Top IPC subclasses
1
|
A01N
|
7
|
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
|
2
|
C07D
|
3
|
Heterocyclic compounds
|
3
|
A01G
|
2
|
Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
|
4
|
C07F
|
1
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|