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81 lines
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81 lines
41 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="B03D" definition-exists="true" date-revised="2020-05-01" status="published"><classification-symbol>B03D</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>FLOTATION</text></title-part><title-part><text>DIFFERENTIAL SEDIMENTATION </text><reference><text>sedimentation in general <class-ref scheme="cpc">B01D21/00</class-ref>; in combination with other separation of solids <class-ref scheme="cpc">B03B</class-ref>; sink-float separation <class-ref scheme="cpc">B03B5/28</class-ref>; detergents, soaps <class-ref scheme="cpc">C11D</class-ref></text></reference></title-part></class-title><notes-and-warnings date-revised="2013-01-01"><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="B03D1/00" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/00</classification-symbol>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B03D1/00" definition-exists="true" ipc-concordant="B03D1/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B03D1/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flotation </text><reference><text>conditioning for flotation, general arrangement of plan <class-ref scheme="cpc">B03B</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="B03D1/001" definition-exists="true" ipc-concordant="B03D1/001" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2016-05-01" status="published"><classification-symbol>B03D1/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flotation agents </text><reference><text>conditioners <class-ref scheme="cpc">B03B1/00</class-ref></text></reference></title-part></class-title><notes-and-warnings><note type="note"><note-paragraph>In this group, the last place priority rule is applied, i.e. at each hierarchical level, in the absence of an indication to the contrary, classification is made in the last appropriate place.</note-paragraph><note-paragraph>In this group, it is desirable to add the appropriate indexing code(s) from each of groups <class-ref scheme="cpc">B03D2201/00</class-ref> or <class-ref scheme="cpc">B03D2203/00</class-ref>.</note-paragraph></note></notes-and-warnings>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B03D1/002" definition-exists="false" ipc-concordant="B03D1/002" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Inorganic compounds</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B03D1/004" definition-exists="false" ipc-concordant="B03D1/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/004</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Organic compounds</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B03D1/0043" definition-exists="false" ipc-concordant="B03D1/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/0043</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>modified so as to contain a polyether group</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="B03D1/0046" definition-exists="false" ipc-concordant="B03D1/004" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/0046</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>containing silicon</text></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B03D1/006" definition-exists="false" ipc-concordant="B03D1/006" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Hydrocarbons</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B03D1/008" definition-exists="false" ipc-concordant="B03D1/008" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing oxygen</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="B03D1/01" definition-exists="false" ipc-concordant="B03D1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/01</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing nitrogen</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="11" additional-only="false" sort-key="B03D1/011" definition-exists="false" ipc-concordant="B03D1/01" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/011</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Quaternary ammonium compounds</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="B03D1/012" definition-exists="false" ipc-concordant="B03D1/012" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/012</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing sulfur</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="B03D1/014" definition-exists="false" ipc-concordant="B03D1/014" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/014</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>containing phosphorus</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="B03D1/016" definition-exists="false" ipc-concordant="B03D1/016" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/016</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Macromolecular compounds</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="B03D1/018" definition-exists="false" ipc-concordant="B03D1/018" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/018</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Mixtures of inorganic and organic compounds</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="B03D1/02" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Froth-flotation processes</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B03D1/021" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/021</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>for treatment of phosphate ores</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="B03D1/023" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/023</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Carrier flotation; Flotation of a carrier material to which the target material attaches</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="B03D1/025" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>adapted for the flotation of fines</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="B03D1/026" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/026</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Using an immiscible liquid in place of a gas for flotation</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="B03D1/028" definition-exists="false" ipc-concordant="B03D1/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/028</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Control and monitoring of flotation processes; computer models therefor</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="B03D1/04" definition-exists="false" ipc-concordant="B03D1/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>by varying ambient atmospheric pressure</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="B03D1/06" definition-exists="false" ipc-concordant="B03D1/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>differential</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="B03D1/08" definition-exists="true" ipc-concordant="B03D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Subsequent treatment of concentrated product </text><reference><text>froth dispersion <class-ref scheme="cpc">B01D19/02</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="B03D1/082" definition-exists="false" ipc-concordant="B03D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/082</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the froth product, e.g. washing</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="B03D1/085" definition-exists="false" ipc-concordant="B03D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/085</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the feed, e.g. conditioning, de-sliming</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="B03D1/087" definition-exists="false" ipc-concordant="B03D1/08" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/087</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>of the sediment, e.g. regrinding</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="B03D1/10" definition-exists="false" ipc-concordant="B03D1/10" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Removing adhering liquid from separated materials </text><reference><text>processes or devices capable of general use <class-ref scheme="cpc">B01D</class-ref></text></reference></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B03D1/12" definition-exists="false" ipc-concordant="B03D1/12" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/12</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agent recovery</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="B03D1/14" definition-exists="true" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/14</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flotation machines </text><reference><text>devices for feeding measured quantities of reagents <class-ref scheme="cpc">B01J4/02</class-ref>; flotation apparatus for enzymology or microbiology <class-ref scheme="cpc">C12M1/09</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="B03D1/1406" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1406</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another</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="B03D1/1412" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1412</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with baffles, e.g. at the wall for redirecting settling solids</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="B03D1/1418" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1418</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using centrifugal forces</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="B03D1/1425" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1425</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>air-sparged hydrocyclones</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="B03D1/1431" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1431</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Dissolved air flotation machines</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="B03D1/1437" definition-exists="true" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1437</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>using electroflotation </text><reference><text>waste water treatment using electroflotation <class-ref scheme="cpc">C02F1/465</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="B03D1/1443" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1443</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed or discharge mechanisms for flotation tanks</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="B03D1/145" definition-exists="true" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/145</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed mechanisms for reagents </text><reference><text>devices for feeding measured quantities of reagents <class-ref scheme="cpc">B01J4/02</class-ref></text></reference></CPC-specific-text></title-part></class-title></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="10" additional-only="false" sort-key="B03D1/1456" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1456</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Feed mechanisms for the slurry</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="B03D1/1462" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1462</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge mechanisms for the froth</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="B03D1/1468" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1468</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Discharge mechanisms for the sediments</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="B03D1/1475" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1475</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Flotation tanks having means for discharging the pulp, e.g. as a bleed stream</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="B03D1/1481" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1481</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with a plurality of parallel plates</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="B03D1/1487" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1487</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Means for cleaning or maintenance</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="B03D1/1493" definition-exists="false" ipc-concordant="B03D1/14" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/1493</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>with means for establishing a specified flow pattern</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="B03D1/16" definition-exists="true" ipc-concordant="B03D1/16" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B03D1/16</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>with impellers</text></title-part><title-part><text>Subaeration machines </text><CPC-specific-text><reference><text>mixing gases or vapours with liquids <class-ref scheme="cpc">B01F23/20</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="B03D1/18" definition-exists="false" ipc-concordant="B03D1/18" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/18</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>without air supply</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="B03D1/20" definition-exists="false" ipc-concordant="B03D1/20" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/20</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with internal air pumps</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="B03D1/22" definition-exists="false" ipc-concordant="B03D1/22" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/22</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>with external blowers</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="B03D1/24" definition-exists="true" ipc-concordant="B03D1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B03D1/24</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Pneumatic </text><CPC-specific-text><reference><text>mixing gases or vapours with liquids <class-ref scheme="cpc">B01F23/20</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="B03D1/242" definition-exists="false" ipc-concordant="B03D1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/242</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Nozzles for injecting gas into the flotation tank</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="B03D1/245" definition-exists="false" ipc-concordant="B03D1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/245</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Injecting gas through perforated or porous area</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="B03D1/247" definition-exists="false" ipc-concordant="B03D1/24" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/247</classification-symbol><class-title date-revised="2013-01-01"><title-part><CPC-specific-text><text>Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type</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="B03D1/26" definition-exists="false" ipc-concordant="B03D1/26" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D1/26</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Air lift machines</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="false" not-allocatable="false" level="7" additional-only="false" sort-key="B03D3/00" definition-exists="true" ipc-concordant="B03D3/00" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D3/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Differential sedimentation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="8" additional-only="false" sort-key="B03D3/02" definition-exists="false" ipc-concordant="B03D3/02" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D3/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coagulation</text></title-part></class-title>
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<classification-item breakdown-code="false" not-allocatable="false" level="9" additional-only="false" sort-key="B03D3/04" definition-exists="false" ipc-concordant="B03D3/04" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D3/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>assisted by vibrations</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="B03D3/06" definition-exists="false" ipc-concordant="B03D3/06" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D3/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Flocculation</text></title-part></class-title></classification-item></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="true" level="6" additional-only="true" sort-key="B03D201/00" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/00</classification-symbol>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B03D201/00" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2022-01-01" status="published"><classification-symbol>B03D2201/00</classification-symbol><class-title date-revised="2022-01-01"><title-part><text>Specified effects produced by the flotation agents </text><reference><text>use of substances as emulsifying, wetting, dispersing or foam-producing agents <class-ref scheme="cpc">C09K23/00</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B03D201/002" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/002</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coagulants and Flocculants</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="B03D201/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Dispersants</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="B03D201/007" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/007</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Modifying reagents for adjusting pH or conductivity</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="B03D201/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Collectors</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="B03D201/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Frothers</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="B03D201/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2201/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Depressants</text></title-part></class-title></classification-item></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="7" additional-only="true" sort-key="B03D203/00" 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>B03D2203/00</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Specified materials treated by the flotation agents</text></title-part><title-part><text>specified applications </text><reference><text>paper pulp processing <class-ref scheme="cpc">D21F1/70</class-ref>, de-inking of paper pulp <class-ref scheme="cpc">D21B1/325</class-ref></text></reference></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="8" additional-only="true" sort-key="B03D203/001" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/001</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Agricultural products, food, biogas, algae</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="B03D203/003" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/003</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Biotechnological applications, e.g. separation or purification of enzymes, hormones, vitamins, viruses</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="B03D203/005" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/005</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Fine and commodity chemicals</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="B03D203/006" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/006</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Oil well fluids, oil sands, bitumen</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="B03D203/008" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/008</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Water purification, e.g. for process water recycling </text><reference><text>waste water treatment <class-ref scheme="cpc">C02F1/24</class-ref></text></reference></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="B03D203/02" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/02</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Ores</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="9" additional-only="true" sort-key="B03D203/025" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/025</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Precious metal ores</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="B03D203/04" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/04</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Non-sulfide ores</text></title-part></class-title>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B03D203/06" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/06</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Phosphate ores</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B03D203/08" definition-exists="false" ipc-concordant="CPCONLY" c-set-base-allowed="false" c-set-subsequent-allowed="true" date-revised="2013-01-01" status="published"><classification-symbol>B03D2203/08</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Coal ores, fly ash or soot</text></title-part></class-title></classification-item>
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<classification-item breakdown-code="true" not-allocatable="false" level="10" additional-only="true" sort-key="B03D203/10" 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>B03D2203/10</classification-symbol><class-title date-revised="2013-01-01"><title-part><text>Potassium ores</text></title-part></class-title></classification-item></classification-item></classification-item></classification-item></classification-item></classification-item></class-scheme> |