C09B1/28 - CPC Classification Index

ClassID:

101774 ⎘

C09B1/28 - 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 alkyl, aralkyl or cyclo alkyl groups

Sub-classes:

C09B1/285 » {Dyes with no other substituents than the amino groups} 7
C09B1/30 » sulfonated 0

Recent Application in this class:

20210309860

ANTHRAQUINONIC DERIVATIVES AND THEIR USE AS COLOURING AGENTS

20160177099

Powder, Method For Preventing Bleeding Of Dye, And Method For Improving Dyeing Properties

20130241815

Ink containing anthraquinone based dye, dye used in the ink, and display

20110226998

Electrowetting elements

20070032598

Thermally stable, anthraquinone colorants containing copolymerizable vinyl groups