C09B1/34 - CPC Classification Index

ClassID:

101781 ⎘

C09B1/34 - CPC Classification

Classification description:

Dyes with anthracene nucleus not condensed with any other ring; Amino-anthraquinones; Preparation from starting materials already containing the anthracene nucleus; Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated

Sub-classes:

C09B1/343 » {only sulfonated in the anthracene nucleus} 1
C09B1/346 » {only sulfonated in a substituent} 3

Recent Application in this class:

20190322870

NOVEL POLYSULFONATED FLUORESCENCE DYES

20190100653

Polysulfonated fluorescence dyes

20140200287

Reactive dyes for contact lenses

20110061180

Polymeric hair dyes

20070292651

Laser-welded article of laser-transmissible workpiece including alkaline earth metal salt of anthraquinone acidic dye