C09B35/205 - CPC Classification Index

ClassID:

102192 ⎘

C09B35/205 - CPC Classification

Classification description:

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling; Disazo dyes characterised by the tetrazo component the tetrazo component being a derivative of a diaryl- or triaryl- alkane or-alkene

Sub-classes:

C09B35/21 » of diarylmethane or triarylmethane 5
C09B35/215 » of diarylethane or diarylethene 4