ClassID:

102332

C09B45/28 - CPC Classification

Classification description:

Complex metal compounds of azo dyes; Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups; Disazo or polyazo compounds containing copper

Recent Application in this class:
#1
20180022923
2018-01-25

Detailing agent for three-dimensional (3D) printing

#2
20170153361
2017-06-01

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

#3
20160047959
2016-02-18

Achromatic dye-based polarization element, and polarization plate

#4
20160041322
2016-02-11

Achromatic polarization element, and polarization plate

#5
20160041321
2016-02-11

Achromatic dye-based highly-transmissive polarization element, and polarization plate

#6
20110267691
2011-11-03

Azo compound and dye polarizing film containing the same

#7
20110089383
2011-04-21

Azo compound and dye polarizing film containing the same

#8
20100257678
2010-10-14

Azo compound and dye polarizing film containing the same

#9
20100226008
2010-09-09

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

#10
20090174942
2009-07-09

Azo compound and dye polarizing film containing the same

#11
20070275186
2007-11-29

Dye-Based Polarizing Filim

#12
20070166483
2007-07-19

Azo compound and polarizing film and polarizing plate each containing the same

#13
20070079740
2007-04-12

Azo compound and salt thereof

#14
20060286477
2006-12-21

Methanesulfonamide azo dyes

#15
20060229440
2006-10-12

Disazo dyes, and copper complexes thereof, for dyeing paper

#16
20050192431
2005-09-01

Organic solvent soluble metal complex azo dyes

#17
20050127335
2005-06-16

Poly-azo compound, and polarization film having said compound

#18
20050090654
2005-04-28

Water-soluble yellow azo dyes

#19
20050020822
2005-01-27

Mono-or bisazo copper complex dyestuffs

#20
20050003109
2005-01-06

Dye type polarizing plate