DIFF Subgroup
C09B 43/30 by esterification of —COOH or —SO3H groups
Introduced: January 1980
Title
Titles differ between systems:
IPC: by esterification of —COOH or —SOH groups
CPC: by esterification of —COOH or —SO3H groups
Full Title
Full titles differ between systems:
IPC:
Preparation of azo dyes from other azo compounds > by esterification of —COOH or —SOH groups
CPC:
Preparation of azo dyes from other azo compounds > by esterification of —COOH or —SO3H groups
No child classifications to compare. This is a leaf node in both IPC and CPC.