Top IPC subclasses
1
|
C07J
|
1
|
steroids
|
2
|
A01C
|
1
|
Planting; sowing; fertilising
|
3
|
A01P
|
1
|
Biocidal, pest repellant, pest attractant or plant growth regulatory activity of chemical compounds or preparations
|
4
|
A01N
|
1
|
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
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