ClassID:

101916

C09B5/46 - 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 Para-diazines

Sub-classes:
Recent Application in this class: