ClassID:

102124

C09B31/072 - 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 a coupling component "C" containing a directive hydroxyl group; Naphthols containing acid groups, e.g. —COH, —SOH, —POH, —OSOH, —OPOH; Salts thereof

Recent Application in this class:
#1
20180171148
2018-06-21

Bis-Azo colorants for use as bluing agents

#2
20180022923
2018-01-25

Detailing agent for three-dimensional (3D) printing

#3
20170153361
2017-06-01

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

#4
20160047959
2016-02-18

Achromatic dye-based polarization element, and polarization plate

#5
20150126717
2015-05-07

Bis-azo colorants for use as bluing agents

#6
20130211058
2013-08-15

Bis-azo colorants for use as bluing agents

#7
20120129753
2012-05-24

Detergent composition comprising bluing agent and clay soil removal / anti-redeposition agent

#8
20120129752
2012-05-24

Low built detergent composition comprising bluing agent

#9
20120129751
2012-05-24

Bis-azo colorants for use as bluing agents

#10
20120122751
2012-05-17

Detergent composition comprising bluing agent and clay soil removal / anti-redeposition agent

#11
20120122750
2012-05-17

Detergent composition comprising bluing agent and rapidly water-soluble brightener

#12
20120101265
2012-04-26

Bis-azo colorants for use as bluing agents

#13
20120101018
2012-04-26

BIS-AZO COLORANTS FOR USE AS BLUING AGENTS

#14
20110267691
2011-11-03

Azo compound and dye polarizing film containing the same

#15
20110164208
2011-07-07

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

#16
20100314784
2010-12-16

Process for producing water-resistant polarizing film

#17
20100226008
2010-09-09

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

#18
20100065974
2010-03-18

Processes for producing coating fluid and optically anisotropic film

#19
20090174942
2009-07-09

Azo compound and dye polarizing film containing the same

#20
20070276132
2007-11-29

Magenta dyes and their use in ink-jet printing

#21
20060286477
2006-12-21

Methanesulfonamide azo dyes

#22
20050003109
2005-01-06

Dye type polarizing plate