ClassID:

102145

C09B31/28 - 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; Trisazo dyes from other coupling components "D" Heterocyclic compounds

Recent Application in this class:
#1
20200216701
2020-07-09

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

#2
20170242296
2017-08-24

Color polarizing film, antireflective film and display device

#3
20140131643
2014-05-15

Polarizing film and display device including the polarizing film

#4
20140013997
2014-01-16

Ink composition, ink for inkjet recording and inkjet recording method

#5
20130269124
2013-10-17

Azo dyes

#6
20130092874
2013-04-18

Black dichroic dye

#7
20120171435
2012-07-05

Dyes and Their Use in Ink-Jet Printing

#8
20120120148
2012-05-17

Coloring matter consisting of trisazo compound, ink compositions, recording method, and colored body

#9
20110177315
2011-07-21

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

#10
20110051052
2011-03-03

POLARIZING FILM, LAMINATE, AND LIQUID CRYSTAL DISPLAY DEVICE

#11
20110050787
2011-03-03

Trisazo compound, ink composition, recording method and colored body

#12
20110043577
2011-02-24

Black ink-jet inks with reduced lightness and haze

#13
20100309246
2010-12-09

Trisazo compound, ink composition, printing method and colored product

#14
20100302305
2010-12-02

Ink set, inkjet recording method and recorded material

#15
20090208713
2009-08-20

Trisazo Compounds, Compositions and Ink Jet Printing Processes

#16
20090062545
2009-03-05

Trisazo compound, ink composition, recording method, and colored article

#17
20090041939
2009-02-12

Trisazo dyes, compositions and ink jet printing processes

#18
20080257206
2008-10-23

Dye-based black ink formulations and ink-jet ink sets

#19
20070062409
2007-03-22

Trisazo-dyestuffs

#20
20050217535
2005-10-06

Trisazo dyes for ink jet printing

#21
20050200671
2005-09-15

Trisazo dyes for ink jet printing

#22
20050074684
2005-04-07

Inkjet ink, inkjet recording method and color toner composition