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PCE
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DIFF Subgroup
C09B 33/08

in which the coupling component is a hydroxy-amino compound

Introduced: September 1968

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 > Disazo dyes > in which the coupling component is a hydroxy-amino compound

CPC:

Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling > Disazo dyes > in which the coupling component is a hydroxy-amino compound

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • C09B 33/10 in which the coupling component is an amino naphthol IPC+CPC Available in IPC and CPC