DIFF Subgroup
C09B 27/06 Tartrazines
Introduced: January 1980
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 > Tartrazines
CPC:
Preparations in which the azo group is formed in any way other than by diazotising and coupling, > Tartrazines
No child classifications to compare. This is a leaf node in both IPC and CPC.