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ZSI_Reconnect_China/PATSTAT/CPC_data/CPCSchemeXML202302/cpc-scheme-C03C.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="C03C" definition-exists="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS</text></title-part><title-part><text>SURFACE TREATMENT OF GLASS</text></title-part><title-part><text>SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS</text></title-part><title-part><text>JOINING GLASS TO GLASS OR OTHER MATERIALS</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This subclass <u>covers</u> compositions of polycristalline fibres</note-paragraph><note-paragraph>This subclass <u>does not cover</u> the preparation of single-cristal fibres, which is covered by subclass <class-ref scheme="cpc">C30B</class-ref></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">C03C6/00</class-ref> - <class-ref scheme="ipc">C03C6/10</class-ref> </entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03C1/00</class-ref> - <class-ref scheme="cpc">C03C1/105</class-ref> </entry></row><row><entry><class-ref scheme="ipc">C03C10/02</class-ref> - <class-ref scheme="ipc">C03C10/14</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03C10/00</class-ref></entry></row><row><entry><class-ref scheme="ipc">C03C13/02</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">C03C13/00</class-ref></entry></row><row><entry><class-ref scheme="ipc">C03C27/12</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">B32B17/00</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="C03C1/00" date-revised="2018-08-01" status="published"><classification-symbol>C03C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chemical composition of glasses, glazes, or vitreous enamels</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C03C1/00</class-ref> - <class-ref scheme="cpc">C03C14/00</class-ref>, the last place priority rule is applied, i.e. 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="7" additional-only="false" sort-key="C03C1/00" definition-exists="true" ipc-concordant="C03C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C1/002" definition-exists="false" ipc-concordant="C03C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Use of waste materials, e.g. slags</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="C03C1/004" definition-exists="false" ipc-concordant="C03C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Refining agents </text><reference><text>refining <class-ref scheme="cpc">C03B5/225</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C1/006" definition-exists="false" ipc-concordant="C03C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to produce glass through wet route</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/008" definition-exists="false" ipc-concordant="C03C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for the production of films or coatings</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="C03C1/02" definition-exists="false" ipc-concordant="C03C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pretreated ingredients</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/022" definition-exists="false" ipc-concordant="C03C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purification of silica sand or other minerals</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/024" definition-exists="false" ipc-concordant="C03C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chemical treatment of cullet or glass fibres</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/026" definition-exists="false" ipc-concordant="C03C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Pelletisation or prereacting of powdered raw materials </text><reference><text>apparatus or methods <class-ref scheme="cpc">C03B1/02</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="C03C1/028" definition-exists="false" ipc-concordant="C03C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ingredients allowing introduction of lead or other easily volatile or dusty 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="C03C1/04" definition-exists="false" ipc-concordant="C03C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Opacifiers, e.g. fluorides or phosphates</text></title-part><title-part><text>Pigments</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/06" definition-exists="false" ipc-concordant="C03C1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to produce non-uniformly pigmented, e.g. speckled, marbled, or veined products</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C1/08" definition-exists="false" ipc-concordant="C03C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to produce crackled effects</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C1/10" definition-exists="false" ipc-concordant="C03C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to produce uniformly-coloured transparent products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C1/105" definition-exists="false" ipc-concordant="C03C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C1/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by the addition of colorants to the forehearth of the glass melting furnace</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C3/00" definition-exists="true" ipc-concordant="C03C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C3/04" definition-exists="false" ipc-concordant="C03C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing silica</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>If silica is specified as being present in a percent range covered by two of the groups <class-ref scheme="cpc">C03C3/06</class-ref>, <class-ref scheme="cpc">C03C3/062</class-ref> or <class-ref scheme="cpc">C03C3/076</class-ref>, classification is made in both groups. If the range is covered by the three groups, classification is made in group <class-ref scheme="cpc">C03C3/04</class-ref> itself.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/045" definition-exists="false" ipc-concordant="C03C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silicon oxycarbide, oxynitride or oxycarbonitride glasses</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/06" definition-exists="false" ipc-concordant="C03C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with more than 90% silica by weight, e.g. quartz </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03C3/045</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="C03C3/061" definition-exists="false" ipc-concordant="C03C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/061</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by leaching a soluble phase and consolidating</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="C03C3/062" definition-exists="false" ipc-concordant="C03C3/062" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/062</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with less than 40% silica by weight</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/064" definition-exists="false" ipc-concordant="C03C3/064" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/064</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="11" additional-only="false" sort-key="C03C3/066" definition-exists="false" ipc-concordant="C03C3/066" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/066</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/068" definition-exists="false" ipc-concordant="C03C3/068" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/068</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earths</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/07" definition-exists="false" ipc-concordant="C03C3/07" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing lead</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/072" definition-exists="false" ipc-concordant="C03C3/072" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/072</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="12" additional-only="false" sort-key="C03C3/074" definition-exists="false" ipc-concordant="C03C3/074" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/074</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03C3/0745" definition-exists="false" ipc-concordant="C03C3/074" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/0745</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing more than 50% lead oxide, by weight</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="C03C3/076" definition-exists="false" ipc-concordant="C03C3/076" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/076</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with 40% to 90% silica, by weight </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03C3/045</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="C03C3/078" definition-exists="false" ipc-concordant="C03C3/078" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/078</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an oxide of a divalent metal, e.g. an oxide of zinc</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/083" definition-exists="false" ipc-concordant="C03C3/083" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium oxide or an iron compound</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/085" definition-exists="false" ipc-concordant="C03C3/085" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing an oxide of a divalent metal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C3/087" definition-exists="false" ipc-concordant="C03C3/087" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing calcium oxide, e.g. common sheet or container glass</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="C03C3/089" definition-exists="false" ipc-concordant="C03C3/089" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/089</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="11" additional-only="false" sort-key="C03C3/091" definition-exists="false" ipc-concordant="C03C3/091" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/091</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="12" additional-only="false" sort-key="C03C3/093" definition-exists="false" ipc-concordant="C03C3/093" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/093</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc or zirconium</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="C03C3/095" definition-exists="false" ipc-concordant="C03C3/095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/095</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earths</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/097" definition-exists="false" ipc-concordant="C03C3/097" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/097</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus, niobium or tantalum</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/102" definition-exists="false" ipc-concordant="C03C3/102" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/102</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing lead</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/105" definition-exists="false" ipc-concordant="C03C3/105" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/105</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/108" definition-exists="false" ipc-concordant="C03C3/108" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/108</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/11" definition-exists="false" ipc-concordant="C03C3/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing halogen or nitrogen</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/111" definition-exists="false" ipc-concordant="C03C3/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/111</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing nitrogen</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="C03C3/112" definition-exists="false" ipc-concordant="C03C3/112" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing fluorine</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C3/115" definition-exists="false" ipc-concordant="C03C3/115" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/115</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="13" additional-only="false" sort-key="C03C3/118" definition-exists="false" ipc-concordant="C03C3/118" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/118</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium</text></title-part></class-title></classification-item></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="C03C3/12" definition-exists="false" ipc-concordant="C03C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Silica-free oxide glass compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/122" definition-exists="false" ipc-concordant="C03C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/122</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing oxides of As, Sb, Bi, Mo, W, V, Te as glass formers</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/125" definition-exists="false" ipc-concordant="C03C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/125</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing aluminium as glass former</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/127" definition-exists="false" ipc-concordant="C03C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/127</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing TiO<sub>2</sub> as glass former</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/14" definition-exists="false" ipc-concordant="C03C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/14</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="C03C3/142" definition-exists="false" ipc-concordant="C03C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/142</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing lead</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="C03C3/145" definition-exists="false" ipc-concordant="C03C3/145" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium or beryllium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/15" definition-exists="false" ipc-concordant="C03C3/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earths</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C3/155" definition-exists="false" ipc-concordant="C03C3/155" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zirconium, titanium, tantalum or niobium</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="C03C3/16" definition-exists="false" ipc-concordant="C03C3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/16</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="C03C3/17" definition-exists="false" ipc-concordant="C03C3/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium or beryllium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/19" definition-exists="false" ipc-concordant="C03C3/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/21" definition-exists="false" ipc-concordant="C03C3/21" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing titanium, zirconium, vanadium, tungsten or molybdenum</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/23" definition-exists="false" ipc-concordant="C03C3/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing halogen and at least one oxide, e.g. oxide of boron</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/247" definition-exists="false" ipc-concordant="C03C3/247" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing fluorine and phosphorus</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/253" definition-exists="false" ipc-concordant="C03C3/253" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/253</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing germanium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C3/32" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-oxide glass compositions, e.g. binary or ternary halides, sulfides or nitrides of germanium, selenium or tellurium</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C3/321" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/321</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenide glasses, e.g. containing S, Se, Te</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/323" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/323</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing halogen, e.g. chalcohalide glasses</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="C03C3/325" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/325</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluoride glasses</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C3/326" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing beryllium</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="C03C3/328" definition-exists="false" ipc-concordant="C03C3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C3/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nitride glasses</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C4/00" definition-exists="true" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions for glass with special properties</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>When classifying in group <class-ref scheme="cpc">C03C4/00</class-ref>, classification is also made in the appropriate groups of group <class-ref scheme="cpc">C03C3/00</class-ref> according to the glass composition.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/0007" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for biologically-compatible glass</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/0014" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Biodegradable glass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/0021" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for dental use</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="C03C4/0028" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for crystal glass, e.g. lead-free crystal glass</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="C03C4/0035" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for soluble glass for controlled release of a compound incorporated in said glass</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="C03C4/0042" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for glass comprising or including particular isotopes</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="C03C4/005" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for opaline glass</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="C03C4/0057" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for ultrasonic delay lines glass</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="C03C4/0064" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for self-destructing glass </text><reference><text><class-ref scheme="cpc">C03C4/0014</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/0071" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for laserable glass</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="C03C4/0078" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for glass for dosimeters</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="C03C4/0085" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for UV-transmitting glass</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="C03C4/0092" definition-exists="false" ipc-concordant="C03C4/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for glass with improved high visible transmittance, e.g. extra-clear glass</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="C03C4/02" definition-exists="false" ipc-concordant="C03C4/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for coloured glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/04" definition-exists="false" ipc-concordant="C03C4/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for photosensitive glass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/06" definition-exists="false" ipc-concordant="C03C4/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for phototropic or photochromic glass</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C4/065" definition-exists="false" ipc-concordant="C03C4/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/065</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for silver-halide free photochromic glass</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="C03C4/08" definition-exists="false" ipc-concordant="C03C4/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for glass selectively absorbing radiation of specified wave lengths</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/082" definition-exists="false" ipc-concordant="C03C4/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for infra-red absorbing glass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/085" definition-exists="false" ipc-concordant="C03C4/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for ultra-violet absorbing glass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C4/087" definition-exists="false" ipc-concordant="C03C4/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for X-rays absorbing glass</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="C03C4/10" definition-exists="false" ipc-concordant="C03C4/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for infra-red transmitting glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/12" definition-exists="false" ipc-concordant="C03C4/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for luminescent glass</text></title-part><title-part><text>for fluorescent glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/14" definition-exists="false" ipc-concordant="C03C4/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for electro-conductive glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/16" definition-exists="false" ipc-concordant="C03C4/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for dielectric glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/18" definition-exists="false" ipc-concordant="C03C4/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for ion-sensitive glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C4/20" definition-exists="false" ipc-concordant="C03C4/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C4/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for chemical resistant glass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C8/00" definition-exists="true" ipc-concordant="C03C8/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C8/00</classification-symbol><class-title date-revised="2021-01-01"><title-part><text>Enamels</text></title-part><title-part><text>Glazes</text></title-part><title-part><text>Fusion seal compositions being frit compositions having non-frit additions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C8/02" definition-exists="false" ipc-concordant="C03C8/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frit compositions, i.e. in a powdered or comminuted form</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/04" definition-exists="false" ipc-concordant="C03C8/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing zinc</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/06" definition-exists="false" ipc-concordant="C03C8/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/06</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="C03C8/08" definition-exists="false" ipc-concordant="C03C8/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/10" definition-exists="false" ipc-concordant="C03C8/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing lead</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C8/12" definition-exists="false" ipc-concordant="C03C8/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing titanium or zirconium</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="C03C8/14" definition-exists="false" ipc-concordant="C03C8/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/16" definition-exists="false" ipc-concordant="C03C8/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with vehicle or suspending agents, e.g. slip</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/18" definition-exists="false" ipc-concordant="C03C8/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing free metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/20" definition-exists="false" ipc-concordant="C03C8/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing titanium compounds</text></title-part><title-part><text>containing zirconium compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C8/22" definition-exists="false" ipc-concordant="C03C8/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing two or more distinct frits having different compositions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C8/24" definition-exists="false" ipc-concordant="C03C8/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fusion seal compositions being frit compositions having non-frit additions, i.e. for use as seals between dissimilar materials, e.g. glass and metal</text></title-part><title-part><text>Glass solders</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C8/245" definition-exists="false" ipc-concordant="C03C8/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C8/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing more than 50% lead oxide, by weight</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C10/00" definition-exists="true" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C10/0009" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing silica as main constituent</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="C03C10/0018" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0018</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub> and monovalent metal oxide as main constituents</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C10/0027" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub>, Li<sub>2</sub>O as main constituents</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="C03C10/0036" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0036</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub> and a divalent metal oxide as main constituents</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C10/0045" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing SiO<sub>2</sub>, Al<sub>2</sub>O<sub>3</sub> and MgO as main constituents</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="C03C10/0054" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0054</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing PbO, SnO<sub>2</sub>, B<sub>2</sub>O<sub>3</sub></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="C03C10/0063" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0063</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing waste materials, e.g. slags</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="C03C10/0072" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0072</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a ferro-electric crystal phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C10/0081" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/0081</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a magnetic crystal phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C10/009" definition-exists="false" ipc-concordant="C03C10/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>having a superconducting crystal phase</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C10/16" definition-exists="false" ipc-concordant="C03C10/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C10/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halogen containing crystalline phase</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C11/00" definition-exists="true" ipc-concordant="C03C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03C11/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Multi-cellular glass </text><CPC-specific-text><text>; Porous or hollow glass or glass particles</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C11/002" definition-exists="false" ipc-concordant="C03C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C11/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Hollow glass particles</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="C03C11/005" definition-exists="false" ipc-concordant="C03C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C11/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by leaching after a phase separation step</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="C03C11/007" definition-exists="false" ipc-concordant="C03C11/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C11/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Foam glass, e.g. obtained by incorporating a blowing agent and heating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C12/00" definition-exists="true" ipc-concordant="C03C12/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C12/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Powdered glass </text><reference><text><class-ref scheme="cpc">C03C8/02</class-ref> takes precedence</text></reference></title-part><title-part><text>Bead compositions</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C12/02" definition-exists="false" ipc-concordant="C03C12/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C12/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reflective beads</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C13/00" definition-exists="true" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre or filament compositions </text><reference><text>manufacture of fibres or filaments <class-ref scheme="cpc">C03B37/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C13/001" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alkali-resistant fibres</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C13/002" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing zirconium</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="C03C13/003" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Conducting or semi-conducting fibres</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="C03C13/005" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>obtained by leaching of a soluble phase and consolidation</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="C03C13/006" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Glass-ceramics fibres</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C13/007" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing zirconium</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="C03C13/008" definition-exists="false" ipc-concordant="C03C13/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polycrystalline optical fibres</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="C03C13/04" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibre optics, e.g. core and clad fibre compositions </text><reference><text>light guides <class-ref scheme="cpc">G02B6/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C13/041" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/041</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Non-oxide glass compositions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C13/042" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluoride glass compositions</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="C03C13/043" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Chalcogenide glass compositions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C13/044" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing halogen, e.g. chalcohalide glass compositions</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="C03C13/045" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/045</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silica-containing oxide glass compositions</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C13/046" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multicomponent glass compositions</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="C03C13/047" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/047</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>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C13/048" definition-exists="false" ipc-concordant="C03C13/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Silica-free oxide glass 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="C03C13/06" definition-exists="false" ipc-concordant="C03C13/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C13/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mineral fibres, e.g. slag wool, mineral wool, rock wool</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C14/00" definition-exists="true" ipc-concordant="C03C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C14/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix </text><reference><text>devitrified glass ceramics <class-ref scheme="cpc">C03C10/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C14/002" definition-exists="false" ipc-concordant="C03C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C14/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the non-glass component being in the form of fibres, filaments, yarns, felts or woven material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C14/004" definition-exists="false" ipc-concordant="C03C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C14/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the non-glass component being in the form of particles or flakes</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="C03C14/006" definition-exists="false" ipc-concordant="C03C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C14/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the non-glass component being in the form of microcrystallites, e.g. of optically or electrically active material</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C14/008" definition-exists="false" ipc-concordant="C03C14/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C14/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the non-glass component being in molecular form</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C03C15/00" date-revised="2018-01-01" status="published"><classification-symbol>C03C15/00</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Surface treatment of glass</text></title-part><title-part><text>Surface treatment of fibres or filaments from glass, minerals or slags</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C15/00" definition-exists="true" ipc-concordant="C03C15/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C15/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface treatment of glass, not in the form of fibres or filaments, by etching </text><reference><text>etching or surface-brightening compositions, in general <class-ref scheme="cpc">C09K13/00</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C15/02" definition-exists="false" ipc-concordant="C03C15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C15/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for making a smooth surface</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C15/025" definition-exists="false" ipc-concordant="C03C15/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C15/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for polishing crystal glass, i.e. lead glass</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C17/00" definition-exists="true" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface treatment of glass, not in the form of fibres or filaments, by coating </text><reference><text>optical coatings of optical elements <class-ref scheme="cpc">G02B1/10</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C17/001" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>General methods for coating; Devices therefor</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/002" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for flat glass, e.g. float glass</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/003" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for hollow ware, e.g. containers</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C17/004" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating the inside</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="C03C17/005" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating the outside</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="C03C17/006" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with materials of composite character</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/007" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing a dispersed phase, e.g. particles, fibres or flakes, in a continuous 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="C03C17/008" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a mixture of materials covered by two or more of the groups <class-ref scheme="cpc">C03C17/02</class-ref>, <class-ref scheme="cpc">C03C17/06</class-ref>, <class-ref scheme="cpc">C03C17/22</class-ref> and <class-ref scheme="cpc">C03C17/28</class-ref></text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C17/009" definition-exists="false" ipc-concordant="C03C17/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixtures of organic and inorganic materials, e.g. ormosils and ormocers</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="C03C17/02" definition-exists="false" ipc-concordant="C03C17/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with glass </text><reference><text><class-ref scheme="cpc">C03C17/34</class-ref>, <class-ref scheme="cpc">C03C17/44</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="C03C17/04" definition-exists="false" ipc-concordant="C03C17/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fritting glass powder</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C17/06" definition-exists="false" ipc-concordant="C03C17/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with metals </text><reference><text><class-ref scheme="cpc">C03C17/34</class-ref>, <class-ref scheme="cpc">C03C17/44</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="C03C17/09" definition-exists="false" ipc-concordant="C03C17/09" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/09</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by deposition from the vapour phase</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/10" definition-exists="false" ipc-concordant="C03C17/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by deposition from the liquid phase</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C17/22" definition-exists="false" ipc-concordant="C03C17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with other inorganic material </text><reference><text><class-ref scheme="cpc">C03C17/34</class-ref>, <class-ref scheme="cpc">C03C17/44</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="C03C17/225" definition-exists="false" ipc-concordant="C03C17/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nitrides</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/23" definition-exists="false" ipc-concordant="C03C17/23" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides </text><reference><text><class-ref scheme="cpc">C03C17/02</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="C03C17/245" definition-exists="false" ipc-concordant="C03C17/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by deposition from the vapour phase</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C17/2453" definition-exists="false" ipc-concordant="C03C17/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/2453</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating containing SnO<sub>2</sub></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="C03C17/2456" definition-exists="false" ipc-concordant="C03C17/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/2456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating containing TiO<sub>2</sub></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="C03C17/25" definition-exists="false" ipc-concordant="C03C17/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by deposition from the liquid phase</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C17/253" definition-exists="false" ipc-concordant="C03C17/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/253</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating containing SnO<sub>2</sub></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="C03C17/256" definition-exists="false" ipc-concordant="C03C17/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/256</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coating containing TiO<sub>2</sub></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="C03C17/27" definition-exists="false" ipc-concordant="C03C17/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by oxidation of a coating previously applied</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="C03C17/28" definition-exists="false" ipc-concordant="C03C17/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with organic material </text><reference><text><class-ref scheme="cpc">C03C17/34</class-ref>, <class-ref scheme="cpc">C03C17/44</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="C03C17/30" definition-exists="false" ipc-concordant="C03C17/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with silicon-containing compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/32" definition-exists="false" ipc-concordant="C03C17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with synthetic or natural resins </text><reference><text><class-ref scheme="cpc">C03C17/30</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="C03C17/322" definition-exists="false" ipc-concordant="C03C17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyurethanes or polyisocyanates</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="C03C17/324" definition-exists="false" ipc-concordant="C03C17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyesters</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="C03C17/326" definition-exists="false" ipc-concordant="C03C17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Epoxy resins</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="C03C17/328" definition-exists="false" ipc-concordant="C03C17/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyolefins</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C17/34" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with at least two coatings having different compositions </text><reference><text><class-ref scheme="cpc">C03C17/44</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/3405" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with at least two coatings of organic materials </text><reference><text><class-ref scheme="cpc">C03C17/36</class-ref>, <class-ref scheme="cpc">C03C17/42</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C17/3411" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with at least two coatings of inorganic materials </text><reference><text><class-ref scheme="cpc">C03C17/36</class-ref>, <class-ref scheme="cpc">C03C17/42</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C17/3417" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3417</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>all coatings being oxide coatings</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="C03C17/3423" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one of the coatings comprising a suboxide</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="C03C17/3429" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>at least one of the coatings being a non-oxide coating</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C17/3435" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a nitride, oxynitride, boronitride or carbonitride</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="C03C17/3441" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising carbon, a carbide or oxycarbide</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="C03C17/3447" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a halide</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C17/3452" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3452</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a fluoride</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="C03C17/3458" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a chloride</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="C03C17/3464" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a chalcogenide</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C17/347" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/347</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a sulfide or oxysulfide</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="C03C17/3476" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a selenide or telluride</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="C03C17/3482" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3482</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising silicon, hydrogenated silicon or a silicide</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="C03C17/3488" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a boride or phosphide</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="C03C17/3494" definition-exists="false" ipc-concordant="C03C17/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising other salts, e.g. sulfate, phosphate</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="C03C17/36" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>at least one coating being a metal</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C17/3602" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3602</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the metal being present as a layer</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C17/3605" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3605</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of the type glass/metal/inorganic compound</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="C03C17/3607" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3607</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of the type glass/inorganic compound/metal</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="C03C17/361" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/361</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of the type glass/metal/inorganic compound/metal/inorganic compound/other</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="C03C17/3613" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3613</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of type glass/inorganic compound/metal/inorganic compound/metal/other</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="C03C17/3615" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3615</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of the type glass/metal/other inorganic layers, at least one layer being non-metallic</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="C03C17/3618" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3618</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic</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="C03C17/3621" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3621</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing a fluoride</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="C03C17/3623" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3623</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing a chloride, bromide or iodide</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="C03C17/3626" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3626</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing a nitride, oxynitride, boronitride or carbonitride</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="C03C17/3628" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3628</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing a sulfide</text></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C17/3631" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3631</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing a selenide or telluride</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="C03C17/3634" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3634</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing carbon, a carbide or oxycarbide</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="C03C17/3636" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3636</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>one layer at least containing silicon, hydrogenated silicon or a silicide</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="C03C17/3639" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3639</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Multilayers containing at least two functional metal layers</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="C03C17/3642" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3642</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the multilayer coating containing a metal layer</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="C03C17/3644" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3644</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the metal being silver</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="C03C17/3647" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3647</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>in combination with other metals, silver being more than 50%</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="C03C17/3649" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3649</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>made of metals other than silver</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="C03C17/3652" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3652</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the coating stack containing at least one sacrificial layer to protect the metal from oxidation</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="C03C17/3655" definition-exists="false" ipc-concordant="C03C17/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C17/3655</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>the multilayer coating containing at least one conducting layer</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C23/0075" definition-exists="false" ipc-concordant="C03C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C23/0075</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cleaning of glass </text><reference><text>specially adapted to plate glass <class-ref scheme="cpc">B08B11/00</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C23/008" definition-exists="false" ipc-concordant="C03C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C23/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>comprising a lixiviation step</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="C03C23/0085" definition-exists="false" ipc-concordant="C03C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C23/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Drying; Dehydroxylation</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="C03C23/009" definition-exists="false" ipc-concordant="C03C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C23/009</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Poling glass</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="C03C23/0095" definition-exists="false" ipc-concordant="C03C23/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C23/0095</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solution impregnating; Solution doping; Molecular stuffing, e.g. of porous glass </text><reference><text>in manufacture of preforms <class-ref scheme="cpc">C03B37/012</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C25/00" definition-exists="true" ipc-concordant="C03C25/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/00</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Surface treatment of fibres or filaments made from glass, minerals or slags</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/48</class-ref>, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph><note-paragraph>A coating composition, i.e. a mixture of two or more constituents, is classified in the last of groups <class-ref scheme="cpc">C03C25/25</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref> that provides for at least one of these constituents.</note-paragraph><note-paragraph>When classifying in groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref>, any individual constituent, i.e. compound or ingredient of a coating composition, which is not identified by the classification according to Note (2), and which itself is determined to be novel and non-obvious, must also be classified in the last appropriate place in groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref>.</note-paragraph><note-paragraph>When classifying in groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref>, any individual constituent of a coating composition which is not identified by the classification according to Note (2) or (3), and which is considered to represent information of interest for search, may also be classified in groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref>. This can, for example, be the case when it is considered of interest to enable searching of coating compositions using a combination of classification symbols. Such non-obligatory classification should be given as &quot;additional information&quot;.</note-paragraph><note-paragraph>When classifying in groups <class-ref scheme="cpc">C03C25/1025</class-ref> - <class-ref scheme="cpc">C03C25/1095</class-ref>, the composition of the coatings must also be classified in one or more of groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/54</class-ref>, according to Notes (1) to (4).</note-paragraph><note-paragraph>When classifying in group <class-ref scheme="cpc">C03C25/48</class-ref>, any individual coating which itself is determined to be novel and non-obvious must also be classified in groups <class-ref scheme="cpc">C03C25/24</class-ref> - <class-ref scheme="cpc">C03C25/42</class-ref>, according to Notes (1) to (4).</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/002" definition-exists="false" ipc-concordant="C03C25/002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/002</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Thermal treatment</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/005" definition-exists="false" ipc-concordant="C03C25/005" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/005</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>by mechanical means</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/007" definition-exists="false" ipc-concordant="C03C25/007" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/007</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Impregnation by solution</text></title-part><title-part><text>Solution doping or molecular stuffing of porous glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/10" definition-exists="false" ipc-concordant="C03C25/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/10</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Coating</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/1025" definition-exists="false" ipc-concordant="C03C25/1025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1025</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>to obtain fibres used for reinforcing cement-based products</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/103" definition-exists="false" ipc-concordant="C03C25/1025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/103</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Organic coatings</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="C03C25/1035" definition-exists="false" ipc-concordant="C03C25/1025" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1035</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Inorganic coatings</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="C03C25/104" definition-exists="true" ipc-concordant="C03C25/104" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/104</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>to obtain optical fibres</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/105" definition-exists="false" ipc-concordant="C03C25/105" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C25/105</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Organic claddings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/106" definition-exists="false" ipc-concordant="C03C25/106" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C25/106</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Single coatings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/1061" definition-exists="false" ipc-concordant="C03C25/106" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1061</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Inorganic coatings</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/1062" definition-exists="false" ipc-concordant="C03C25/106" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1062</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Carbon</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="C03C25/1063" definition-exists="false" ipc-concordant="C03C25/106" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1063</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Metals</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="C03C25/1065" definition-exists="false" ipc-concordant="C03C25/1065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C25/1065</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Multiple coatings</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/1068" definition-exists="false" ipc-concordant="C03C25/1065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1068</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>Inorganic coatings</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="C03C25/109" definition-exists="false" ipc-concordant="C03C25/1065" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/109</classification-symbol><class-title date-revised="2018-01-01"><title-part><CPC-specific-text><text>with at least one organic coating and at least one inorganic coating</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/1095" definition-exists="false" ipc-concordant="C03C25/1095" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/1095</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>to obtain coated fabrics</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/12" definition-exists="false" ipc-concordant="C03C25/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/12</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>General methods of coating</text></title-part><title-part><text>Devices therefor</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/14" definition-exists="false" ipc-concordant="C03C25/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/14</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Spraying</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/143" definition-exists="false" ipc-concordant="C03C25/143" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C25/143</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>onto continuous fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/146" definition-exists="false" ipc-concordant="C03C25/146" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-01-01" status="published"><classification-symbol>C03C25/146</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>onto fibres in suspension in a gaseous medium </text><reference><text><class-ref scheme="cpc">C03C25/143</class-ref> takes precedence</text></reference></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/16" definition-exists="false" ipc-concordant="C03C25/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dipping</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/18" definition-exists="false" ipc-concordant="C03C25/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/18</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Extrusion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/20" definition-exists="false" ipc-concordant="C03C25/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Contacting the fibres with applicators, e.g. rolls</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/22" definition-exists="false" ipc-concordant="C03C25/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/22</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Deposition from the vapour phase</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/223" definition-exists="false" ipc-concordant="C03C25/223" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/223</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>by chemical vapour deposition or pyrolysis</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/226" definition-exists="false" ipc-concordant="C03C25/226" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/226</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>by sputtering</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="C03C25/24" definition-exists="false" ipc-concordant="C03C25/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing organic materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/25" definition-exists="false" ipc-concordant="C03C25/25" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/25</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Non-macromolecular compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/255" definition-exists="false" ipc-concordant="C03C25/255" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/255</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Oils, waxes, fats or derivatives thereof</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/26" definition-exists="false" ipc-concordant="C03C25/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/26</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Macromolecular compounds or prepolymers</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/27" definition-exists="false" ipc-concordant="C03C25/27" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/27</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Rubber latex</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C03C25/28" definition-exists="false" ipc-concordant="C03C25/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained by reactions involving only carbon-to-carbon unsaturated bonds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/285" definition-exists="false" ipc-concordant="C03C25/285" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/285</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Acrylic resins</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/30" definition-exists="false" ipc-concordant="C03C25/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polyolefins</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="13" additional-only="false" sort-key="C03C25/305" definition-exists="false" ipc-concordant="C03C25/305" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/305</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Polyfluoroolefins</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="C03C25/32" definition-exists="false" ipc-concordant="C03C25/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/321" definition-exists="false" ipc-concordant="C03C25/321" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/321</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Starch</text></title-part><title-part><text>Starch derivatives</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/323" definition-exists="false" ipc-concordant="C03C25/323" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/323</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Polyesters, e.g. alkyd resins</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/325" definition-exists="false" ipc-concordant="C03C25/325" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/325</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Polycarbonates</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/326" definition-exists="false" ipc-concordant="C03C25/326" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/326</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Polyureas</text></title-part><title-part><text>Polyurethanes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/328" definition-exists="false" ipc-concordant="C03C25/328" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/328</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Polyamides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/34" definition-exists="false" ipc-concordant="C03C25/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>C03C25/34</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Condensation polymers of aldehydes, e.g. with phenols, ureas, melamines, amides or amines</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C03C25/36" definition-exists="false" ipc-concordant="C03C25/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Epoxy resins</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="C03C25/38" definition-exists="false" ipc-concordant="C03C25/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organo-metal compounds</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/40" definition-exists="false" ipc-concordant="C03C25/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organo-silicon compounds</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/42" definition-exists="false" ipc-concordant="C03C25/42" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing inorganic materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/44" definition-exists="false" ipc-concordant="C03C25/44" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbon, e.g. graphite</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/46" definition-exists="false" ipc-concordant="C03C25/46" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/46</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="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/465" definition-exists="true" ipc-concordant="C03C25/465" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/465</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Coatings containing composite materials</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/47" definition-exists="false" ipc-concordant="C03C25/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/47</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>containing particles, fibres or flakes, e.g. in a continuous phase</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/475" definition-exists="false" ipc-concordant="C03C25/475" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/475</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>containing colouring 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="C03C25/48" definition-exists="false" ipc-concordant="C03C25/48" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/48</classification-symbol><class-title date-revised="2015-09-01"><title-part><text>with two or more coatings having different compositions </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C03C25/104</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="C03C25/50" definition-exists="false" ipc-concordant="C03C25/50" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing organic materials only</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/52" definition-exists="false" ipc-concordant="C03C25/52" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing inorganic materials only</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/54" definition-exists="false" ipc-concordant="C03C25/54" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Combinations of one or more coatings containing organic materials only with one or more coatings containing inorganic materials only</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="C03C25/60" definition-exists="false" ipc-concordant="C03C25/60" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/60</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>by diffusing ions or metals into the surface</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/601" definition-exists="false" ipc-concordant="C03C25/601" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/601</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>in the liquid phase, e.g. using solutions or molten salts</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/602" definition-exists="false" ipc-concordant="C03C25/602" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/602</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>to perform ion-exchange between alkali ions </text><reference><text><class-ref scheme="cpc">C03C25/605</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="C03C25/603" definition-exists="false" ipc-concordant="C03C25/603" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/603</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>under application of an electrical potential difference</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/605" definition-exists="false" ipc-concordant="C03C25/605" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/605</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>to introduce metals or metallic ions, e.g. silver or copper, into the glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/606" definition-exists="false" ipc-concordant="C03C25/601" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/606</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>to perform an exchange of the type Xn+ ---&gt;nH+</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="C03C25/607" definition-exists="false" ipc-concordant="C03C25/607" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/607</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>in the gaseous phase</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/608" definition-exists="false" ipc-concordant="C03C25/608" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/608</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>in the solid phase, e.g. using pastes or powders</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/62" definition-exists="false" ipc-concordant="C03C25/62" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/62</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>by application of electric or wave energy </text><reference><text>for drying or dehydration <class-ref scheme="cpc">C03C25/64</class-ref></text></reference></title-part><title-part><text>by particle radiation or ion implantation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/6206" definition-exists="false" ipc-concordant="C03C25/6206" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6206</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Electromagnetic waves</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6208" definition-exists="false" ipc-concordant="C03C25/6208" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6208</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Laser</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/621" definition-exists="false" ipc-concordant="C03C25/621" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/621</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Microwaves</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6213" definition-exists="false" ipc-concordant="C03C25/6213" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6213</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Infrared</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/622" definition-exists="false" ipc-concordant="C03C25/622" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/622</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Visible light</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6226" definition-exists="false" ipc-concordant="C03C25/6226" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6226</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Ultraviolet</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/624" definition-exists="false" ipc-concordant="C03C25/624" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/624</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>X-Rays</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6246" definition-exists="false" ipc-concordant="C03C25/6246" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6246</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Gamma rays</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/626" definition-exists="false" ipc-concordant="C03C25/626" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/626</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Particle radiation or ion implantation</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6266" definition-exists="false" ipc-concordant="C03C25/6266" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6266</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Electrons, protons or alpha particles</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6273" definition-exists="false" ipc-concordant="C03C25/6273" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6273</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Neutrons</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/628" definition-exists="false" ipc-concordant="C03C25/628" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/628</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Atoms</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C25/6286" definition-exists="false" ipc-concordant="C03C25/6286" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6286</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Ion implantation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/6293" definition-exists="false" ipc-concordant="C03C25/6293" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/6293</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Plasma or corona discharge</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/64" definition-exists="false" ipc-concordant="C03C25/64" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/64</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Drying</text></title-part><title-part><text>Dehydration</text></title-part><title-part><text>Dehydroxylation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/66" definition-exists="false" ipc-concordant="C03C25/66" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/66</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Chemical treatment, e.g. leaching, acid or alkali treatment </text><reference><text>dehydroxylation <class-ref scheme="cpc">C03C25/64</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C25/68" definition-exists="false" ipc-concordant="C03C25/68" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C25/68</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by etching</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C25/70" definition-exists="false" ipc-concordant="C03C25/70" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2018-01-01" status="published"><classification-symbol>C03C25/70</classification-symbol><class-title date-revised="2018-01-01"><title-part><text>Cleaning, e.g. for reuse </text><reference><text><class-ref scheme="cpc">C03C25/62</class-ref> -<class-ref scheme="cpc">C03C25/66</class-ref> take precedence</text></reference></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="C03C27/00" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining glass to glass or to other materials </text><reference><text>fusion seal compositions <class-ref scheme="cpc">C03C8/24</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>Layered products classified in groups <class-ref scheme="cpc">C03C27/00</class-ref> or <class-ref scheme="cpc">C03C29/00</class-ref> are also classified in subclass <class-ref scheme="cpc">B32B</class-ref>.</note-paragraph></note></notes-and-warnings>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C27/00" definition-exists="true" ipc-concordant="C03C27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining pieces of glass to pieces of other inorganic material</text></title-part><title-part><text>Joining glass to glass other than by fusing </text><reference><text><class-ref scheme="cpc">C03C17/00</class-ref> takes precedence; layered structures comprising at least one glass sheet <class-ref scheme="cpc">B32B17/00</class-ref>; wired glass <class-ref scheme="cpc">C03B</class-ref>; joining glass to ceramics <class-ref scheme="cpc">C04</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C27/005" definition-exists="false" ipc-concordant="C03C27/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with compositions containing more than 50% lead oxide by weight</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="C03C27/02" definition-exists="false" ipc-concordant="C03C27/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by fusing glass directly to metal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C03C27/04" definition-exists="false" ipc-concordant="C03C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining glass to metal by means of an interlayer</text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C27/042" definition-exists="false" ipc-concordant="C03C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of a combination of materials selected from glass, glass-ceramic or ceramic material with metals, metal oxides or metal salts</text></CPC-specific-text></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C03C27/044" definition-exists="false" ipc-concordant="C03C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/044</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of glass, glass-ceramic or ceramic material only</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="C03C27/046" definition-exists="false" ipc-concordant="C03C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of metals, metal oxides or metal salts only</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="C03C27/048" definition-exists="false" ipc-concordant="C03C27/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/048</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>consisting of an adhesive specially adapted for that purpose</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="C03C27/06" definition-exists="false" ipc-concordant="C03C27/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining glass to glass by processes other than fusing </text><reference><text>fusing <class-ref scheme="cpc">C03B23/20</class-ref>; units for use as elements for closing wall or like openings and comprising two or more parallel glass panes in spaced relationship, the panes being permanently secured together <class-ref scheme="cpc">E06B3/66</class-ref></text></reference></title-part></class-title>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C27/08" definition-exists="false" ipc-concordant="C03C27/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the aid of intervening metal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C03C27/10" definition-exists="false" ipc-concordant="C03C27/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C27/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with the aid of adhesive specially adapted for that purpose</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C03C29/00" definition-exists="true" ipc-concordant="C03C29/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C29/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Joining metals with the aid of glass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="C03C201/00" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/00</classification-symbol>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C201/00" 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>C03C2201/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass compositions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C201/02" 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>C03C2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pure silica glass, e.g. pure fused quartz</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C201/06" 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>C03C2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Doped silica-based glasses</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C201/08" 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>C03C2201/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron or halide</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/10" 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>C03C2201/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron </text><reference><text><class-ref scheme="cpc">C03C2201/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/11" 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>C03C2201/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing chlorine</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/12" 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>C03C2201/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing fluorine </text><reference><text><class-ref scheme="cpc">C03C2201/14</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/14" 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>C03C2201/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing boron and fluorine</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C201/20" 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>C03C2201/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing non-metals other than boron or halide</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing molecular hydrogen</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/22" 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>C03C2201/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing deuterium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing hydroxyl groups</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/24" 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>C03C2201/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen, e.g. silicon oxy-nitride glasses</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/26" 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>C03C2201/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing carbon</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/28" 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>C03C2201/28</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="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C201/30" 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>C03C2201/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing germanium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/32" 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>C03C2201/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing aluminium </text><reference><text><class-ref scheme="cpc">C03C2201/36</class-ref> takes precedence</text></reference></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/34" 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>C03C2201/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earth metals </text><reference><text><class-ref scheme="cpc">C03C2201/36</class-ref> takes precedence</text></reference></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3405" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3405</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Scandium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3411" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3411</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Yttrium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3417" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3417</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lanthanum</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3423" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3423</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cerium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3429" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3429</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Praseodymium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3435" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3435</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Neodymium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3441" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3441</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Samarium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3447" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3447</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Europium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3452" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gadolinium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3458" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3458</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Terbium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3464" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3464</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dysprosium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/347" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/347</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Holmium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3476" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3476</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Erbium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3482" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3482</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thulium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3488" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3488</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ytterbium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/3494" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/3494</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Lutetium</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing rare earth metals and aluminium, e.g. Er-Al co-doped</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/40" 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>C03C2201/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing transition metals other than rare earth metals, e.g. Zr, Nb, Ta or Zn</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C201/42" 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>C03C2201/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing titanium</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing alkali metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing beryllium, magnesium or alkaline earth metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C201/58" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/58</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing metals in non-oxide form, e.g. CdSe</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="C03C201/60" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/60</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing organic material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C201/80" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2201/80</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing bubbles or microbubbles, e.g. opaque quartz glass</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C203/00" 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>C03C2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Production processes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C203/10" 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>C03C2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Melting processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C203/20" 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>C03C2203/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Wet processes, e.g. sol-gel process</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/22" 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>C03C2203/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using colloidal silica sols</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/24" 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>C03C2203/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using alkali silicate solutions</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/26" 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>C03C2203/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using alkoxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C203/27" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>the alkoxides containing other organic groups, e.g. alkyl groups</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C203/28" 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>C03C2203/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>functional groups, e.g. vinyl, glycidyl</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="C03C203/30" 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>C03C2203/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Additives</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C203/32" 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>C03C2203/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Catalysts</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/34" 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>C03C2203/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>adding silica powder</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gel impregnation</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C203/40" 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>C03C2203/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gas-phase processes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/42" 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>C03C2203/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>using silicon halides as starting materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C203/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>chlorine containing</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C203/46" 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>C03C2203/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>fluorine containing</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="C03C203/50" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/50</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C203/52" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/52</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Heat-treatment</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C203/54" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2203/54</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in a dopant containing atmosphere</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="C03C204/00" 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>C03C2204/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glasses, glazes or enamels with special properties</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C204/02" 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>C03C2204/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Antibacterial glass, glaze or enamel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C204/04" 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>C03C2204/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Opaque glass, glaze or enamel</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C204/06" 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>C03C2204/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>opacified by gas</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C204/08" 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>C03C2204/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass having a rough surface</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C205/00" 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>C03C2205/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions applicable for the manufacture of vitreous enamels or glazes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C205/02" 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>C03C2205/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for opaque enamels or glazes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C205/04" 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>C03C2205/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for self-cleaning enamels or glazes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C205/06" 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>C03C2205/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for dental use</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C207/00" 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>C03C2207/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions specially applicable for the manufacture of vitreous enamels</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C207/02" 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>C03C2207/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing ingredients for securing a good bond between the vitrified enamel and the metal</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C207/04" 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>C03C2207/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for steel</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C207/06" 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>C03C2207/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for cast iron</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C207/08" 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>C03C2207/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for light metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C207/10" 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>C03C2207/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>for copper, silver or gold</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C209/00" 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>C03C2209/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Compositions specially applicable for the manufacture of vitreous glazes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C209/02" 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>C03C2209/02</classification-symbol><class-title date-revised="2017-02-01"><title-part><text>to produce non-uniformly coloured glazes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C213/00" 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>C03C2213/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass fibres or filaments</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C213/02" 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>C03C2213/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biodegradable glass fibres</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C213/04" 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>C03C2213/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dual fibres</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C214/00" 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>C03C2214/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nature of the non-vitreous component</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/02" 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>C03C2214/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fibres</text></title-part><title-part><text>Filaments</text></title-part><title-part><text>Yarns</text></title-part><title-part><text>Felts</text></title-part><title-part><text>Woven material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C214/03" 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>C03C2214/03</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>surface treated, e.g. coated</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/04" 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>C03C2214/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Particles</text></title-part><title-part><text>Flakes</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C214/05" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2214/05</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>surface treated, e.g. coated</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/06" 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>C03C2214/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Whiskers ss</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C214/07" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2214/07</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>surface treated, e.g. coated</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/08" 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>C03C2214/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/10" 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>C03C2214/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Superconducting materials</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/12" 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>C03C2214/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Polymers</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/14" 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>C03C2214/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Waste material, e.g. to be disposed of</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/16" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2214/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Microcrystallites, e.g. of optically or electrically active material</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/17" 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>C03C2214/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>in molecular form (for molecular composites)</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/20" 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>C03C2214/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass-ceramics matrix</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/30" 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>C03C2214/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods of making the composites</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/32" 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>C03C2214/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising a sol-gel process</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C214/34" 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>C03C2214/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising an impregnation by molten glass step</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="C03C217/00" 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>C03C2217/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings on glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C217/20" 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>C03C2217/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Materials for coating a single layer on glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/21" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/21</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/211" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/211</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>SnO<sub>2</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/212" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/212</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>TiO<sub>2</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/213" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/213</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>SiO<sub>2</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/214" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/214</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Al<sub>2</sub>O<sub>3</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/215" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/215</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>In<sub>2</sub>O<sub>3</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/216" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/216</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ZnO</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/217" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/217</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>FeOx, CoOx, NiOx</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/218" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/218</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>V<sub>2</sub>O<sub>5</sub>, Nb<sub>2</sub>O<sub>5</sub>, Ta<sub>2</sub>O<sub>5</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/219" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/219</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>CrOx, MoOx, WOx</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/22" 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>C03C2217/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>ZrO<sub>2</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/228" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/228</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other specific oxides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/229" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/229</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-specific enumeration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/23" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/23</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/231" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/231</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>In<sub>2</sub>O<sub>3/</sub>SnO<sub>2</sub></text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/232" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/232</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>CdO/SnO<sub>2</sub></text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/24" 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>C03C2217/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Doped oxides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/241" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/241</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with halides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/242" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with rare earth metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/243" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/243</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with S, Se, Te</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/244" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with Sb</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="C03C217/25" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/25</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/251" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/251</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Al, Cu, Mg or noble metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/252" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/252</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Al</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/253" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/253</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cu</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/254" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/254</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Noble metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03C217/255" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/255</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Au</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03C217/256" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/256</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ag</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/257" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/257</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Refractory metals</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/258" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/258</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ti, Zr, Hf</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/259" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/259</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>V, Nb, Ta</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/26" 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>C03C2217/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cr, Mo, W</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/261" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/261</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>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="10" additional-only="true" sort-key="C03C217/262" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/262</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Light metals other than Al</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/263" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/263</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals other than noble metals, Cu or Hg</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This code is only to be used in combination with <class-ref scheme="cpc">C03C</class-ref> classification symbols having the +IDT notation.</note-paragraph></note></notes-and-warnings></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/268" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/268</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other specific metals</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/269" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/269</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-specific enumeration</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/27" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/27</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures of metals, alloys</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/28" 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>C03C2217/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other inorganic materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/281" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/281</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/282" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/282</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbides, silicides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/283" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/283</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Borides, phosphides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/284" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/284</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/285" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/285</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fluorides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/286" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/286</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chlorides</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/287" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/287</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Chalcogenides</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/288" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/288</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfides</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/289" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/289</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Selenides, tellurides</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="C03C217/29" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/29</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C217/40" 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>C03C2217/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings comprising at least one inhomogeneous layer</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/42" 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>C03C2217/42</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of particles only</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/425" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/425</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of a porous layer</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/43" 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>C03C2217/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of a dispersed phase in a continuous phase</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/44" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/44</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterized by the composition of the continuous phase</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/445" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/445</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic continuous phases</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/45" 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>C03C2217/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic continuous phases</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03C217/452" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/452</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Glass</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/46" 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>C03C2217/46</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>characterized by the dispersed phase</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/465" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/465</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having a specific shape</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/47" 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>C03C2217/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>consisting of a specific material</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03C217/475" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/475</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic materials</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C03C217/476" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/476</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Tin oxide or doped tin oxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C03C217/477" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/477</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Titanium oxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="13" additional-only="true" sort-key="C03C217/478" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/478</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="13" additional-only="true" sort-key="C03C217/479" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/479</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Metals</text></title-part></class-title></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C217/48" 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>C03C2217/48</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>having a specific function</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="12" additional-only="true" sort-key="C03C217/485" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/485</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pigments</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C217/70" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/70</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Properties of coatings</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/71" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/71</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Photocatalytic coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/72" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/72</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Decorative coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/73" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/73</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Anti-reflective coatings with specific characteristics</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/732" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/732</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>made of a single layer</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/734" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/734</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>comprising an alternation of high and low refractive indexes</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/74" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/74</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>UV-absorbing coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/75" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/75</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophilic and oleophilic coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/76" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/76</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrophobic and oleophobic coatings</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/77" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/77</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings having a rough surface</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/775" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/775</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to provide anti-slip characteristics</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/78" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/78</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings specially designed to be durable, e.g. scratch-resistant</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C217/90" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/90</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Other aspects of coatings</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/91" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/91</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing at least one layer having a composition gradient through its thickness</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/92" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/92</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coating of crystal glass</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/93" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/93</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coatings containing a reinforcement comprising fibers or grids</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C217/94" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/94</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Transparent conductive oxide layers [TCO] being part of a multilayer coating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/944" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/944</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layers comprising zinc oxide</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C217/948" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2217/948</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Layers comprising indium tin oxide [ITO]</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="C03C218/00" 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>C03C2218/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods for coating glass</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C218/10" 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>C03C2218/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Deposition methods</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/11" 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>C03C2218/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from solutions or suspensions</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/111" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/111</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by dipping, immersion</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/112" 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>C03C2218/112</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by spraying</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/113" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/113</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sol-gel processes</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/114" 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>C03C2218/114</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by brushing, pouring or doctorblading</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/115" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>electro-enhanced deposition</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/116" 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>C03C2218/116</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by spin-coating, centrifugation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/117" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/117</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by ultrasonic methods</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/118" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/118</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by roller-coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/119" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/119</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by printing</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/13" 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>C03C2218/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from melts</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/15" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from the vapour phase</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/151" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/151</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by vacuum evaporation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/152" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/152</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by cvd</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C218/1525" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/1525</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by atmospheric CVD</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C218/153" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/153</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by plasma-enhanced cvd</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/154" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/154</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by sputtering</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C218/155" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/155</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reactive sputtering</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C218/156" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/156</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by magnetron sputtering</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="C03C218/17" 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>C03C2218/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from a solid phase</text></title-part></class-title></classification-item></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="C03C218/30" 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>C03C2218/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aspects of methods for coating glass not covered above</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/31" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/31</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Pre-treatment</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/32" 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>C03C2218/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>After-treatment</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/322" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/322</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oxidation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/324" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/324</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>De-oxidation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/326" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/326</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitriding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="C03C218/328" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/328</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Partly or completely removing a coating</text></title-part></class-title>
<classification-item breakdown-code="true" not-allocatable="false" level="11" additional-only="true" sort-key="C03C218/33" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by etching</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="C03C218/335" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/335</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Reverse coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/34" 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>C03C2218/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Masking</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/345" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/345</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Surface crystallisation</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/35" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Exuding</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/355" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/355</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Temporary coating</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/36" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Underside coating of a glass sheet</text></title-part></class-title></classification-item>
<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="C03C218/365" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C03C2218/365</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coating different sides of a glass substrate</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme>