CPC Main Group
C09B 35/00 Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
7 direct subcodes
Child Classifications
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- C09B 35/02 Disazo dyes
- C09B 35/35 Trisazo dyes in which the tetrazo component is a diamino-azo-aryl compound
- C09B 35/36 Trisazo dyes of the type [IMAGE cpc-sch-C09B-1016.gif]
- C09B 35/378 Trisazo dyes of the type [IMAGE cpc-sch-C09B-1017.gif]
- C09B 35/38 Trisazo dyes ot the type [IMAGE cpc-sch-C09B-1018.gif]
- C09B 35/50 Tetrazo dyes
- C09B 35/64 Higher polyazo dyes, e.g. of the types [IMAGE cpc-sch-C09B-1025.gif]