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PCE
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DIFF Subgroup
C09B 11/18

Preparation by oxidation

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Diaryl- or triarylmethane dyes > derived from triarylmethanes > Amino derivatives of triarylmethanes > without any —OH group bound to an aryl nucleus > Preparation by oxidation

CPC:

Diaryl- or thriarylmethane dyes > derived from triarylmethanes > Amino derivatives of triarylmethanes > without any OH group bound to an aryl nucleus > Preparation by oxidation

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