ClassID:

101899

C09B5/2436 - 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 not provided for in one of the sub groups  -  only nitrogen-containing hetero rings

Sub-classes:
Recent Application in this class: