ClassID:

101923

C09B5/60 - CPC Classification

Classification description:

Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position; Azines of the anthracene series Thiazines; Oxazines

Recent Application in this class: