ClassID:

102308

C09B44/108 - CPC Classification

Classification description:

Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system characterised by a cyclammonium six-membered specific ring not mentioned hereafter, e.g. pyrimidinium, perimidinium, pyridazonium, oxazinium

Recent Application in this class: