ClassID:

102176

C09B35/031 - CPC Classification

Classification description:

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling; Disazo dyes characterised by two coupling components of the same type in which the coupling component is a heterocyclic compound containing a six membered ring with one nitrogen atom as the only ring hetero atom

Recent Application in this class: