DIFF Subgroup
C09B 45/32 containing other metals
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Complex metal compounds of azo dyes > Preparation from dyes containing in o-position a hydroxy group and in o-position hydroxy, alkoxy, carboxyl, amino, or keto groups > Disazo or polyazo compounds > containing other metals
CPC:
Complex metal compounds of azo dyes > Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups > Disazo or polyazo compounds > containing other metals
No child classifications to compare. This is a leaf node in both IPC and CPC.