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PCE
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DIFF Subgroup
C09B 44/10

containing cyclammonium groups attached to an azo group by a carbon atom of the ring system

Introduced: January 1980

Full Title

Azo dyes containing onium groups > containing cyclammonium groups attached to an azo group by a carbon atom of the ring system

Of 10 combined children, 5 exist in both systems.

5 codes are CPC-only extensions.

IPC defines codes here since 1980.

Child Classifications

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  • C09B 44/101 CPC only CPC only
  • C09B 44/102 CPC only CPC only
  • C09B 44/107 CPC only CPC only
  • C09B 44/108 CPC only CPC only
  • C09B 44/14 1,2-Diazoles or hydrogenated 1,2-diazoles since 1980 IPC+CPC Available in IPC and CPC
  • C09B 44/16 1,3-Diazoles or hydrogenated 1,3-diazoles since 1980 IPC+CPC Available in IPC and CPC
  • C09B 44/18 having three nitrogen atoms as the only ring hetero atoms since 1980 IPC+CPC Available in IPC and CPC
  • C09B 44/20 Thiazoles or hydrogenated thiazoles since 1980 IPC+CPC Available in IPC and CPC