ClassID:

101943

C09B11/14 - 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 aromatic aldehydes, aromatic carboxylic acids or derivatives thereof and aromatic amines

Recent Application in this class: