C09B1/22 - CPC Classification Index

ClassID:

101767 ⎘

C09B1/22 - 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 unsubstituted amino groups

Sub-classes:

C09B1/24 » sulfonated 2

Recent Application in this class:

20170058126

2017-03-02

Polymerizable dichroic dyes

20160303882

2016-10-20

Ink set and thermal transfer recording sheet

20140082860

2014-03-27

Disperse dye composition and dyeing method for hydrophobic fiber material using same

20130289218

2013-10-31

Polycarboxylic acid dye with low polymerization degree

20120235099

2012-09-20

Radiation-sensitive colored composition, colored cured film, color filter and method of producing the same, solid-state imaging device, liquid crystal display apparatus, and method of producing dye

20070275184

2007-11-29

Optical film, optical filter and display device including the same