Top IPC subclasses
|
1
|
C07C
|
9
|
Acyclic or carbocyclic compounds
|
|
2
|
C07F
|
7
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
3
|
A61K
|
6
|
Preparations for medical, dental, or toilet purposes
|
|
4
|
C01G
|
5
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
5
|
A61P
|
3
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
|
6
|
C07D
|
1
|
Heterocyclic compounds
|
|
7
|
C08B
|
1
|
polysaccharidesderivatives thereof
|
|
8
|
C01B
|
1
|
non-metallic elementscompounds thereof
|
|
9
|
B01J
|
1
|
Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
|
|
10
|
A23K
|
1
|
Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
|
|
11
|
A01K
|
1
|
animal husbandrycare of birds, fishes, insectsfishingrearing or breeding animals, not otherwise prov
|