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PCE
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DIFF Subgroup
C09B 35/50

Tetrazo dyes

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Disazo or polyazo dyes of the type A ← D → B prepared by diazotising and coupling > Tetrazo dyes

CPC:

Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling > Tetrazo dyes

IPC and CPC are identically structured here. All 6 subcodes exist in both systems.

6 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1980.

Child Classifications

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  • C09B 35/52 of the type [IMAGE cpc-sch-C09B-1019.gif] since 1980 IPC+CPC Available in IPC and CPC
  • C09B 35/54 of the type [IMAGE cpc-sch-C09B-1020.gif] since 1980 IPC+CPC Available in IPC and CPC
  • C09B 35/56 of the type [IMAGE cpc-sch-C09B-1021.gif] since 1980 IPC+CPC Available in IPC and CPC
  • C09B 35/58 of the type [IMAGE cpc-sch-C09B-1022.gif] since 1980 IPC+CPC Available in IPC and CPC
  • C09B 35/60 of the type [IMAGE cpc-sch-C09B-1023.gif] since 1980 IPC+CPC Available in IPC and CPC
  • C09B 35/62 of the type [IMAGE cpc-sch-C09B-1024.gif] since 1980 IPC+CPC Available in IPC and CPC