C09B31/14 - CPC Classification Index

ClassID:

102133 ⎘

C09B31/14 - CPC Classification

Classification description:

Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling; Disazo dyes from other coupling components "C" Heterocyclic components

Sub-classes:

C09B31/143 » 1,2-Diazoles 0
C09B31/15 » Indoles 0
C09B31/153 » containing a six-membered ring with one nitrogen atom as the only ring hetero-atom 13

Recent Application in this class:

20210214560

2021-07-15

COMPOUND, COLORING COMPOSITION, INK, TONER, COLORING RESIN COMPOSITION, AND COMPOSITION FOR DYEING FIBER

20180346633

2018-12-06

Coloring composition, light absorption anisotropic film, laminate, and image display device

20180265707

2018-09-20

DICHROIC DYE COMPOUND, DICHROIC DYE COMPOSITION, LIGHT-ABSORBING ANISOTROPIC FILM, POLARIZING ELEMENT, AND IMAGE DISPLAY DEVICE

20180037742

2018-02-08

Particles for electrophoretic displays

20180030354

2018-02-01

Composition

20170305930

2017-10-26

Optical film

20170266094

2017-09-21

Agents for dyeing keratin fibers, containing at least one dimeric, dicationic azo dye and at least one anionic and/or cationic surfactant

20170266093

2017-09-21

Agents for dyeing keratin fibres, containing at least one dimeric, dicationic azo dye with special substitution pattern

20170016050

2017-01-19

Azo compound, use thereof and method for preparing same

#10

20150370062

2015-12-24

Carrier fluid compounds and dye compounds for electrowetting apparatus

#11

20150355456

2015-12-10

ELECTROWETTING FLUIDS

#12

20150284581

2015-10-08

Azo compound, ink containing azo compound, display including said ink and electronic paper

#13

20150065697

2015-03-05

Colorant compounds

#14

20140131643

2014-05-15

Polarizing film and display device including the polarizing film

#15

20120090502

2012-04-19

Dis-azo compound and oil ink and electrowetting displays comprising the same

#16

20110023749

2011-02-03

Colored particles

#17

20090297795

2009-12-03

Ink-Jet Printing Using Disazo Dyes

#18

20090017278

2009-01-15

Ink-Jet Printing Using Disazo Dyes

#19

20080119643

2008-05-22

4,4'-Diazobenzanilide Dyestuffs

#20

20080026191

2008-01-31

Compounds, compositions and processes

#21

20060053571

2006-03-16

Benzimidazole-pyridone-based azo dyes

#22

20050083391

2005-04-21

Azo dye, image-forming coloring composition, ink for ink jet recording, heat-sensitive recording material, color toner and color filter