Top IPC subclasses
1
|
A61K
|
228
|
Preparations for medical, dental, or toilet purposes
|
2
|
C07C
|
215
|
Acyclic or carbocyclic compounds
|
3
|
C07F
|
119
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
4
|
A61P
|
113
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
5
|
C07D
|
51
|
Heterocyclic compounds
|
6
|
C01G
|
44
|
Compounds containing metals not covered by subclasses C01D or C01F
|
7
|
B01J
|
10
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
8
|
C01F
|
9
|
compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
|
9
|
C12N
|
8
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
|
10
|
C12R
|
5
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
11
|
H01B
|
5
|
cablesconductorsinsulatorsselection of materials for their conductive, insulating, or dielectric pro
|
12
|
C01B
|
4
|
non-metallic elementscompounds thereof
|
13
|
C08B
|
2
|
polysaccharidesderivatives thereof
|
14
|
G01N
|
2
|
Investigating or analysing materials by determining their chemical or physical properties
|
15
|
A23K
|
2
|
Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
|
16
|
A01K
|
2
|
animal husbandrycare of birds, fishes, insectsfishingrearing or breeding animals, not otherwise prov
|
17
|
C12Q
|
2
|
measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
|
18
|
C04B
|
2
|
Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
|
19
|
A01N
|
2
|
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
|
20
|
C08F
|
1
|
macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
|