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67 lines
39 KiB
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67 lines
39 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<class-scheme publication-date="2023-02-01" scheme-type="cpc" publication-type="official">
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<classification-item breakdown-code="false" not-allocatable="true" level="5" additional-only="false" sort-key="A62D" definition-exists="true" date-revised="2018-08-01" status="published"><classification-symbol>A62D</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS</text></title-part><title-part><text>CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><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">A62D1/02</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">A62D1/0007</class-ref>, <class-ref scheme="cpc">A62D1/0071</class-ref></entry></row><row><entry><class-ref scheme="ipc">A62D1/04</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">A62D1/0071</class-ref></entry></row><row><entry><class-ref scheme="ipc">A62D1/08</class-ref></entry><entry> covered by </entry><entry><class-ref scheme="cpc">A62D1/0007</class-ref>-<class-ref scheme="cpc">A62D1/0028</class-ref>, <class-ref scheme="cpc">A62D1/0057</class-ref>, <class-ref scheme="cpc">A62D1/0092</class-ref></entry></row></table></note-paragraph><note-paragraph>In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="true" level="6" additional-only="false" sort-key="A62D1/00" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="A62D1/00" definition-exists="true" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fire-extinguishing compositions</text></title-part><title-part><text>Use of chemical substances in extinguishing fires </text><reference><text>fireproof paints <class-ref scheme="cpc">C09D5/18</class-ref>; fireproofing materials <class-ref scheme="cpc">C09K21/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D1/0007" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Solid extinguishing substances</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0014" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0014</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Powders; Granules</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0021" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Microcapsules</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D1/0028" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Liquid extinguishing substances </text><reference><text><class-ref scheme="cpc">A62D1/0092</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0035" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0035</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Aqueous solutions</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D1/0042" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0042</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>"Wet" water, i.e. containing surfactant</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/005" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dispersions; Emulsions</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0057" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0057</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Polyhaloalkanes </text><reference><text><class-ref scheme="cpc">A62D1/005</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D1/0064" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0064</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Gels; Film-forming compositions</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="A62D1/0071" definition-exists="false" ipc-concordant="A62D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0071</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Foams</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0078" definition-exists="false" ipc-concordant="A62D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0078</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing proteins or protein derivatives</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D1/0085" definition-exists="false" ipc-concordant="A62D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing perfluoroalkyl-terminated surfactant</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D1/0092" definition-exists="false" ipc-concordant="A62D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/0092</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Gaseous extinguishing substances, e.g. liquefied gases, carbon dioxide snow </text><reference><text>freons or halons <class-ref scheme="cpc">A62D1/005</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D1/06" definition-exists="false" ipc-concordant="A62D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing gas-producing, chemically-reactive components</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="A62D3/00" definition-exists="true" ipc-concordant="A62D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2019-01-01" status="published"><classification-symbol>A62D3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Processes for making harmful chemical substances harmless or less harmful, by effecting a chemical change in the substances </text><reference><text>consuming noxious gases by combustion <class-ref scheme="cpc">F23G7/06</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This group <u>does not cover</u>:<subnote type="bullet"><note-paragraph> chemical or physico-chemical type processes where eradicating or diminishing the dangerousness of harmful chemical substances produces useful products, e.g. cement. These types of processes are covered by the appropriate subclass for making the specific product. However, in situations where processes for making products include a subset of process steps with eradicating or diminishing the dangerousness of a harmful chemical substance as its fundamental goal, and this subset is in itself novel and unobvious, this subset is covered by group <class-ref scheme="cpc">A62D3/00</class-ref>. </note-paragraph></subnote></note-paragraph><note-paragraph>In this group the following term is used with the meaning indicated: "harmful chemical substances" are chemical waste substances which are too hazardous or toxic to be discarded in an ordinary municipal landfill. </note-paragraph><note-paragraph> In this group, the first 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 first appropriate place. </note-paragraph><note-paragraph>In this group, it is desirable to add the indexing code(s) of group <class-ref scheme="cpc">A62D2101/00</class-ref> relating to the nature of the harmful chemical substance.</note-paragraph><note-paragraph><CPC-specific-note>This group <u>covers</u> <subnote type="bullet"><note-paragraph> Processes for combatting harmful chemical substances or agents or materials containing harmful chemical agents. These processes can be chemical or physico-chemical, e.g. use of special chemical reagents for chemical fixing, and result in the decomposition or transformation of the agents in harmless or less harmful substances, because of the change in its chemical constitution. These processes can comprise the step of dissolving or dispersing the hazardous substances in water for the purpose of treating them or the step of producing a gaseous product from a non-gaseous hazardous substance.</note-paragraph><note-paragraph> Treatment of specific hazardous substances in sludge, e.g. residue from industrial processes, with the exception of sludge from (municipal) sewage treatment.</note-paragraph></subnote></CPC-specific-note></note-paragraph><note-paragraph><CPC-specific-note>This group <u>does not cover</u>:<subnote type="bullet"><note-paragraph>Chemical or biological purification of smoke or fumes, covered by <class-ref scheme="cpc">B01D53/34</class-ref></note-paragraph><note-paragraph>Disposal of solid waste, destroying solid waste or transforming solid waste into something useful or harmless, covered by <class-ref scheme="cpc">B09B</class-ref></note-paragraph><note-paragraph>Chemical reclamation of contaminated soil, covered by <class-ref scheme="cpc">B09C1/08</class-ref></note-paragraph><note-paragraph>Treatment of waste water, sewage or sludge, covered by <class-ref scheme="cpc">C02F</class-ref></note-paragraph><note-paragraph>Incorporating waste or residues in a glass or vitreous matrix covered by <class-ref scheme="cpc">C03C1/00</class-ref></note-paragraph><note-paragraph>Incorporating waste or residues in cement or cementitious compositions, covered by <class-ref scheme="cpc">C04B7/24</class-ref></note-paragraph><note-paragraph>Use of waste materials as filler for mortars, concrete or the like covered by <class-ref scheme="cpc">C04B18/04</class-ref></note-paragraph><note-paragraph>Destructive distillation, covered by <class-ref scheme="cpc">C10B53/00</class-ref></note-paragraph><note-paragraph>Obtaining metals from residues or scrap, covered by <class-ref scheme="cpc">C22B</class-ref></note-paragraph><note-paragraph>Consuming waste by combustion, covered by <class-ref scheme="cpc">F23G</class-ref></note-paragraph><note-paragraph>Treatment of radioactively-contaminated waste, covered by <class-ref scheme="cpc">G21F9/00</class-ref></note-paragraph></subnote></CPC-specific-note></note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D3/02" definition-exists="false" ipc-concordant="A62D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>A62D3/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>by biological methods, i.e. processes using enzymes or microorganisms</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="A62D3/10" definition-exists="false" ipc-concordant="A62D3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by subjecting to electric or wave energy or particle or ionizing radiation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/11" definition-exists="false" ipc-concordant="A62D3/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrochemical processes, e.g. electrodialysis</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D3/115" definition-exists="false" ipc-concordant="A62D3/115" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/115</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Electrolytic degradation or conversion</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/13" definition-exists="false" ipc-concordant="A62D3/13" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/13</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to sonic energy</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/15" definition-exists="false" ipc-concordant="A62D3/15" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/15</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to particle radiation, e.g. electron beam radiation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/17" definition-exists="false" ipc-concordant="A62D3/17" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/17</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to electromagnetic radiation, e.g. emitted by a laser</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D3/172" definition-exists="false" ipc-concordant="A62D3/172" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>A62D3/172</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Gamma rays, i.e. radiation having a wavelength of about 0.003nm to 0.03 nm</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D3/174" definition-exists="false" ipc-concordant="A62D3/174" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>A62D3/174</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>X-rays, i.e. radiation having a wavelength of about 0.03nm to 3nm</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D3/176" definition-exists="false" ipc-concordant="A62D3/176" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>A62D3/176</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ultraviolet radiations, i.e. radiation having a wavelength of about 3nm to 400nm</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="A62D3/178" definition-exists="false" ipc-concordant="A62D3/178" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2014-02-04" status="published"><classification-symbol>A62D3/178</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Microwave radiations, i.e. radiation having a wavelength of about 0.3 cm to 30cm</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/19" definition-exists="false" ipc-concordant="A62D3/19" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/19</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>to plasma</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D3/20" definition-exists="false" ipc-concordant="A62D3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hydropyrolysis or destructive steam gasification, e.g. using water and heat or supercritical water, to effect chemical change</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="A62D3/30" definition-exists="false" ipc-concordant="A62D3/30" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/30</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reacting with chemical agents</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/32" definition-exists="false" ipc-concordant="A62D3/32" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/32</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by treatment in molten chemical reagent, e.g. salts or metals</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/33" definition-exists="false" ipc-concordant="A62D3/33" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/33</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by chemical fixing the harmful substance, e.g. by chelation or complexation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/34" definition-exists="false" ipc-concordant="A62D3/34" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/34</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dehalogenation using reactive chemical agents able to degrade</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/35" definition-exists="false" ipc-concordant="A62D3/35" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/35</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by hydrolysis</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/36" definition-exists="false" ipc-concordant="A62D3/36" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/36</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Detoxification by using acid or alkaline reagents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/37" definition-exists="false" ipc-concordant="A62D3/37" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/37</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by reduction, e.g. hydrogenation</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="A62D3/38" definition-exists="false" ipc-concordant="A62D3/38" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/38</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by oxidation</text></title-part><title-part><text>by combustion</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D3/40" definition-exists="false" ipc-concordant="A62D3/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D3/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by heating to effect chemical change, e.g. pyrolysis</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="A62D5/00" definition-exists="true" ipc-concordant="A62D5/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D5/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composition of materials for coverings or clothing affording protection against harmful chemical agents</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="A62D7/00" definition-exists="true" ipc-concordant="A62D7/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D7/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Composition of materials for transparent parts of gas-masks, respirators, breathing bags, or helmets</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="A62D7/02" definition-exists="true" ipc-concordant="A62D7/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>A62D7/02</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Clear-view sheets which prevent the formation of water drops or ice</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="A62D9/00" definition-exists="true" ipc-concordant="A62D9/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2021-05-01" status="published"><classification-symbol>A62D9/00</classification-symbol><class-title date-revised="2021-05-01"><title-part><text>Composition of chemical substances for use in breathing apparatus</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="A62D101/00" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="A62D101/00" definition-exists="false" ipc-concordant="A62D101/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>A62D2101/00</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Harmful chemical substances made harmless, or less harmful, by effecting chemical change</text></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>The indexing codes of group <class-ref scheme="cpc">A62D2101/00</class-ref> are to be used for identifying the origin or chemical nature of the harmful chemical substances which are made harmless or less harmful by processes already classified as such in groups <class-ref scheme="cpc">A62D3/02</class-ref> - <class-ref scheme="cpc">A62D3/40</class-ref></note-paragraph><note-paragraph>When indexing a substance in groups <class-ref scheme="cpc">A62D2101/02</class-ref> - <class-ref scheme="cpc">A62D2101/08</class-ref>, indexing according to its chemical structure is also made in one or more of groups <class-ref scheme="cpc">A62D2101/20</class-ref> - <class-ref scheme="cpc">A62D2101/40</class-ref>, if of interest </note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/02" definition-exists="false" ipc-concordant="A62D101/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>A62D2101/02</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Chemical warfare substances, e.g. cholinesterase inhibitors</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/04" definition-exists="false" ipc-concordant="A62D101/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>A62D2101/04</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Pesticides, e.g. insecticides, herbicides, fungicides or nematocides</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/06" definition-exists="false" ipc-concordant="A62D101/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Explosives, propellants or pyrotechnics, e.g. rocket fuel or napalm</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/08" definition-exists="false" ipc-concordant="A62D101/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-08-01" status="published"><classification-symbol>A62D2101/08</classification-symbol><class-title date-revised="2017-08-01"><title-part><text>Toxic combustion residues, e.g. toxic substances contained in fly ash from waste incineration</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/20" definition-exists="false" ipc-concordant="A62D101/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic substances</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/22" definition-exists="false" ipc-concordant="A62D101/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing halogen</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/24" definition-exists="false" ipc-concordant="A62D101/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing heavy metals</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/26" definition-exists="false" ipc-concordant="A62D101/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen or phosphorus</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/28" definition-exists="false" ipc-concordant="A62D101/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D101/40" definition-exists="false" ipc-concordant="A62D101/40" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/40</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic substances</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/41" definition-exists="false" ipc-concordant="A62D101/41" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/41</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic fibres, e.g. asbestos</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/43" definition-exists="false" ipc-concordant="A62D101/43" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/43</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing heavy metals, in the bonded or free state</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/45" definition-exists="false" ipc-concordant="A62D101/45" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/45</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen or phosphorus</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/47" definition-exists="false" ipc-concordant="A62D101/47" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/47</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen, sulfur, selenium or tellurium, i.e. chalcogen</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="A62D101/49" definition-exists="false" ipc-concordant="A62D101/49" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>A62D2101/49</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing halogen</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="A62D203/00" 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>A62D2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Aspects of processes for making harmful chemical substances harmless, or less harmful, by effecting chemical change in the substances</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D203/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>A62D2203/02</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Combined processes involving two or more distinct steps covered by groups <class-ref scheme="cpc">A62D3/10</class-ref> - <class-ref scheme="cpc">A62D3/40</class-ref></text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D203/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>A62D2203/04</classification-symbol><class-title date-revised="2016-05-01"><title-part><text>Combined processes involving two or more non-distinct steps covered by groups <class-ref scheme="cpc">A62D3/10</class-ref> - <class-ref scheme="cpc">A62D3/40</class-ref></text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="A62D203/10" 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>A62D2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Apparatus specially adapted for treating harmful chemical agents</text></title-part><title-part><text>Details thereof</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |