C09B31/30 - CPC Classification Index

ClassID:

102146 ⎘

C09B31/30 - 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 Other polyazo dyes

Recent Application in this class:

20220098412

2022-03-31

Dichroic azo-azomethine dyes for liquid crystal compositions

20220010139

2022-01-13

Azo compound or salt thereof, and dye-based polarizing film and dye-based polarizing plate containing same

20200216701

2020-07-09

INK SET, INK CARTRIDGE, INK JET PRINTER, AND INK JET RECORDING METHOD

20180319988

2018-11-08

Azo compound, ink composition, ink jet recording method, and colored article

20180074371

2018-03-15

Dye-based polarizer as well as polarizing plate and liquid crystal display device using the polarizer

20170210902

2017-07-27

Azo compound, dye-based polarizing film containing same, and polarizing plate

20170153361

2017-06-01

Achromatic polarizing plate with high-transmissivity and high-degree of polarization

20160340367

2016-11-24

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

20160280999

2016-09-29

Polarizing film, display device and production process thereof

#10

20160109619

2016-04-21

Azo Compound, Dye-Based Polarizing Film And Polarizing Plate

#11

20150337134

2015-11-26

Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same

#12

20150331148

2015-11-19

Azo compound, dye-based polarizing film and polarizing plate

#13

20140013997

2014-01-16

Ink composition, ink for inkjet recording and inkjet recording method

#14

20130321523

2013-12-05

Azo compound, ink composition, recording method and colored material

#15

20130314786

2013-11-28

Azo compound and salt thereof, and dye-based polarizing film and polarizing plate containing the same

#16

20130302538

2013-11-14

Azo compound, dye-based polarizing film and polarizing plate

#17

20130257974

2013-10-03

Ink composition, inkjet recording method and colored body

#18

20130070899

2013-03-21

Polarizing film, display device and production process thereof

#19

20110177315

2011-07-21

Dichroic dye composition, light absorption anisotropic film, and polarizing element

#20

20110164208

2011-07-07

Azo compound and salts thereof, as well as dye-based polarization films and polarizing plates comprising the same

#21

20110051052

2011-03-03

POLARIZING FILM, LAMINATE, AND LIQUID CRYSTAL DISPLAY DEVICE

#22

20100302305

2010-12-02

Ink set, inkjet recording method and recorded material

#23

20100226008

2010-09-09

Azo compound, and dye-containing polarizing film comprising the same

#24

20090000511

2009-01-01

Ink set, ink cartridge, inkjet recording method, and recorded matter

#25

20080119643

2008-05-22

4,4'-Diazobenzanilide Dyestuffs

#26

20060182902

2006-08-17

Dyes for anisotropic dye films, dye compositions for anisotropic dye films, anisotropic dye films and polarizing elements

#27

20050003109

2005-01-06

Dye type polarizing plate