C09B5/42 - CPC Classification Index

ClassID:

101914 ⎘

C09B5/42 - 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 Pyridino anthraquinones

Recent Application in this class:

20190322870

2019-10-24

NOVEL POLYSULFONATED FLUORESCENCE DYES

20190100653

2019-04-04

Polysulfonated fluorescence dyes

20080189882

2008-08-14

Hot-Light Resistant Blue Dispersion Dyes