Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
C09B 35/06

the tetrazo component being a naphthalene derivative

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 > Disazo dyes > characterised by the tetrazo component > the tetrazo component being a naphthalene derivative

CPC:

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 naphthalene derivative

No child classifications to compare. This is a leaf node in both IPC and CPC.