by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines

Introduced: January 1980

Title

Titles differ between systems:

IPC: by reacting carboxyl or sulfonic groups, or derivatives thereof, with amines; by reacting keto groups with amines

CPC: by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines

Full Title

Full titles differ between systems:

IPC:

Preparation of azo dyes from other azo compounds > by reacting carboxyl or sulfonic groups, or derivatives thereof, with amines; by reacting keto groups with amines

CPC:

Preparation of azo dyes from other azo compounds > by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

1 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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C09B 43/325 CPC only CPC only
C09B 43/34 by reacting ortho- or peri-dicarboxylic dyes since 1980 IPC+CPC Available in IPC and CPC
C09B 43/36 with amino-anthracene or amino-anthraquinone dyes since 1980 IPC+CPC Available in IPC and CPC
C09B 43/38 by reacting two or more ortho-hydroxy naphthoic acid dyes with polyamines since 1980 IPC+CPC Available in IPC and CPC