the tetrazo component being a derivative of biphenyl

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Disazo or polyazo dyes of the type A ← D → B prepared by diazotising and coupling > Disazo dyes > characterised by the tetrazo component > the tetrazo component being a derivative of biphenyl

CPC:

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling > Disazo dyes > characterised by the tetrazo component > the tetrazo component being a derivative of biphenyl

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

Child Classifications

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C09B 35/10 from two coupling components of the same type +1 CPC IPC+CPC Available in IPC and CPC
C09B 35/20 from two coupling compounds of different types IPC+CPC Available in IPC and CPC