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DIFF Main Group
C09B 27/00

Preparations in which the azo group is formed in any way other than by diazotising and coupling,

Introduced: September 1968

Title

Titles differ between systems:

IPC: Azo dyes in which the azo group is formed in any way other than by diazotising and coupling

CPC: Preparations in which the azo group is formed in any way other than by diazotising and coupling,

Full Title

Full titles differ between systems:

IPC:

Azo dyes in which the azo group is formed in any way other than by diazotising and coupling

CPC:

Preparations in which the azo group is formed in any way other than by diazotising and coupling,

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 1980.

Child Classifications

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  • C09B 27/06 Tartrazines since 1980 IPC+CPC Available in IPC and CPC