Top IPC subclasses
1
|
A61K
|
40
|
Preparations for medical, dental, or toilet purposes
|
2
|
A23L
|
14
|
Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
|
3
|
A61P
|
8
|
Specific therapeutic activity of chemical compounds or medicinal preparations
|
4
|
C07D
|
3
|
Heterocyclic compounds
|
5
|
C02F
|
3
|
Treatment of water, waste water, sewage, or sludge
|