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Patent Classification Explorer PCE

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C
C09
C09B
C09B 43/00
C09B 43/04

CPC Subgroup

C09B 43/04

by nitration

Full Title

Preparation of azo dyes from other azo compounds > by nitration

CPC C09B 43/04

IPC Equivalent: C09B 43/04

2 CPC-only subgroups

C09B 43/02 C09B 43/06

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

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