Top IPC subclasses
1
|
A61K
|
4
|
Preparations for medical, dental, or toilet purposes
|
2
|
A61P
|
3
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
3
|
C07D
|
2
|
Heterocyclic compounds
|
4
|
C07C
|
1
|
Acyclic or carbocyclic compounds
|
5
|
C08H
|
1
|
derivatives of natural macromolecular compounds
|