DIFF Subgroup
A01N 31/08 Oxygen or sulfur directly attached to an aromatic ring system
Introduced: January 1980
Full Title
Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds > Oxygen or sulfur directly attached to an aromatic ring system
IPC and CPC are identically structured here. All 4 subcodes exist in both systems.
IPC defines codes here since 1980.
Child Classifications
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- A01N 31/16 with two or more oxygen or sulfur atoms directly attached to the same aromatic ring system since 1980 IPC+CPC Available in IPC and CPC