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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

A
A61
A61K
A61K 31/00
A61K 31/04

CPC Subgroup

A61K 31/04

Nitro compounds

Full Title

Medicinal preparations containing organic active ingredients > Nitro compounds

CPC A61K 31/04

IPC Equivalent: A61K 31/04

1 CPC-only subgroup

A61K 31/02 A61K 31/045

Data: WIPO (IPC), EPO/USPTO (CPC) — CC BY 4.0

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