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98 lines
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98 lines
53 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="C01C" definition-exists="true" date-revised="2020-05-01" status="published"><classification-symbol>C01C</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>AMMONIA</text></title-part><title-part><text>CYANOGEN</text></title-part><title-part><text>COMPOUNDS THEREOF </text><reference><CPC-specific-text><text>metal hydrides, monoborane, diborane or addition complexes thereof <class-ref scheme="cpc">C01B6/00</class-ref></text></CPC-specific-text><text>; salts of oxyacids of halogens <class-ref scheme="cpc">C01B11/00</class-ref>; peroxides, salts of peroxyacids <class-ref scheme="cpc">C01B15/00</class-ref>; thiosulfates, dithionites, polythionates <class-ref scheme="cpc">C01B17/64</class-ref>; compounds containing selenium or tellurium <class-ref scheme="cpc">C01B19/00</class-ref>; azides <class-ref scheme="cpc">C01B21/08</class-ref>; </text><CPC-specific-text><text>compounds other than ammonia or cyanogen, containing nitrogen, non-metals and optionally metals <class-ref scheme="cpc">C01B21/082</class-ref></text></CPC-specific-text><text>; metal imides or amides <class-ref scheme="cpc">C01B21/092</class-ref>; nitrites <class-ref scheme="cpc">C01B21/50</class-ref>; </text><CPC-specific-text><text>compounds of noble gases <class-ref scheme="cpc">C01B23/0005</class-ref></text></CPC-specific-text><text>; phosphides <class-ref scheme="cpc">C01B25/08</class-ref>; salts of oxyacids of phosphorus <class-ref scheme="cpc">C01B25/16</class-ref>; compounds containing silicon <class-ref scheme="cpc">C01B33/00</class-ref>; compounds containing boron <class-ref scheme="cpc">C01B35/00</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="warning"><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="C01C1/00" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C01C1/00" definition-exists="true" ipc-concordant="C01C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C01C1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ammonia</text></title-part><title-part><text>Compounds thereof </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C01C3/08</class-ref>, <class-ref scheme="cpc">C01C3/14</class-ref>, <class-ref scheme="cpc">C01C3/16</class-ref>, <class-ref scheme="cpc">C01C3/20</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph> Complex ammine salts, e.g. [Pd(NH3)4]Cl2, are <CPC-specific-note> also</CPC-specific-note> classified in the relevant groups of subclasses <class-ref scheme="cpc">C01D</class-ref> - <class-ref scheme="cpc">C01G</class-ref>, according to the metal</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="C01C1/003" definition-exists="false" ipc-concordant="C01C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Storage or handling of ammonia</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="C01C1/006" definition-exists="false" ipc-concordant="C01C1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of solid ammonia storage materials, e.g. complex ammine salts</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="C01C1/02" definition-exists="false" ipc-concordant="C01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation, </text><CPC-specific-text><text>purification</text></CPC-specific-text><text> or separation of ammonia</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/022" definition-exists="false" ipc-concordant="C01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation of aqueous ammonia solutions, i.e. ammonia water</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="C01C1/024" definition-exists="false" ipc-concordant="C01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/024</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purification</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="C01C1/026" definition-exists="false" ipc-concordant="C01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation of ammonia from inorganic compounds</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="C01C1/028" definition-exists="false" ipc-concordant="C01C1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from ammonium sulfate or sulfite</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="C01C1/04" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation of ammonia by synthesis </text><CPC-specific-text><text>in the gas phase</text></CPC-specific-text><reference><text>preparation or purification of gas mixtures for ammonia synthesis </text><CPC-specific-text><text><class-ref scheme="cpc">C01B3/025</class-ref></text></CPC-specific-text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/0405" definition-exists="true" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0405</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from N<sub>2</sub> and H<sub>2</sub> in presence of a catalyst</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0411" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0411</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the catalyst</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0417" definition-exists="true" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2017-02-01" status="published"><classification-symbol>C01C1/0417</classification-symbol><class-title date-revised="2017-02-01"><title-part><CPC-specific-text><text>characterised by the synthesis reactor, e.g. arrangement of catalyst beds and heat exchangers in the reactor </text><reference><text>arrangement of several reactors <class-ref scheme="cpc">C01C1/0405</class-ref>; fixed-bed reactors in general <class-ref scheme="cpc">B01J8/02</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0423" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0423</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cold wall reactors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0429" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0429</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Fluidized or moving bed reactors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0435" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0435</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Horizontal reactors</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0441" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0441</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Reactors with the catalyst arranged in tubes</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0447" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0447</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus other than synthesis reactors</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0452" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0452</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Heat exchangers</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0458" definition-exists="true" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0458</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Separation of NH<sub>3</sub> </text><reference><text>during purge gas treatment <class-ref scheme="cpc">C01C1/0476</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/0464" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0464</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by absorption in liquids, e.g. water</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C1/047" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/047</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by condensation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0476" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0476</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purge gas treatment, e.g. for removal of inert gases or recovery of H<sub>2</sub></text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0482" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0482</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Process control; Start-up or cooling-down procedures</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/0488" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0488</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Processes integrated with preparations of other compounds, e.g. methanol, urea or with processes for power generation</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/0494" definition-exists="false" ipc-concordant="C01C1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/0494</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using plasma or electric discharge</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="C01C1/08" definition-exists="false" ipc-concordant="C01C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation of ammonia from nitrogenous organic substances</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/083" definition-exists="true" ipc-concordant="C01C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2015-07-01" status="published"><classification-symbol>C01C1/083</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from molasses </text><reference><text>treatment of molasses in general <class-ref scheme="cpc">C13B50/006</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/086" definition-exists="false" ipc-concordant="C01C1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/086</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from urea</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="C01C1/10" definition-exists="true" ipc-concordant="C01C1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of ammonia from ammonia liquors, e.g. gas liquors </text><CPC-specific-text><reference><text>as part of the ammonia synthesis process <class-ref scheme="cpc">C01C1/04</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/12" definition-exists="true" ipc-concordant="C01C1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation of ammonia from gases and vapours </text><CPC-specific-text><reference><text>as part of the ammonia synthesis process <class-ref scheme="cpc">C01C1/04</class-ref></text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/14" definition-exists="false" ipc-concordant="C01C1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Saturators</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C01C1/16" definition-exists="false" ipc-concordant="C01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Halides of ammonium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/162" definition-exists="false" ipc-concordant="C01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/162</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonium fluoride</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="C01C1/164" definition-exists="false" ipc-concordant="C01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/164</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonium chloride</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="C01C1/166" definition-exists="false" ipc-concordant="C01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/166</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonium bromide</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="C01C1/168" definition-exists="false" ipc-concordant="C01C1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/168</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonium iodide</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="C01C1/18" definition-exists="false" ipc-concordant="C01C1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Nitrates of ammonium</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/185" definition-exists="false" ipc-concordant="C01C1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/185</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation</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="C01C1/20" definition-exists="false" ipc-concordant="C01C1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfides</text></title-part><title-part><text>Polysulfides</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="C01C1/22" definition-exists="false" ipc-concordant="C01C1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfites of ammonium</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="C01C1/24" definition-exists="true" ipc-concordant="C01C1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/24</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Sulfates of ammonium </text><reference><text><class-ref scheme="cpc">C01C1/14</class-ref> takes precedence</text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/242" definition-exists="false" ipc-concordant="C01C1/242" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation from ammonia and sulfuric acid or sulfur trioxide</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="C01C1/244" definition-exists="false" ipc-concordant="C01C1/244" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/244</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation by double decomposition of ammonium salts with sulfates</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="C01C1/245" definition-exists="false" ipc-concordant="C01C1/245" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation from compounds containing nitrogen and sulfur</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C1/246" definition-exists="false" ipc-concordant="C01C1/246" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/246</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>from sulfur-containing ammonium compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C1/247" definition-exists="false" ipc-concordant="C01C1/247" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by oxidation with free oxygen</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C1/248" definition-exists="false" ipc-concordant="C01C1/248" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/248</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preventing coalescing or controlling form or size of the crystals</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="C01C1/249" definition-exists="false" ipc-concordant="C01C1/249" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/249</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Deacidifying </text><CPC-specific-text><text>or drying</text></CPC-specific-text><text> the crystals</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="C01C1/26" definition-exists="false" ipc-concordant="C01C1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Carbonates or bicarbonates of ammonium</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="C01C1/28" definition-exists="false" ipc-concordant="C01C1/28" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>C01C1/28</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Methods of preparing ammonium salts in general</text></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><note type="note"><note-paragraph>This group <u>does not cover</u> ammonium salts of complex acids (other than complex cyanides) containing a metal in the anion, which are covered by the relevant groups of subclasses <class-ref scheme="cpc">C01D</class-ref> - <class-ref scheme="cpc">C01G</class-ref>, according to the metal.</note-paragraph><note-paragraph>Salts of polybasic acids with ammonium and a metal as cations are classified as though the ammonium were hydrogen.</note-paragraph></note></notes-and-warnings></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="C01C3/00" definition-exists="false" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyanogen</text></title-part><title-part><text>Compounds thereof</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="C01C3/001" definition-exists="true" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation by decomposing nitrogen-containing organic compounds, e.g. molasse waste or urea </text><reference><text>by distillation of carbamates <class-ref scheme="cpc">C01C3/02</class-ref>, <class-ref scheme="cpc">C01C3/08</class-ref>, <class-ref scheme="cpc">C01C3/14</class-ref>, <class-ref scheme="cpc">C01C3/16</class-ref>; by decomposing formamide or ammonium formate <class-ref scheme="cpc">C01C3/0204</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="C01C3/002" definition-exists="false" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Synthesis of metal cyanides or metal cyanamides from elementary nitrogen and carbides</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="C01C3/003" definition-exists="true" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cyanogen</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="C01C3/004" definition-exists="true" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Halogenides of cyanogen</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="C01C3/005" definition-exists="true" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Thiocyanogen</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="C01C3/006" definition-exists="true" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Sulfurdicyanide</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="C01C3/007" definition-exists="false" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Ammonium cyanide</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="C01C3/008" definition-exists="false" ipc-concordant="C01C3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Cyanazide</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="C01C3/02" definition-exists="true" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Preparation, </text><CPC-specific-text><text>separation or purification</text></CPC-specific-text><text> of hydrogen cyanide </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C01C3/001</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="C01C3/0204" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0204</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from formamide or from ammonium formate</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="C01C3/0208" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0208</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Preparation in gaseous phase</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="C01C3/0212" definition-exists="true" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0212</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from hydrocarbons and ammonia in the presence of oxygen, e.g. the Andrussow-process</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C3/0216" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0216</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the catalyst used</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C3/022" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/022</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Apparatus therefor</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="12" additional-only="false" sort-key="C01C3/0225" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0225</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>characterised by the synthesis reactor</text></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0229" definition-exists="true" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0229</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from hydrocarbons and ammonia in the absence of oxygen, e.g. HMA-process</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C3/0233" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0233</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>making use of fluidised beds, e.g. the Shawinigan-process</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0237" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0237</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from carbon monoxide and ammonia</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0241" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0241</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from alcohols or aldehydes</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0245" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from organic nitriles, e.g. acetonitrile</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/025" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>by using a plasma</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="C01C3/0254" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0254</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from cyanates or from thiocyanates</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="C01C3/0258" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0258</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from cyanamides or derivatives thereof</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="C01C3/0262" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0262</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from cyanides</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="C01C3/0266" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0266</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from simple alkali or alkaline earth metal cyanides</text></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C3/027" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/027</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alkali metal cyanides</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="C01C3/0275" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0275</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Alkaline earth metal cyanides</text></CPC-specific-text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0279" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0279</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from ammonium cyanide</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0283" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0283</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from simple or complex cyanides of the noble metals</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0287" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0287</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from simple or complex cyanides of other transition metals, e.g. from iron cyanides</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="C01C3/0291" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0291</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>from simple or complex cyanides of other metals</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="C01C3/0295" definition-exists="false" ipc-concordant="C01C3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/0295</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Purification</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="C01C3/04" definition-exists="false" ipc-concordant="C01C3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Separation from gases</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="C01C3/06" definition-exists="false" ipc-concordant="C01C3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Stabilisation of hydrogen cyanide</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="C01C3/08" definition-exists="true" ipc-concordant="C01C3/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simple or complex cyanides of metals </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C01C3/001</class-ref>, <class-ref scheme="cpc">C01C3/002</class-ref> take precedence</text></reference></CPC-specific-text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C3/10" definition-exists="false" ipc-concordant="C01C3/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simple alkali metal cyanides</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="C01C3/11" definition-exists="false" ipc-concordant="C01C3/11" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/11</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Complex cyanides</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="C01C3/12" definition-exists="false" ipc-concordant="C01C3/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Simple or complex iron cyanides</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="C01C3/14" definition-exists="true" ipc-concordant="C01C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyanic </text><CPC-specific-text><text>or isocyanic</text></CPC-specific-text><text> acid</text></title-part><title-part><text>Salts thereof </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C01C3/001</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="C01C3/145" definition-exists="true" ipc-concordant="C01C3/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Isocyanic acid; Salts thereof</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="C01C3/16" definition-exists="true" ipc-concordant="C01C3/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/16</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Cyanamide</text></title-part><title-part><text>Salts thereof </text><reference><CPC-specific-text><text><class-ref scheme="cpc">C01C3/001</class-ref>, <class-ref scheme="cpc">C01C3/002</class-ref> takes precedence</text></CPC-specific-text><text>; dicyandiamide <class-ref scheme="cpc">C07C279/28</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="C01C3/18" definition-exists="true" ipc-concordant="C01C3/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Calcium cyanamide</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="C01C3/20" definition-exists="true" ipc-concordant="C01C3/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>C01C3/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Thiocyanic acid</text></title-part><title-part><text>Salts thereof </text><CPC-specific-text><reference><text><class-ref scheme="cpc">C01C3/001</class-ref> takes precedence</text></reference></CPC-specific-text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></class-scheme> |