ClassID:

102313

C09B44/16 - CPC Classification

Classification description:

Azo dyes containing onium groups containing cyclammonium groups attached to an azo group by a carbon atom of the ring system 1, 3-Diazoles or hydrogenated 1,3-diazoles (Benz)imidazolium

Recent Application in this class:
#1
20180244924
2018-08-30

Cationic direct dyes

#2
20180079907
2018-03-22

Stable yellow imidazolium compounds

#3
20180072970
2018-03-15

STABLE VIOLET-BLUE TO BLUE IMIDAZOLIUM COMPOUNDS

#4
20160194499
2016-07-07

Thiophene azo dyes and laundry care compositions containing the same

#5
20130180542
2013-07-18

Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibers

#6
20120123101
2012-05-17

Thiophene azo dyes and laundry care compositions containing the same

#7
20100011518
2010-01-21

Tricationic dyes

#8
20100000029
2010-01-07

Thiol derivative dyes

#9
20090293208
2009-12-03

Cationic oligomeric azo dyes

#10
20090062517
2009-03-05

Dissymmetrical Diazo Compounds Containing Having at Least One 2-imidazolium Unit and a Cationic or Non-cationic Linker, Compositions Comprising Them, Method of Coloring, and Device

#11
20080295260
2008-12-04

Disulfide dyes, composition comprising them and method of dyeing hair

#12
20080196175
2008-08-21

Particular Dissymmetrical Cationic Polyazo Compounds, Compositions Comprising Them as Direct Dye, Process For Dyeing Keratin Fibres and Device Therefor

#13
20080168607
2008-07-17

Unsymmetrical Diazo Compounds, Compositions Comprising Same, Dyeing Method and Device Comprising Said Compositions

#14
20070214580
2007-09-20

Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety

#15
20070010663
2007-01-11

Dissymmetrical diazo compounds containing having at least one 2-imidazolium unit and a cationic or non-cationic linker, compositions comprising them, method of coloring, and device

#16
20060179586
2006-08-17

Cationic direct dyes

#17
20060156490
2006-07-20

Symmetrical diazo compounds comprising 2-imidazolium groups and a cationic linker, compositions comprising them, method of coloring, and device

#18
20060156477
2006-07-20

Symmetrical diazo compounds comprising 2-imidazolium groups and a non-cationic linke, compositions comprising them, method of coloring, and device

#19
20060037151
2006-02-23

Use of polycationic compounds in the dyeing of keratinous fibres

#20
20060026776
2006-02-09

Method of dyeing keratin-containing fibres

#21
20060016025
2006-01-26

Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor

#22
20060005327
2006-01-12

Cationic diazo compounds, compositions comprising them as direct dye, process for dyeing keratin fibers and device therefor

#23
20050154195
2005-07-14

Process for the preparation of cationic azo compounds

#24
20050091764
2005-05-05

Cationic azo dye compound