C09B5/2409 - CPC Classification Index

ClassID:

101896 ⎘

C09B5/2409 - 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 -

Sub-classes:

C09B5/2418 » {only oxygen-containing hetero rings} 0
C09B5/2427 » {only sulfur-containing hetero rings} 0
C09B5/2436 » {only nitrogen-containing hetero rings} 9