Top IPC subclasses
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1
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A61K
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34
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Preparations for medical, dental, or toilet purposes
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|
2
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C02F
|
10
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Treatment of water, waste water, sewage, or sludge
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|
3
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A61P
|
9
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Specific therapeutic activity of chemical compounds or medicinal preparations
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|
4
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B01J
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8
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Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
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|
5
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B27K
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8
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processes, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of woo
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6
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C01B
|
6
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non-metallic elementscompounds thereof
|
|
7
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B44D
|
6
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painting or artistic drawing, not otherwise provided forpreserving paintingssurface treatment to obt
|
|
8
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A01C
|
4
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Planting; sowing; fertilising
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|
9
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A61Q
|
4
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use of cosmetics or similar toilet preparations
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|
10
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B41M
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4
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printing, duplicating, marking, or copying processescolour printing
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|
11
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G01N
|
4
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Investigating or analysing materials by determining their chemical or physical properties
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|
12
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A61G
|
3
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transport, personal conveyances, or accommodation specially adapted for patients or disabled persons
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|
13
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A61H
|
3
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physical therapy apparatus, e.g. devices for locating or stimulating reflex points in the bodyartifi
|
|
14
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C09D
|
3
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coating compositions, e.g. paints, varnishes, lacquersfilling pasteschemical paint or ink removersin
|
|
15
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A01G
|
3
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Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
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|
16
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G06T
|
2
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image data processing or generation, in general
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|
17
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C25D
|
2
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processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
|
|
18
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A01P
|
2
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Biocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations
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|
19
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A01N
|
2
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Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulators
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|
20
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B01D
|
1
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Separation
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