DIFF Subgroup
C09B 33/30 Tetrazo dyes of the type [IMAGE cpc-sch-C09B-1014.gif]
Introduced: January 1980
Title
Titles differ between systems:
IPC: Tetrazo dyes of the type
CPC: Tetrazo dyes of the type [IMAGE cpc-sch-C09B-1014.gif]
Full Title
Full titles differ between systems:
IPC:
Disazo or polyazo dyes of the types A → K ← B, A → B → K ← C, or the like, prepared by diazotising and coupling > Trisazo or higher polyazo dyes > Tetrazo dyes of the type
CPC:
Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling > Trisazo or higher polyazo dyes > Tetrazo dyes of the type [IMAGE cpc-sch-C09B-1014.gif]
No child classifications to compare. This is a leaf node in both IPC and CPC.