CPC Subgroup
C09B 35/50 Tetrazo dyes
Full Title
Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling > Tetrazo dyes
6 direct subcodes
Child Classifications
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- C09B 35/52 of the type [IMAGE cpc-sch-C09B-1019.gif]
- C09B 35/54 of the type [IMAGE cpc-sch-C09B-1020.gif]
- C09B 35/56 of the type [IMAGE cpc-sch-C09B-1021.gif]
- C09B 35/58 of the type [IMAGE cpc-sch-C09B-1022.gif]
- C09B 35/60 of the type [IMAGE cpc-sch-C09B-1023.gif]
- C09B 35/62 of the type [IMAGE cpc-sch-C09B-1024.gif]