| Patents for C09B 44 - Azo dyes containing onium groups (862) |
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| 12/30/2014 | US8921564 Basic bisazo compounds |
| 09/16/2014 | US8834579 Dye composition for hair dyeing and method for producing the same |
| 05/07/2014 | CN101861362B 二发色团羰基或杂环染料、含有该染料的染料组合物、采用该染料对角蛋白材料进行染色的方法 Second, a chromophore, or a heterocyclic carbonyl dyes, a dye composition containing the dye of the dye by the method of dyeing a keratin material |
| 04/30/2014 | CN102618064B Synthesizing process of Janus green B |
| 03/26/2014 | CN101370925B Laundry care compositions with thiazolium dye |
| 01/07/2014 | US8623846 Diazeniumdiolate cyclohexyl derivatives |
| 10/01/2013 | US8545717 Composition comprising curable dichroic dye for forming optical component and an optical component prepared using the same |
| 09/25/2013 | CN103328584A Thiophene azo dyes and laundry care compositions containing the same |
| 09/18/2013 | EP2638113A2 Thiophene azo dyes and laundry care compositions containing the same |
| 08/28/2013 | EP2630198A1 Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibres |
| 07/18/2013 | US20130180542 Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibers |
| 07/17/2013 | CN1997340B Disulfide dyes, composition comprising them and method of dyeing |
| 05/28/2013 | CA2636869C Laundry care compositions with thiazolium dye |
| 04/17/2013 | CN101370924B Laundry care compositions with thiazolium dye |
| 03/20/2013 | EP2569375A2 Modified pigments |
| 03/20/2013 | CN102985493A 改性颜料 Modified pigment |
| 03/14/2013 | US20130061773 Modified pigments |
| 02/14/2013 | US20130039860 Fluorescent imaging with substituted cyanine dyes |
| 01/16/2013 | CN101300309B 含硫醇基的染料 Alcohol sulfur dyes |
| 09/26/2012 | CN101883554B Dark coloured azo dyes |
| 08/01/2012 | CN102618064A Synthesizing process of Janus green B |
| 06/27/2012 | EP2205680B1 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 05/17/2012 | US20120123101 Thiophene Azo Dyes and Laundry Care Compositions Containing the Same |
| 04/26/2012 | WO2012052194A1 Dicationic 4-aza-1-azoniabicyclo[2.2.2]octanes and agents for colouring keratin-containing fibres |
| 04/19/2012 | WO2011143533A3 Modified pigments |
| 04/18/2012 | EP1478696B1 Process for the preparation of cationic azo compounds |
| 04/18/2012 | CN101910395B 调整色光组合物 Shading composition |
| 04/11/2012 | EP2438121A1 Azo heterocyclic dyes and their biological conjugates |
| 03/21/2012 | CN101724290B Preparation method of environment-friendly zinc-free cationic dye |
| 12/07/2011 | EP2227533B1 Shading composition |
| 11/17/2011 | WO2011143533A2 Modified pigments |
| 11/17/2011 | WO2011017719A3 Thiophene azo dyes and laundry care compositions containing the same |
| 11/09/2011 | EP2201070B1 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device |
| 11/08/2011 | US8053039 Polymerizable dichroic azo dyes |
| 09/22/2011 | DE102010062029A1 Composition, useful for coloring and optionally simultaneous brightening of keratin fibers, preferably human hair, comprises substituted 3-phenylazo-imidazo(1,5-a)pyridin-2-ium compounds in a carrier |
| 09/07/2011 | EP1732990B1 Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety |
| 08/25/2011 | US20110207213 Photoreactive Synthetic Regulator of Protein Function and Methods of Use Thereof |
| 08/24/2011 | CN101120067B Concentrated dye solution |
| 05/10/2011 | US7939644 cationic dyes used for coloring plastics, fibers, leather and paper, for the preparation of flexographic printing inks, as ball-point pen pastes, as stamp inks, for use in data acquisition systems, reprography, in ink microfilters, in photogalvanics, laser technology and the photo industry |
| 04/21/2011 | US20110088173 Polymeric hair dyes |
| 02/22/2011 | US7892295 1.3-thiazolyl azo dyes, their preparation and use |
| 02/03/2011 | US20110023242 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 01/20/2011 | US20110014435 Process for Printing an Image, Composition and Compound |
| 01/05/2011 | CN101260246B Conjugated cation dyestuff and preparation method thereof |
| 12/09/2010 | WO2010141731A1 Azo heterocyclic dyes and their biological conjugates |
| 12/08/2010 | CN101910395A Shading composition |
| 11/10/2010 | CN101883554A Dark coloured azo dyes |
| 10/21/2010 | US20100263139 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device |
| 10/13/2010 | CN101861362A Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 10/12/2010 | US7811642 sufficient solubility, high coloring power, high order parameter; mesogenic mixtures; polarizer, optical filter, orientation layer, security device; acrylic ester, vinyl ester, vinyl ether, or epoxy polymerizable end groups; |
| 09/15/2010 | EP2227533A1 Shading composition |
| 07/14/2010 | EP2205680A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 06/30/2010 | EP2201070A2 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device |
| 06/24/2010 | US20100154145 Reactive dyes, their preparation and their use |
| 06/09/2010 | CN101724290A Preparation method of environment-friendly zinc-free cationic dye |
| 06/08/2010 | CA2266053C Tint composition for keratin fibers containing a direct cationic dye and a substance-based polymer |
| 05/26/2010 | CN1965033B Cationic imidazolazo dyes containing a 2,5-diaminophenyl moiety |
| 02/25/2010 | WO2009040355A3 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 02/17/2010 | EP1377263B1 Novel dyeing composition for dyeing keratinous fibres comprising a particular dicationic diazo dye |
| 02/09/2010 | US7658771 Coloring agents for keratin fibers |
| 02/09/2010 | US7658770 Agents for coloring keratin fibers |
| 02/02/2010 | US7655767 Use of thiazolyl-pyridinium based dyes in optical layers for optical data recording |
| 01/21/2010 | WO2008050295A3 Dark coloured azo dyes |
| 01/21/2010 | US20100011518 Tricationic dyes |
| 01/13/2010 | EP1622686B1 Cationic dimeric dyes |
| 12/31/2009 | US20090320218 Laundry care compositions with thiazolium dye |
| 12/10/2009 | WO2009034059A3 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device |
| 11/11/2009 | CN100558818C Cationic direct dyes |
| 09/23/2009 | EP2103656A2 Basic monoazo compounds |
| 09/09/2009 | EP2098573A2 Basic monoazo compounds |
| 09/09/2009 | CN101528859A Thiol derivative dyes |
| 08/12/2009 | CN100526397C Ink for inkjet recording, ink set for inkjet recording and inkjet recording method |
| 07/16/2009 | WO2009087034A1 Shading composition |
| 07/01/2009 | EP2075036A1 Disulfid dyes, composition comprising them and method of dyeing hair |
| 06/30/2009 | US7553337 Hair colorants for simultaneous dyeing and brightening of keratin fibers |
| 06/03/2009 | EP1377265B1 Dyeing composition for dyeing keratinous fibres comprising a cationic azo-dye |
| 05/26/2009 | US7537620 applying to hair an hair colorant comprising a thiazolium azo dye such as 3-methyl-2-[[4-[methyl(phenylmethyl)amino]phenyl]azo]thiazolium monomethylsulfate, leaving the dye on the hair at a temperature of 15 to 50C. for 1 to 60 minutes; rinsing hair with water, drying; perspiration resistance |
| 04/29/2009 | EP2052034A2 Thiol derivative dyes |
| 04/14/2009 | US7517367 2-{2-[(2-hydroxy-1-naphthyl)diazenyl]phenoxy}-N,N,N-trimethylethanaminium methylsulfate; non-oxidative colorants |
| 04/07/2009 | US7513917 For the simultaneous lightening and coloring of keratin fibers; oxidizing agent, and azo dye; such as 2-[{4-[(4,5-dimethyl-1,3-thiazol-2-yl) diazenyl ]phenyl}(ethyl)amino]-N,N,N-trimethylethanaminium bromide |
| 04/07/2009 | US7513916 Agents for coloring keratin fibers |
| 04/02/2009 | WO2009040355A2 Dichromophore carbonyl or heterocyclic dye, dye composition comprising this dye, process for dyeing keratin materials using this dye |
| 03/19/2009 | WO2009034059A2 Azo quinolinium compounds comprising a disulphide/thiol unit, compositions containing same, process for dyeing keratin fibres and device |
| 03/04/2009 | EP2029674A2 Tricationic dyes |
| 02/18/2009 | CN101370925A Laundry care compositions with thiazolium dye |
| 02/18/2009 | CN101370924A Laundry care compositions with thiazolium dye |
| 02/03/2009 | US7485705 Water-soluble tetrazolium compounds |
| 02/03/2009 | US7485157 Quaternized azo or hydrazone hair dye mixed with cationic or amphoteric polymer; washfastness; weatherproof; radiation resistance; less selective and more uniform |
| 01/27/2009 | US7482438 Hair dyes; blue or violet dyes with good washfastness, colorfastness, lightfastness |
| 01/13/2009 | US7476260 Disulfide dyes, composition comprising them and method of dyeing hair |
| 12/30/2008 | CA2309302C Dyeing composition for keratinous fibres with a cationic direct colouring agent and a silicone |
| 12/24/2008 | CN100445334C Process for the preparation of cationic azo compounds |
| 12/18/2008 | WO2008019977A3 Thiol derivative dyes |
| 12/04/2008 | US20080295260 Dyeing hair using cationic dye having disulfide group; not comprise treating the fiber with an enzyme of the type of a protein disulfidisomerase; deep dying having good fastness properties with respect to washing, light, shampooing and rubbing |
| 11/19/2008 | EP1991652A1 Laundry care compositions with thiazolium dye |
| 11/06/2008 | US20080271264 To impart intense red to violet color to hair; exhibit unusually good light stability and resistance to perspiration; such as 3-methyl-2-[(1-methyl-2-phenyl-1H-indol-3-yl)azo]thiazolium chloride |
| 11/05/2008 | CN101300309A 含硫醇基的染料 Alcohol sulfur dyes |
| 10/30/2008 | US20080264297 Concentrated Dye Solution |
| 10/29/2008 | CN100429203C Dyeing compsn. for kerationous fibres comprising particular dicationic diazo dye |
| 10/23/2008 | US20080256726 azo dyes, triazine dyes has good reproducibility and good all-round colorfastness properties, wet-fastness properties |