Top IPC subclasses
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1
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C07F
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23
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acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
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|
2
|
C07C
|
22
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Acyclic or carbocyclic compounds
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|
3
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A61K
|
11
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Preparations for medical, dental, or toilet purposes
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|
4
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C12N
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10
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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|
5
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C07D
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9
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Heterocyclic compounds
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|
6
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A61P
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7
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Specific therapeutic activity of chemical compounds or medicinal preparations
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|
7
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C01G
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5
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Compounds containing metals not covered by subclasses C01D or C01F
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|
8
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C01B
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4
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non-metallic elementscompounds thereof
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|
9
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H01B
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4
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cablesconductorsinsulatorsselection of materials for their conductive, insulating, or dielectric pro
|
|
10
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C12R
|
3
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Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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|
11
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C09K
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2
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materials for applications not otherwise provided forapplications of materials not otherwise provide
|
|
12
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B01D
|
1
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Separation
|
|
13
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H01F
|
1
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magnetsinductancestransformersselection of materials for their magnetic properties
|
|
14
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A01H
|
1
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New plants or processes for obtaining them; plant reproduction by tissue culture techniques
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|
15
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B01J
|
1
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Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
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|
16
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C12P
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1
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fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
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|
17
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C01F
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1
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compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
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|
18
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A01N
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1
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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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