ClassID:

101944

C09B11/16 - CPC Classification

Classification description:

Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl; Amino derivatives of triarylmethanes without any OH group bound to an aryl nucleus Preparation from diarylketones or diarylcarbinols, e.g. benzhydrol

Recent Application in this class: