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Patent Classification Explorer PCE

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Search for IPC and CPC classification codes or keywords

C
C09
C09B
C09B 46/00

CPC Main Group

C09B 46/00

Azo dyes not provided for in groups C09B27/00 - C09B45/00

CPC C09B 46/00

IPC Equivalent: C09B 46/00

1 CPC-only subgroup

C09B 45/00 C09B 47/00

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

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