787" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7787</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Oxides </text><reference><text><class-ref scheme="cpc">C09K11/7785</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7788" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7788</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxyhalogenides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K11/7789" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7789</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Oxysulfides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/779" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/779</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/7784</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7791" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K11/7791</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>with alkali or alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7792" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/7792</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K11/7792</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K11/77922</class-ref> - <class-ref scheme="cpc">C09K11/77928</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77922" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77922</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77922</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7792</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77924" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77924</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminosilicates</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77924</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7792</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77926" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77926</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Aluminium Nitrides or Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77926</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7792</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77927" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77927</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Nitrides or Silicon Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77927</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7792</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/77928" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K11/77928</classification-symbol><class-title date-revised="2021-01-01"><title-part><CPC-specific-text><text>Silicon Aluminium Nitrides or Silicon Aluminium Oxynitrides</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K11/77928</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K11/7792</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7793" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7793</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Germanates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7794" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7794</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Vanadates; Chromates; Molybdates; Tungstates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7795" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7795</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phosphates</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K11/7796" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7796</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7797" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7797</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/7798" definition-exists="false" ipc-concordant="C09K11/77" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/7798</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antimonates; Arsenates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/87" definition-exists="false" ipc-concordant="C09K11/87" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/87</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing platina group metals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/873" definition-exists="false" ipc-concordant="C09K11/87" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/873</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/876" definition-exists="false" ipc-concordant="C09K11/87" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/88" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/88</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing selenium, tellurium or unspecified chalcogen elements</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/881" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/881</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/883" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/883</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with zinc or cadmium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/885" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkaline earth metals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/886" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/886</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with rare earth metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/888" definition-exists="false" ipc-concordant="C09K11/88" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/888</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Borates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K11/89" definition-exists="false" ipc-concordant="C09K11/89" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/89</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing mercury</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/892" definition-exists="false" ipc-concordant="C09K11/89" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/892</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K11/895" definition-exists="false" ipc-concordant="C09K11/89" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/895</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Halogenides </text><reference><text><class-ref scheme="cpc">C09K11/892</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K11/897" definition-exists="false" ipc-concordant="C09K11/89" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K11/897</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with alkali or alkaline metals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K13/00" definition-exists="true" ipc-concordant="C09K13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Etching, surface-brightening or pickling compositions </text><reference><text>for glass <class-ref scheme="cpc">C03C15/00</class-ref>, </text><CPC-specific-text><text><class-ref scheme="cpc">C03C25/66</class-ref>; for mortars, concrete, artificial or natural stone or ceramics <class-ref scheme="cpc">C04B41/5338</class-ref></text></CPC-specific-text><text> ; for metallic material <class-ref scheme="cpc">C23F</class-ref>, <class-ref scheme="cpc">C23G1/00</class-ref>, <class-ref scheme="cpc">C25F1/00</class-ref>; </text><CPC-specific-text><text>for semi-conductors <class-ref scheme="cpc">H01L</class-ref></text></CPC-specific-text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">C09K13/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K13/12</class-ref>, in the absence of an indication to the contrary, materials are classified in the last appropriate place. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K13/02" definition-exists="false" ipc-concordant="C09K13/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an alkali metal hydroxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K13/04" definition-exists="false" ipc-concordant="C09K13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an inorganic acid</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K13/06" definition-exists="false" ipc-concordant="C09K13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with organic material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K13/08" definition-exists="false" ipc-concordant="C09K13/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a fluorine compound</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K13/10" definition-exists="false" ipc-concordant="C09K13/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a boron compound</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K13/12" definition-exists="false" ipc-concordant="C09K13/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K13/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing heavy metal salts in an amount of at least 50% of the non-solvent components</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K15/00" definition-exists="true" ipc-concordant="C09K15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K15/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Anti-oxidant compositions</text></title-part><title-part><text>Compositions inhibiting chemical change </text><reference><CPC-specific-text><text>for use in well-specified applications, <u>see</u> the relevant places, e.g. in etching or pickling compositions <class-ref scheme="cpc">C09K13/00</class-ref>, <class-ref scheme="cpc">C23G</class-ref></text></CPC-specific-text><text> , in foodstuffs <class-ref scheme="cpc">A21D</class-ref>, <class-ref scheme="cpc">A23</class-ref>, </text><CPC-specific-text><text>in association with organic compounds <class-ref scheme="cpc">C07C</class-ref>, <class-ref scheme="cpc">C07D</class-ref></text></CPC-specific-text><text> , in macromolecular compositions <class-ref scheme="cpc">C08</class-ref>; in liquid fuels or lubricants <class-ref scheme="cpc">C10</class-ref>; in fats, fatty substances, fatty oils or waxes <class-ref scheme="cpc">C11B5/00</class-ref>; in detergents <class-ref scheme="cpc">C11D</class-ref>; </text><CPC-specific-text><text>coating or impregnating carbon or graphite based bodies to protect them from oxidation <class-ref scheme="cpc">C04B41/45</class-ref></text></CPC-specific-text><text> ; corrosion inhibiting compositions for metallic material <class-ref scheme="cpc">C23F11/00</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">C09K15/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K15/34</class-ref>, in the absence of an indication to the contrary, a composition is classified in the last appropriate place. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K15/02" definition-exists="false" ipc-concordant="C09K15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing inorganic compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K15/04" definition-exists="false" ipc-concordant="C09K15/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/06" definition-exists="false" ipc-concordant="C09K15/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/08" definition-exists="false" ipc-concordant="C09K15/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a phenol or quinone moiety</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/10" definition-exists="false" ipc-concordant="C09K15/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/12" definition-exists="false" ipc-concordant="C09K15/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur and oxygen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/14" definition-exists="false" ipc-concordant="C09K15/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a phenol or quinone moiety</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/16" definition-exists="false" ipc-concordant="C09K15/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/18" definition-exists="false" ipc-concordant="C09K15/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an amine or imine moiety</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/20" definition-exists="false" ipc-concordant="C09K15/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen and oxygen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/22" definition-exists="false" ipc-concordant="C09K15/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an amide or imide moiety</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/24" definition-exists="false" ipc-concordant="C09K15/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing a phenol or quinone moiety</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/26" definition-exists="false" ipc-concordant="C09K15/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen and sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/28" definition-exists="false" ipc-concordant="C09K15/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen, oxygen and sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/30" definition-exists="false" ipc-concordant="C09K15/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing heterocyclic ring with at least one nitrogen atom as ring member</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K15/32" definition-exists="false" ipc-concordant="C09K15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing </text><CPC-specific-text><text>two or more of</text></CPC-specific-text><text> boron, silicon, phosphorus, selenium, tellurium or a metal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/322" definition-exists="false" ipc-concordant="C09K15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing only phosphorus</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K15/324" definition-exists="false" ipc-concordant="C09K15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing phosphorus and sulfur</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/326" definition-exists="false" ipc-concordant="C09K15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing only metals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K15/328" definition-exists="false" ipc-concordant="C09K15/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing boron, silicon, selenium or tellurium</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K15/34" definition-exists="false" ipc-concordant="C09K15/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K15/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing plant or animal materials of unknown composition</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K17/00" definition-exists="true" ipc-concordant="C09K17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Soil-conditioning materials or soil-stabilising materials </text><reference><text>specially adapted for boreholes or wells <class-ref scheme="cpc">C09K8/00</class-ref>; fertilisers <class-ref scheme="cpc">C05</class-ref>; consolidating by placing solidifying or pore-filling substances in the soil <class-ref scheme="cpc">E02D3/12</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> This group <u>covers</u> mixtures of soil-conditioning or soil-stabilising materials with fertilisers characterised by their soil-conditioning or soil-stabilising activity. </note-paragraph><note-paragraph> This group <u>does not cover</u> mixtures of soil-conditioning or soil-stabilising materials with fertilisers characterised by their fertilising activity which are covered by subclass <class-ref scheme="cpc">C05G</class-ref>. </note-paragraph><note-paragraph>For the purpose of classification in this group, the presence of fertilisers in the composition is not taken into account.</note-paragraph><note-paragraph> In groups <class-ref scheme="cpc">C09K17/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K17/50</class-ref>, in the absence of an indication to the contrary, materials are classified in the last appropriate place. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K17/02" definition-exists="false" ipc-concordant="C09K17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing inorganic compounds only</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/04" definition-exists="false" ipc-concordant="C09K17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied in a physical form other than a solution or a grout, e.g. as granules or gases</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/045" definition-exists="false" ipc-concordant="C09K17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>applied as gases</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/06" definition-exists="false" ipc-concordant="C09K17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Calcium compounds, e.g. lime</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/08" definition-exists="true" ipc-concordant="C09K17/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aluminium compounds, e.g. aluminium hydroxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/10" definition-exists="false" ipc-concordant="C09K17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cements, e.g. Portland cement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/12" definition-exists="false" ipc-concordant="C09K17/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water-soluble silicates, e.g. waterglass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K17/14" definition-exists="false" ipc-concordant="C09K17/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic compounds only</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/16" definition-exists="true" ipc-concordant="C09K17/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>applied in a physical form other than a solution or a grout, e.g. as platelets or granules</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/18" definition-exists="false" ipc-concordant="C09K17/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Prepolymers</text></title-part><title-part><text>Macromolecular compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/20" definition-exists="false" ipc-concordant="C09K17/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Vinyl polymers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K17/22" definition-exists="true" ipc-concordant="C09K17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyacrylates</text></title-part><title-part><text>Polymethacrylates</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/24" definition-exists="false" ipc-concordant="C09K17/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/24</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 breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K17/26" definition-exists="false" ipc-concordant="C09K17/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phenol-aldehyde condensation polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K17/28" definition-exists="false" ipc-concordant="C09K17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Urea-aldehyde condensation polymers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/30" definition-exists="false" ipc-concordant="C09K17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyisocyanates</text></title-part><title-part><text>Polyurethanes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/32" definition-exists="true" ipc-concordant="C09K17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of natural origin, e.g. cellulosic materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/34" definition-exists="false" ipc-concordant="C09K17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bituminous materials</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/36" definition-exists="false" ipc-concordant="C09K17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compounds having one or more carbon-to-silicon linkages</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/38" definition-exists="false" ipc-concordant="C09K17/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Siloxanes</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K17/40" definition-exists="false" ipc-concordant="C09K17/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing mixtures of inorganic and organic compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/42" definition-exists="true" ipc-concordant="C09K17/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds mixed with organic active ingredients, e.g. accelerators</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/44" definition-exists="false" ipc-concordant="C09K17/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inorganic compound being cement</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/46" definition-exists="false" ipc-concordant="C09K17/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the inorganic compound being a water-soluble silicate</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K17/48" definition-exists="false" ipc-concordant="C09K17/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic compounds mixed with inorganic active ingredients, e.g. polymerisation catalysts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K17/50" definition-exists="false" ipc-concordant="C09K17/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the organic compound being of natural origin, e.g. cellulose derivatives</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K17/52" definition-exists="true" ipc-concordant="C09K17/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K17/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mulches</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K19/00" definition-exists="true" ipc-concordant="C09K19/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K19/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Liquid crystal materials</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">C09K19/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/60</class-ref>, <CPC-specific-note> with the exception of groups <class-ref scheme="cpc">C09K19/0208</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/0283</class-ref></CPC-specific-note> ,in the absence of an indication to the contrary, materials are classified in the last appropriate place. </note-paragraph><note-paragraph> Mixtures containing two or more liquid crystal compounds covered individually by the same one of groups <class-ref scheme="cpc">C09K19/04</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/40</class-ref> are classified only in that group. </note-paragraph><note-paragraph> If liquid crystal components of the mixtures classified in groups <class-ref scheme="cpc">C09K19/42</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/50</class-ref> are of importance as such, they should also be classified according to the compounds in groups <class-ref scheme="cpc">C09K19/04</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/40</class-ref>. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K19/02" definition-exists="true" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by optical, electrical or physical properties of the components, in general</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0208" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Twisted Nematic (T.N.); Super Twisted Nematic (S.T.N.); Optical Mode Interference (O.M.I.)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0216" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Super Birefringence Effect (S.B.E.); Electrically Controlled Birefringence (E.C.B.)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0225" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ferroelectric</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0233" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electroclinic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0241" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ferrielectric; Ferromagnetic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/025" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ferronematic; Ferrosmetic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0258" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flexoelectric</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0266" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Antiferroelectrics</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0275" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Blue phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0283" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cubic phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0291" definition-exists="false" ipc-concordant="C09K19/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>anticlinic</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K19/04" definition-exists="true" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K19/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>characterised by the chemical structure of the liquid crystal components </text><CPC-specific-text><text>, e.g. by a specific unit</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0403" definition-exists="true" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0403</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the structure containing one or more specific, optionally substituted ring or ring systems</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0407" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0407</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a carbocyclic ring, e.g. dicyano-benzene, chlorofluoro-benzene or cyclohexanone</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0411" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a chlorofluoro-benzene, e.g. 2-chloro-3-fluoro-phenylene-1,4-diyl</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0414" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0414</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a heterocyclic ring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0418" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a dendromer structure; Dendritic liquid crystals</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/0422" definition-exists="true" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/0422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sugars </text><reference><text>polysaccharides <class-ref scheme="cpc">C09K19/3819</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/0425" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by a specific unit that results in a functional effect</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0429" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the specific unit being a carbocyclic or heterocyclic discotic unit</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0433" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the specific unit being a luminescent or electroluminescent unit</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0437" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0437</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the specific unit being an optically active chain used as linking group between rings or as end group</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/044" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the specific unit being a perfluoro chain used as an end group</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/0444" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by a linking chain between rings or ring systems, a bridging chain between extensive mesogenic moieties or an end chain group</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0448" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0448</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0451" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0451</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the end chain group being a CH<sub>3</sub>CH=CHCH<sub>2</sub>CH<sub>2</sub>- chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0455" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CF<sub>2</sub>CF<sub>2</sub>- , -CF<sub>2</sub>CF<sub>2</sub>CF<sub>2</sub>CF<sub>2</sub>- or -CH<sub>2</sub>CF<sub>2</sub>CF<sub>2</sub>CH<sub>2</sub>- chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0459" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0459</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CF=CF- chain, e.g. 1,2-difluoroethen-1,2-diyl</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0462" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CF<sub>2</sub>CF<sub>2</sub>O- chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0466" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CF<sub>2</sub>O- chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/047" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CH<sub>2</sub>CF<sub>2</sub>O- chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0474" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0474</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the linking chain being a -CHFO- chain</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/0477" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by the positioning of substituents on phenylene</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0481" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phenylene substituted in meta position</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0485" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0485</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Phenylene substituted in ortho position</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/0488" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterized by a special bonding</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0492" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0492</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the special bonding being an hydrogen bond</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K19/0496" definition-exists="false" ipc-concordant="C09K19/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/0496</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the special bonding being a specific pi-conjugated group</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/06" definition-exists="true" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-steroidal liquid crystal compounds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/061" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Linear compounds without any rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/062" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one non-condensed benzene ring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/063" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one non-condensed saturated non-aromatic ring, e.g. cyclohexane ring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/065" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one non-condensed unsaturated non-aromatic ring, e.g. cyclohexene ring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/066" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one heterocyclic ring having oxygen as heteroatom</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/067" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/067</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one heterocyclic ring having nitrogen as heteroatom</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/068" definition-exists="false" ipc-concordant="C09K19/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing one heterocyclic ring having sulfur as heteroatom</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/08" definition-exists="true" ipc-concordant="C09K19/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing at least two non-condensed rings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/10" definition-exists="true" ipc-concordant="C09K19/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing at least two benzene rings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/12" definition-exists="true" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least two benzene rings directly linked, e.g. biphenyls</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/121" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/121</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing phenylene-1,4-diyl (-Ph-)</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/122" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/123" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/123</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/124" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/125" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-Ph-Ph or more Ph rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/126" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing at least one asymmetric carbon atom</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/127" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing phenylene-1,3-diyl</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/128" definition-exists="false" ipc-concordant="C09K19/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/128</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing phenylene-1,2-diyl</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/14" definition-exists="false" ipc-concordant="C09K19/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linked by a carbon chain</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/16" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the chain containing carbon-to-carbon double bonds, e.g. stilbenes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/161" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/161</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/163" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/163</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/165" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/165</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-CH=CH-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/166" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/168" definition-exists="false" ipc-concordant="C09K19/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-CH=CH-Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/18" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the chain containing carbon-to-carbon triple bonds, e.g. tolans</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/181" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/181</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/183" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/183</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-Ph-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/185" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/185</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-Ph-C&#8801;C-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/186" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/186</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-C&#8801;C-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/188" definition-exists="false" ipc-concordant="C09K19/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/188</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-C&#8801;C-Ph-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/20" definition-exists="true" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linked by a chain containing carbon and oxygen atoms as chain links, e.g. esters </text><CPC-specific-text><text>or ethers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/2007" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/2007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the chain containing -COO- or -OCO- groups</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/2014" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/2014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing additionally a linking group other than -COO- or -OCO-, e.g. -CH2-CH2-, -CH=CH-, -C=C-; containing at least one additional carbon atom in the chain containing -COO- or -OCO- groups, e.g. -(CH2)m-COO-(CH2)n-</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/2021" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/2021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing at least one asymmetric carbon atom</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="15" additional-only="false" sort-key="C09K19/2028" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/2028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing additionally a linking group other than -COO- or -OCO-, e.g. -CH<sub>2</sub>-CH<sub>2</sub>-, -CH=CH-, -C=C-; containing at least one additional carbon atom in the chain containing -COO- or -OCO- groups, e.g. -COO-CH*-CH<sub>3</sub></text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2035" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2042" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/205" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/205</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2057" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-Ph-COO-Ph, or more Ph rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2064" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-COO-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2071" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Ph-Ph-COO-Ph-Ph, or more Ph rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2078" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-COO-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2085" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/2085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-CH=CH-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/2092" definition-exists="false" ipc-concordant="C09K19/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/2092</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Ph-C&#8801;C-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/22" definition-exists="false" ipc-concordant="C09K19/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linked by a chain containing carbon and nitrogen atoms as chain links, e.g. Schiff bases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/24" definition-exists="false" ipc-concordant="C09K19/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linked by a chain containing nitrogen-to-nitrogen bonds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/26" definition-exists="false" ipc-concordant="C09K19/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Azoxy compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/28" definition-exists="false" ipc-concordant="C09K19/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>linked by a chain containing carbon and sulfur atoms as chain links, e.g. thioesters</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/30" definition-exists="true" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing saturated or unsaturated non-aromatic rings, e.g. cyclohexane rings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3001" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cyclohexane rings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3003" definition-exists="true" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing at least two rings in which the different rings are directly linked (covalent bond)</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3004" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3006" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3007" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy-Cy or more Cy rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3009" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/301" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/301</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3012" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3012</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy-Ph, or more Cy rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3013" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3013</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3015" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3015</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3016" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3016</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3018" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3019" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3019</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3021" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3022" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3024" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ph-Cy-Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3025" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3027" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds comprising 1,4-cyclohexylene and 2,3-difluoro-1,4-phenylene</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3028" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which at least two rings are linked by a carbon chain containing carbon to carbon single bonds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/303" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/303</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-C<sub>2</sub>H<sub>4</sub>-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3031" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3031</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3033" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3033</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3034" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3034</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Cy-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3036" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3036</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-C<sub>2</sub>H<sub>4</sub>-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3037" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3037</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3039" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3039</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/304" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/304</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-C<sub>2</sub>H<sub>4</sub>-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3042" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3042</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3043" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3043</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Cy-C<sub>2</sub>H<sub>4</sub>-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3045" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3045</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-Ph-C<sub>2</sub>H<sub>4</sub>-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3046" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2019/3046</classification-symbol><class-title date-revised="2016-08-01"><title-part><CPC-specific-text><text>Cy-C<sub>2</sub>H<sub>4</sub>-Ph-C<sub>2</sub>H<sub>4</sub>-Cy</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3048" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which at least two rings are linked by a carbon chain containing carbon to carbon double bonds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/305" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/305</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-CH=CH-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3051" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3051</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-CH=CH-Cy-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3053" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3053</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3054" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3056" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3056</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3057" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-Ph-CH=CH-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3059" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3059</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which at least two rings are linked by a carbon chain containing carbon to carbon triple bonds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/306" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/306</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Cy-C&#8801;C-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3062" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/3062</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Cy-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3063" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/3063</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Cy-Ph-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3065" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C09K2019/3065</classification-symbol><class-title date-revised="2017-08-01"><title-part><CPC-specific-text><text>Cy-Ph-Ph-C&#8801;C-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3066" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3066</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the rings are linked by a chain containing carbon and oxygen atoms, e.g. esters or ethers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/3068" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3068</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>chain containing -COO- or -OCO- groups</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3069" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3069</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-COO-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3071" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-COO-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3072" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-Cy-COO-Cy, or more Cy rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3074" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3074</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-COO-Cy-Cy, or more Cy rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3075" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3077" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3077</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3078" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-COO-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/308" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/308</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Cy-COO-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3081" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-COO-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3083" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-COO-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="15" additional-only="true" sort-key="C09K19/3084" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3084</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-COO-Ph-Cy</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3086" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which at least two rings are linked by a chain containing nitrogen atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3087" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which at least two rings are linked by a chain containing sulfur atoms</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3089" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3089</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-S-Cy</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/309" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/309</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-S-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3092" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-S-Ph-Ph</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="14" additional-only="true" sort-key="C09K19/3093" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3093</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cy-Ph-S-Ph</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3095" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in which the end group is the monoterpene menthyl</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/3096" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3096</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cyclobutane rings</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3098" definition-exists="false" ipc-concordant="C09K19/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3098</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Unsaturated non-aromatic rings, e.g. cyclohexene rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/32" definition-exists="true" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing condensed ring systems, i.e. fused, bridged or spiro ring systems</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/321" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/321</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing a bicyclo [2,2,2] octane ring</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/322" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Compounds containing a naphthalene ring or a completely or partially hydrogenated naphthalene ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/323" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a binaphthyl</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/324" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a dihydronaphthalene</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/325" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a tetrahydronaphthalene, e.g. -2,6-diyl (tetralin)</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/326" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a decahydronaphthalene, e.g. -2,6-diyl (decalin)</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K19/327" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/327</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a spiro ring system</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K19/328" definition-exists="false" ipc-concordant="C09K19/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a triphenylene ring system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/34" definition-exists="true" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing at least one heterocyclic ring</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3402" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having oxygen as hetero atom </text><reference><text>sugars <class-ref scheme="cpc">C09K19/0422</class-ref></text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3405" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a five-membered ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3408" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Five-membered ring with oxygen(s) in fused, bridged or spiro ring systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3411" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a three-membered ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3413" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3413</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Three-membered member ring with oxygen(s), e.g. oxirane in fused, bridged or spiro ring systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/3416" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3416</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a four-membered ring, e.g. oxetane</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3419" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3419</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Four-membered ring with oxygen(s), e.g. oxetane, in fused, bridged or spiro ring systems</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/3422" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3422</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a six-membered ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3425" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Six-membered ring with oxygen(s) in fused, bridged or spiro ring systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3427" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3427</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Six-membered ring with 3 or more oxygen atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/343" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/343</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a seven-membered ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3433" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3433</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Seven-membered ring with oxygen(s) in fused, bridged or spiro ring systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C09K19/3436" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3436</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Seven-membered ring with 3 or more oxygen atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K19/3438" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/3438</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Crown ethers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3441" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having nitrogen as hetero atom</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3444" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3444</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a six-membered aromatic ring containing one nitrogen atom, e.g. pyridine</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3447" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyridine condensed or bridged with another ring system, e.g. quinoline or acridine</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/345" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a six-membered aromatic ring containing two nitrogen atoms</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3452" definition-exists="true" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3452</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrazine</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3455" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3455</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyridazine</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3458" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Uncondensed pyrimidines</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/3461" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3461</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrimidine-tolane</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/3463" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3463</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrimidine with a carbon chain containing at least one asymmetric carbon atom, i.e. optically active pyrimidines</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/3466" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3466</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrimidine with at least another heterocycle in the chain</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="14" additional-only="false" sort-key="C09K19/3469" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3469</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrimidine with a specific end-group other than alkyl, alkoxy or -C*-</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3472" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3472</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pyrimidine condensed or bridged with another ring system</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3475" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a six-membered aromatic ring containing at least three nitrogen atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3477" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3477</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a five-membered aromatic ring containing at least one nitrogen atom</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/348" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/348</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing at least two nitrogen atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3483" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3483</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring being a non-aromatic ring</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3486" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3486</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring containing nitrogen and oxygen atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3488" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring having more than 6 members, e.g. macrocycles, phthalocyanines</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3491" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3491</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having sulfur as hetero atom</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3494" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring containing sulfur and oxygen atoms</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3497" definition-exists="false" ipc-concordant="C09K19/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3497</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the heterocyclic ring containing sulfur and nitrogen atoms</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/36" definition-exists="true" ipc-concordant="C09K19/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Steroidal liquid crystal compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/38" definition-exists="true" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/3804" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3804</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mesogenic groups in the main chain</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3809" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3809</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyesters; Polyester derivatives, e.g. polyamides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3814" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3814</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyethers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3819" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3819</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polysaccharides or derivatives thereof</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3823" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3823</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing heterocycles having at least one nitrogen as ring hetero atom</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3828" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3828</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing triazine rings</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/3833" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3833</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with mesogenic groups in the side chain</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3838" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3838</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyesters; Polyester derivatives</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3842" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3842</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyvinyl derivatives</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3847" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3847</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyvinylethers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/3852" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3852</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Poly(meth)acrylate derivatives</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3857" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3857</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing at least one asymmetric carbon atom</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3861" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3861</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing condensed ring systems</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3866" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3866</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing steroid groups</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C09K19/3871" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3871</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing amino acid derivatives</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3876" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3876</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyoxyalkylene polymers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C09K19/388" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/388</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyepoxides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3885" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3885</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyurethanes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/389" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/389</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polypeptides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/3895" definition-exists="false" ipc-concordant="C09K19/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/3895</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing two or more mesogenic groups per monomer unit, e.g. polyitaconates, polymaleates</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/40" definition-exists="true" ipc-concordant="C09K19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen or sulfur, e.g. silicon, metals</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/402" definition-exists="false" ipc-concordant="C09K19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/402</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing deuterium</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/404" definition-exists="false" ipc-concordant="C09K19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/404</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing boron or phosphorus</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/406" definition-exists="false" ipc-concordant="C09K19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing silicon</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/408" definition-exists="false" ipc-concordant="C09K19/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/408</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polysiloxanes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/42" definition-exists="true" ipc-concordant="C09K19/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K19/42</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Mixtures of liquid crystal compounds covered by two or more of the preceding groups <class-ref scheme="cpc">C09K19/06</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K19/40</class-ref></text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/44" definition-exists="true" ipc-concordant="C09K19/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing compounds with benzene rings directly linked</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/46" definition-exists="true" ipc-concordant="C09K19/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing esters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/48" definition-exists="true" ipc-concordant="C09K19/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing Schiff bases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/50" definition-exists="true" ipc-concordant="C09K19/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing steroidal liquid crystal compounds</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K19/52" definition-exists="true" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by components which are not liquid crystals, e.g. additives </text><CPC-specific-text><text>with special physical aspect: solvents, solid particles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/521" definition-exists="false" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/521</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Inorganic solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/523" definition-exists="false" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/523</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Organic solid particles</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/525" definition-exists="false" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/525</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solvents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/526" definition-exists="false" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/526</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Gelling agents</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K19/528" definition-exists="false" ipc-concordant="C09K19/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/528</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Surfactants</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/54" definition-exists="false" ipc-concordant="C09K19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives having no specific mesophase </text><CPC-specific-text><text>characterised by their chemical composition</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/542" definition-exists="false" ipc-concordant="C09K19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/542</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Macromolecular compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/544" definition-exists="false" ipc-concordant="C09K19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/544</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>as dispersing or encapsulating medium around the liquid crystal</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K19/546" definition-exists="false" ipc-concordant="C09K19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/546</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>creating a polymeric network</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K19/548" definition-exists="false" ipc-concordant="C09K19/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2019/548</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>stabilizing the alignment; Polymer stabilized alignment</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/56" definition-exists="true" ipc-concordant="C09K19/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/56</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aligning agents</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/58" definition-exists="false" ipc-concordant="C09K19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dopants or charge transfer agents</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/582" definition-exists="false" ipc-concordant="C09K19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/582</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Electrically active dopants, e.g. charge transfer agents</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/584" definition-exists="false" ipc-concordant="C09K19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/584</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a condensed ring system; macrocyclic compounds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/586" definition-exists="false" ipc-concordant="C09K19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/586</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Optically active dopants; chiral dopants</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C09K19/588" definition-exists="false" ipc-concordant="C09K19/58" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/588</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heterocyclic compounds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K19/60" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pleochroic dyes</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/601" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/601</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Azoic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/603" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/603</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Anthroquinonic</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/605" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Azomethine dyes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/606" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Perylene dyes</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C09K19/608" definition-exists="false" ipc-concordant="C09K19/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K19/608</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quinoxaline dyes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K21/00" definition-exists="true" ipc-concordant="C09K21/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C09K21/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fireproofing materials </text><reference><text>for use in a particular application, <u>see</u> the relevant places, e.g. fireproofing of wood <class-ref scheme="cpc">B27K</class-ref>, of polymers <class-ref scheme="cpc">C08</class-ref>, of textiles <class-ref scheme="cpc">D06M</class-ref>, of paper <class-ref scheme="cpc">D21H</class-ref>; fireproof paints <class-ref scheme="cpc">C09D5/18</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> In groups <class-ref scheme="cpc">C09K21/02</class-ref>&#160;-&#160;<class-ref scheme="cpc">C09K21/14</class-ref>, in the absence of an indication to the contrary, materials are classified in the last appropriate place. </note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K21/02" definition-exists="false" ipc-concordant="C09K21/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K21/04" definition-exists="false" ipc-concordant="C09K21/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K21/06" definition-exists="false" ipc-concordant="C09K21/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K21/08" definition-exists="false" ipc-concordant="C09K21/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing halogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K21/10" definition-exists="false" ipc-concordant="C09K21/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K21/12" definition-exists="false" ipc-concordant="C09K21/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K21/14" definition-exists="false" ipc-concordant="C09K21/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K21/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular materials</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C09K23/00" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Use of substances as emulsifying, wetting, dispersing, or foam-producing agents</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-source">Group <class-ref scheme="cpc">C09K23/00</class-ref> is impacted by reclassification into groups <class-ref scheme="cpc">C09K23/005</class-ref>, <class-ref scheme="cpc">C09K23/02</class-ref>, <class-ref scheme="cpc">C09K23/04</class-ref>, <class-ref scheme="cpc">C09K23/06</class-ref>, <class-ref scheme="cpc">C09K23/08</class-ref>, <class-ref scheme="cpc">C09K23/10</class-ref>, <class-ref scheme="cpc">C09K23/12</class-ref>, <class-ref scheme="cpc">C09K23/14</class-ref>, <class-ref scheme="cpc">C09K23/16</class-ref>, <class-ref scheme="cpc">C09K23/18</class-ref>, <class-ref scheme="cpc">C09K23/20</class-ref>, <class-ref scheme="cpc">C09K23/22</class-ref>, <class-ref scheme="cpc">C09K23/24</class-ref>, <class-ref scheme="cpc">C09K23/26</class-ref>, <class-ref scheme="cpc">C09K23/28</class-ref>, <class-ref scheme="cpc">C09K23/30</class-ref>, <class-ref scheme="cpc">C09K23/32</class-ref>, <class-ref scheme="cpc">C09K23/34</class-ref>, <class-ref scheme="cpc">C09K23/36</class-ref>, <class-ref scheme="cpc">C09K23/38</class-ref>, <class-ref scheme="cpc">C09K23/40</class-ref>, <class-ref scheme="cpc">C09K23/42</class-ref>, <class-ref scheme="cpc">C09K23/44</class-ref>, <class-ref scheme="cpc">C09K23/46</class-ref>, <class-ref scheme="cpc">C09K23/48</class-ref>, <class-ref scheme="cpc">C09K23/50</class-ref>, <class-ref scheme="cpc">C09K23/52</class-ref>, <class-ref scheme="cpc">C09K23/54</class-ref> and <class-ref scheme="cpc">C09K23/56</class-ref>.<br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/002" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/002</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Inorganic compounds</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/003" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/003</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Organic compounds containing only carbon and hydrogen</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/005" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/005</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Organic compounds containing selenium or tellurium</text></CPC-specific-text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/005</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/005</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/007" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/007</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Organic compounds containing halogen</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/017" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/017</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Mixtures of compounds</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/018" definition-exists="false" ipc-concordant="C09K23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/018</classification-symbol><class-title date-revised="2022-01-01"><title-part><CPC-specific-text><text>Mixtures of two or more different organic oxygen-containing compounds</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/02" definition-exists="false" ipc-concordant="C09K23/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/02</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Alkyl sulfonates or sulfuric acid ester salts derived from monohydric alcohols</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/02</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/02</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/04" definition-exists="false" ipc-concordant="C09K23/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/04</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Sulfonates or sulfuric acid ester salts derived from polyhydric alcohols or amino alcohols or derivatives thereof </text><reference><text>sulfated or sulfonated fatty oils <class-ref scheme="cpc">C09K23/08</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/04</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/04</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/06" definition-exists="false" ipc-concordant="C09K23/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/06</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Esters of higher fatty acids with hydroxyalkylated sulfonic acids or salts thereof</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/06</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/06</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/08" definition-exists="false" ipc-concordant="C09K23/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/08</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Sulfation or sulfonation products of fats, oils, waxes, or higher fatty acids or esters thereof with monovalent alcohols</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/08</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/08</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/10" definition-exists="false" ipc-concordant="C09K23/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/10</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/10</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/10</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/12" definition-exists="false" ipc-concordant="C09K23/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/12</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Sulfonates of aromatic or alkylated aromatic compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/12</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/12</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/14" definition-exists="false" ipc-concordant="C09K23/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/14</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Derivatives of phosphoric acid</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/14</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Group <class-ref scheme="cpc">C09K23/14</class-ref> is also impacted by reclassification into group <class-ref scheme="cpc">C09K23/20</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/14</class-ref> and <class-ref scheme="cpc">C09K23/20</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/16" definition-exists="false" ipc-concordant="C09K23/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/16</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Amines or polyamines</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/16</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Group <class-ref scheme="cpc">C09K23/16</class-ref> is also impacted by reclassification into group <class-ref scheme="cpc">C09K23/30</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/16</class-ref> and <class-ref scheme="cpc">C09K23/30</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/18" definition-exists="false" ipc-concordant="C09K23/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/18</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Quaternary ammonium compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/18</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/18</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/20" definition-exists="false" ipc-concordant="C09K23/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/20</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Phosphonium and sulfonium compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/20</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/14</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/14</class-ref> and <class-ref scheme="cpc">C09K23/20</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/22" definition-exists="false" ipc-concordant="C09K23/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/22</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Amides or hydrazides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">C09K23/22</class-ref> and <class-ref scheme="cpc">C09K23/24</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>.<br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/22</class-ref> and <class-ref scheme="cpc">C09K23/24</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/24" definition-exists="false" ipc-concordant="C09K23/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/24</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Amides of higher fatty acids with aminoalkylated sulfonic acids</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/26" definition-exists="false" ipc-concordant="C09K23/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/26</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Sulfonamides</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/26</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/26</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/28" definition-exists="false" ipc-concordant="C09K23/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/28</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Aminocarboxylic acids </text><reference><text>proteins and protein hydrolysates <class-ref scheme="cpc">C09K23/30</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/28</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/28</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/30" definition-exists="false" ipc-concordant="C09K23/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/30</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Proteins</text></title-part><title-part><text>Protein hydrolysates</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/30</class-ref> is incomplete pending reclassification of documents from groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/16</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/16</class-ref> and <class-ref scheme="cpc">C09K23/30</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/32" definition-exists="false" ipc-concordant="C09K23/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/32</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Heterocyclic compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/32</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/32</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/34" definition-exists="false" ipc-concordant="C09K23/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/34</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Higher-molecular-weight carboxylic acid esters </text><reference><text>esters of higher fatty acids with hydroxyalkylated sulfonic acids or salts thereof <class-ref scheme="cpc">C09K23/06</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">C09K23/34</class-ref> and <class-ref scheme="cpc">C09K23/36</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref>, <class-ref scheme="cpc">C09K23/34</class-ref> and <class-ref scheme="cpc">C09K23/36</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/36" definition-exists="false" ipc-concordant="C09K23/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/36</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Esters of polycarboxylic acids</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/38" definition-exists="false" ipc-concordant="C09K23/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/38</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Alcohols, e.g. oxidation products of paraffins</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/38</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/38</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/40" definition-exists="false" ipc-concordant="C09K23/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/40</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Phenols</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/40</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/40</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/42" definition-exists="false" ipc-concordant="C09K23/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/42</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Ethers, e.g. polyglycol ethers of alcohols or phenols</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Groups <class-ref scheme="cpc">C09K23/42</class-ref> - <class-ref scheme="cpc">C09K23/48</class-ref> are incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>All groups listed in this Warning should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/44" definition-exists="false" ipc-concordant="C09K23/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/44</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Ether carboxylic acids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/46" definition-exists="false" ipc-concordant="C09K23/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/46</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Ethers of aminoalcohols</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C09K23/48" definition-exists="false" ipc-concordant="C09K23/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/48</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Cellulose ethers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/50" definition-exists="false" ipc-concordant="C09K23/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/50</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Derivatives of lignin</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/50</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/50</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/52" definition-exists="false" ipc-concordant="C09K23/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/52</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Natural or synthetic resins or their salts</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/52</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/52</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/54" definition-exists="false" ipc-concordant="C09K23/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/54</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Silicon compounds</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/54</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/54</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C09K23/56" definition-exists="false" ipc-concordant="C09K23/56" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>C09K23/56</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Glucosides</text></title-part><title-part><text>Mucilage</text></title-part><title-part><text>Saponins</text></title-part></class-title><notes-and-warnings><note type="warning"><note-paragraph warning-type="reclass-destination">Group <class-ref scheme="cpc">C09K23/56</class-ref> is incomplete pending reclassification of documents from group <class-ref scheme="cpc">C09K23/00</class-ref>. <br/>Groups <class-ref scheme="cpc">C09K23/00</class-ref> and <class-ref scheme="cpc">C09K23/56</class-ref> should be considered in order to perform a complete search.</note-paragraph></note></notes-and-warnings></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C09K101/00" date-revised="2013-01-01" status="published"><classification-symbol>C09K2101/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K101/00" definition-exists="false" ipc-concordant="C09K101/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2101/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agricultural use</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K103/00" definition-exists="false" ipc-concordant="C09K103/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2103/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Civil engineering use</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K105/00" definition-exists="false" ipc-concordant="C09K105/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2105/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Erosion prevention</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K107/00" definition-exists="false" ipc-concordant="C09K107/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2107/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Impermeabilisation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K109/00" definition-exists="false" ipc-concordant="C09K109/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2109/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>pH regulation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K200/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical nature of materials in mouldable or extrudable form for sealing or packing joints or covers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K200/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0204" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0204</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Elements</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0208" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0213" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0217" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Salts</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0221" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0221</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogen-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0226" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0226</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0234" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0234</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphorous-containing compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0239" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0239</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides, hydroxides, carbonates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica-rich compounds, e.g. silicates, cement, glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0247" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0247</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0252" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0252</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Clays</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0256" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0256</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bentonite</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/026" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Kaolin</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0265" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0265</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mica</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0269" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0269</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramics</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0273" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0273</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Boron-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0278" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0278</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0282" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0282</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0286" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0286</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Asbestos</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0291" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0295" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0295</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ceramic fibres</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K200/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-macromolecular organic compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0405" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0405</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0411" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0411</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogen-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0417" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0417</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphorus-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0423" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0423</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Boron-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0429" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0429</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alcohols, phenols, ethers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0435" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aldehydes, ketones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0441" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0441</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carboxylic acids, salts, anhydrides or esters thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0447" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fats, fatty oils, higher fatty acids or derivatives thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0452" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbohydrates or derivatives thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0458" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0458</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen-containing compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0464" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0464</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Isocyanates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/047" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Amides, imides, imines, N-oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0476" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heterocyclic nitrogen compounds, e.g. melamine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0482" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0482</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Peptides, proteins or derivatives thereof</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0488" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0488</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfur-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0494" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0494</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silicon-containing compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K200/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular organic compounds, e.g. prepolymers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0602" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0602</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polysaccharides or derivatives thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0605" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0605</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lignin-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0607" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0607</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Rubber or rubber derivatives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/061" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Butyl rubber</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0612" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0612</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Butadiene-acrylonitrile rubber</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0615" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0615</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>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0617" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0617</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyalkenes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyethylene</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0622" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0622</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyvinylalcohols, polyvinylacetates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0625" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0625</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyacrylic esters or derivatives thereof</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0627" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0627</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrogen-containing polymers, e.g. polyacrylamide</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/063" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/063</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyacrylonitriles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0632" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0632</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polystyrenes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0635" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0635</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogen-containing polymers, e.g. PVC</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0637" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0637</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluoro-containing polymers, e.g. PTFE</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/064" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/064</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coumarone polymers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0642" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0642</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Copolymers containing at least three different monomers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0645" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0645</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained otherwise than by reactions involving carbon-to-carbon unsaturated bonds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0647" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0647</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyepoxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/065" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyurethanes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0652" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0652</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyisocyanates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0655" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0655</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyesters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0657" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0657</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyethers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyester-polyethers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0662" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0662</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyether-polyol</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0665" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0665</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyurea</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0667" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0667</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamides, polyimides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/067" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/067</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 breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0672" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0672</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phenol-aldehyde condensation polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0675" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0675</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melamine-formaldehyde condensation polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K200/0677" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0677</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Urea-formaldehyde condensation polymers</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/068" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Containing also other elements than carbon, oxygen or nitrogen in the polymer main chain</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0682" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0682</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Containing sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0685" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0685</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Containing silicon</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0687" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0687</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Natural resins, e.g. rosin</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/069" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/069</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bituminous materials, e.g. tar, pitch</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K200/0692" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0692</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0695" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0695</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyamide fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K200/0697" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2200/0697</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cellulose fibres</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K205/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aspects relating to compounds used in compression type refrigeration systems</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Components</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/102" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Alcohols</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carboxylic acid esters</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/106" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/106</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon dioxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/108" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aldehydes or ketones</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ethers</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/112" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogenated ethers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/114" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/114</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyclic ethers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/116" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogenated cyclic ethers</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/122" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogenated hydrocarbons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/124" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/124</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluorinated cyclic hydrocarbons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/126" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/126</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Unsaturated fluorinated hydrocarbons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K205/128" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-08-01" status="published"><classification-symbol>C09K2205/128</classification-symbol><class-title date-revised="2016-08-01"><title-part><text>Perfluorinated hydrocarbons </text><reference><text><class-ref scheme="cpc">C09K2205/124</class-ref>, <class-ref scheme="cpc">C09K2205/126</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inert gases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/132" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/132</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/134" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/134</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>All components of a mixture being fluoro compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Only one single fluoro component present</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The mixture being azeotropic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>The mixture being non-azeotropic</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K205/40" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Replacement mixtures</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/41" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R11</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/42" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R12</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/43" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R22</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-10-01" status="published"><classification-symbol>C09K2205/44</classification-symbol><class-title date-revised="2015-10-01"><title-part><text>Type R13B1</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/45" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R500</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/46" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R501</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/47" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R502</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K205/48" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2205/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Type R503</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K208/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aspects relating to compositions of drilling or well treatment fluids</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Spotting, i.e. using additives for releasing a stuck drill</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hulls, shells or bark containing well drilling or treatment fluids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Structured surfactants, i.e. well drilling or treating fluids with a lamellar or spherulitic phase</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fiber-containing well treatment fluids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nanoparticle-containing well treatment fluids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/12" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K2208/12</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Swell inhibition, i.e. using additives to drilling or well treatment fluids for inhibiting clay or shale swelling or disintegrating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Double emulsions, i.e. oil-in-water-in-oil emulsions or water-in-oil-in-water emulsions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bridging agents, i.e. particles for temporarily filling the pores of a formation</text></title-part><title-part><text>Graded salts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/20" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrogen sulfide elimination</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/22" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrates inhibition by using well treatment fluids containing inhibitors of hydrate formers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/24" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Bacteria or enzyme containing gel breakers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/26" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gel breakers other than bacteria or enzymes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/28" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Friction or drag reducing additives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/30" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Viscoelastic surfactants [VES]</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/32" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anticorrosion additives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K208/34" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2208/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lubricant additives</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K211/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical nature of organic luminescent or tenebrescent compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K211/10" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-macromolecular compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/1003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbocyclic compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C09K2211/1007</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>Non-condensed systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1011" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1011</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensed systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1014" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1014</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bridged by heteroatoms, e.g. N, P, Si or B</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/1018" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heterocyclic compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1022" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1022</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bridged by heteroatoms, e.g. N, P, Si or B</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K2211/1025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterised by ligands</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1029" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1029</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing one nitrogen atom as the heteroatom</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1033" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1033</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1037" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1037</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/104" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/104</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other heteroatoms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1044" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1044</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing two nitrogen atoms as heteroatoms</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1048" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1048</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1051" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1051</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1055" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1055</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other heteroatoms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1059" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1059</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing three nitrogen atoms as heteroatoms</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1062" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1066" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/107" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/107</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other heteroatoms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1074" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1074</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing more than three nitrogen atoms as heteroatoms</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1077" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1077</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with oxygen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1081" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1081</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with sulfur</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C09K211/1085" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other heteroatoms</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1088" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1088</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen as the only heteroatom</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1092" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1092</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur as the only heteroatom</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C09K211/1096" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1096</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing other heteroatoms</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K211/14" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/1408" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1408</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbocyclic compounds</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1416" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1416</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Condensed systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1425" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1425</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-condensed systems</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1433" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1433</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>bridged by heteroatoms, e.g. N, P, Si or B</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/1441" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C09K2211/1441</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heterocyclic</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/145" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen as the only heteroatom</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1458" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1458</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur as the only heteroatom</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1466" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1466</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen as the only heteroatom</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1483" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1483</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen and sulfur as heteroatoms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K211/1491" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/1491</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing other combinations of heteroatoms</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K211/18" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metal complexes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/181" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/181</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the alkali metals and alkaline earth metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/182" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/182</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the rare earth metals, i.e. Sc, Y or lanthanide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/183" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/183</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta or W</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/185" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/186" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/186</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the light metals other than alkali metals and alkaline earth metals, i.e. Be, Al or Mg</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/187" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/187</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of the iron group metals, i.e. Fe, Co or Ni</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K211/188" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2211/188</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>of other metals not provided for in one of the previous groups</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C09K219/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-01-01" status="published"><classification-symbol>C09K2219/00</classification-symbol><class-title date-revised="2020-01-01"><title-part><text>Aspects relating to the form of the liquid crystal [LC] material, or by the technical area in which LC material are used</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K219/01" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2219/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of fibres, e.g. fibres after polymerisation of LC precursor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K219/03" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2219/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in the form of films, e.g. films after polymerisation of LC precursor</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K219/11" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2219/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used in the High Frequency technical field</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K219/13" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2219/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used in the technical field of thermotropic switches</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K219/17" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C09K2219/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>used as a medium, in which detection of chemical compounds takes place</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/023" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/023</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Organic silicon compound, e.g. organosilicon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/025</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Polyamide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/027" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/027</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Polyimide</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K323/0271" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/0271</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Polyimidfluoride</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C09K323/0273" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/0273</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Polyimidmetalo</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/031" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/031</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Polarizer or dye</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/033" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/033</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Silicon compound, e.g. glass or organosilicon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/035" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/035</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Ester polymer, e.g. polycarbonate, polyacrylate or polyester</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K323/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/04</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Charge transferring layer characterised by chemical composition, i.e. conductive</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C09K323/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/05</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Bonding or intermediate layer characterised by chemical composition, e.g. sealant or spacer</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C09K323/051" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2020-08-01" status="published"><classification-symbol>C09K2323/051</classification-symbol><class-title date-revised="2020-08-01"><title-part><text>Inorganic, e.g. glass or silicon oxide</text></title-part></class-title></classification-item>
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