Top IPC subclasses
1
|
A61K
|
2
|
Preparations for medical, dental, or toilet purposes
|
2
|
C08H
|
1
|
derivatives of natural macromolecular compounds
|
3
|
A61P
|
1
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
4
|
C08F
|
1
|
macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
|