C09B5/48 - CPC Classification Index

ClassID:

101917 ⎘

C09B5/48 - 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; Azines of the anthracene series; Para-diazines Bis-anthraquinonediazines (indanthrone)

Sub-classes:

C09B5/50 » Preparation by alkaline melting of 2-amino-anthraquinones 0
C09B5/52 » Preparation by condensation of 1.2-halogeno-amino-anthraquinones 0
C09B5/54 » Preparation from 2-amino-anthrahydroquinones 0
C09B5/56 » Preparation from starting materials already containing the indanthrene nucleus 1

Recent Application in this class:

20160177100

2016-06-23

Method for producing halogenated organic pigment, halogenated organic pigment obtained by the production method, and colored composition comprising the same

20140121309

2014-05-01

Organic colouring agents and coloured polymer compositions with a high stability to weathering

20120152150

2012-06-21

Organic colouring agents and coloured polymer compositions with a high stability to weathering

20090290214

2009-11-26

Dichroic dye for polarization film, composition comprising the same for polarization film, method for forming polarization plate and polarization plate prepared thereby

20080319089

2008-12-25

Method of colouring carrier materials

20080145772

2008-06-19

Pigment dispersion composition for producing color filter and color filter for color imaging device produced using the same

20080073625

2008-03-27

Colored Composition for Color Filter and Display Using Color Filters Formed of the Colored Composition

20070051275

2007-03-08

Method of colouring carrier materials

20050048224

2005-03-03

Colored composition for color filter and display using color filters formed of the colored composition