ClassID:

102177

C09B35/033 - 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 an arylamide of an o-hydroxy-carboxylic acid or of a beta-keto-carboxylic acid

Recent Application in this class: