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| Number | Title | Issue Date |
| 7364596 | Dye compositions comprising at least one hydrophobic direct dye and at least one acid The present disclosure provides dye compositions comprising at least one hydrophobic direct dye with a logP of greater than 2, at least one organic or mineral acid with a pKa of less than 4.5, in an aqueous-alcoholic dyeing medium comprising at least 60% by weight o... | 04/29/2008 |
| 7338535 | Process for rapid dyeing and rapid decoloration of human keratin fibres with certain direct dyes Disclosed herein is a rapid dyeing process for human keratin fibers, such as hair, comprising applying to the keratin fibers at least one dye composition comprising, in a medium suitable for dyeing, at least one direct dye chosen from arylmethane dyes, cationic azo ... | 03/04/2008 |
| 7326255 | Use of latent pigments for high-remanence dyeing, composition containing the said pigments and processes using them The invention relates to the use, for dyeing keratin fibres, of at least one latent pigment, which is soluble in a medium that is suitable for dyeing, and which can be chemically, thermally or photochemically converted in the fibres into water-insoluble pigments, of... | 02/05/2008 |
| 7261743 | Dicationic compounds for dyeing human keratin fibers, and compositions comprising them The present disclosure relates to the process of dyeing human keratinous fibers, such as the hair, with at least one specific direct dye in cosmetic compositions. Also disclosed herein are the direct dyeing and lightening compositions comprising said compounds, and ... | 08/28/2007 |
| 7223295 | Method of coloring porous material Process of coloring porous material, which comprises a) applying to the material being colored at least one capped diazonium compound, and b) then causing the capped diazonium compound present on the material to react with the material. | 05/29/2007 |
| 7192453 | Method of coloring keratin-containing fibres using diazonium salts The present invention relates to a method of coloring keratin-containing fibres, especially human hair, in which method a compound of formula (I), wherein R is hydroxy or NHR1, R1 being hydrogen or C1–C4alkyl, and B is a... | 03/20/2007 |
| 7189266 | Dyeing composition for human keratinous fibres with direct dyes and dicationic compounds The present disclosure relates to a composition for dyeing human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, at least one direct dye and at least on dicationic compound. Also disclosed herein is a process for dyeing and lightening ... | 03/13/2007 |
| 7186279 | Herbal dye and process of preparation thereof The present invention provides a herbal black dye from natural materials comprising of Juglans regia, Indigofera tinctoria, Terminalia chebula, Acacia accocina, Lawsonia inermis, Trigonella foenum-graecum, Sapindus mukorossi, Eclipta alba, Embelica officin... | 03/06/2007 |
| 7186274 | Method for treating human keratin fibers with organomodified metallic particles The present invention relates to the use of organomodified metallic nanoparticles preferably bearing at their surface a self-assembled monolayer of organosulphur compounds. A preferred use is in suspension form for dyeing and/or treating human keratin fibers. The in... | 03/06/2007 |
| 7108727 | Reactive dyes and the use thereof for dyeing substrates containing nucleophilic groups The present invention relates to novel reactive dyes of formula I, (I), in which the variable independently denote X hydrogen, NO2, or NR3R4, Y NR5R6, OR7, SR8, or SO2R9 | 09/19/2006 |
| 7056346 | Direct dye composition for the hair, comprising a crosslinked polymer containing acrylic units and C10-C30 alkyl acrylate units The present invention relates to a composition comprising, in a cosmetically acceptable support suitable for dyeing the hair, at least one direct dye and at least one crosslinked polymer containing acrylic residue units of the structure | 06/06/2006 |
| 6994733 | Electrochemical method and system for dyeing and highlighting hair A method for electrochemically dyeing, highlighting or tinting hair is provided which includes first applying to the hair an oxidative dye precursor mixture containing a primary intermediate having a standard Redox potential that is less than about 1V. This precurso... | 02/07/2006 |
| 6989036 | Reactive dyes and use thereof for dyeing substrates containing nucleophilic groups The present invention relates to novel reactive dyes of the formula (I) where R1 to R4 are independently hydrogen, C1–C8-alkyl, C2–C8-alkyl, wherein ... | 01/24/2006 |
| 6986795 | Cationic aminodianthraquinones, use, dyeing compositions containing them and methods of dyeing The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quate... | 01/17/2006 |
| 6949630 | Cationic reactive dyes The cationic dyes of formula (1) specified in claim 1 are suitable especially for colouring keratin-containing fibres, more especially for colouring hair. ... | 09/27/2005 |
| 6902586 | Phosphate dye precursors and use thereof for dyeing keratin fibers The present invention relates to the use for dyeing keratin fibers, in particular human keratin fibers such as the hair, of a dye precursor bearing at least one phosphate substituent of formula —O—PO(OH)2, in the presence of at least one acid or alkal... | 06/07/2005 |
| 6835210 | Electrochemical method and system for dyeing hair A method for electrochemically dyeing hair is provided which includes first applying to the hair an oxidative dye precursor mixture containing a primary intermediate having a standard Redox potential that is less than about 1V. This precursor mixture on the hair is ... | 12/28/2004 |
| 6790943 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one SO2C2H4 group which is attached to the chromophore moiety either directly via the sulphur atom of the SO2C2... | 09/14/2004 |
| 6773464 | Hair coloring compositions A hair coloring composition or kit of parts comprises: a compound which is capable of acting as a substrate for endogenous transglutaminase in and/or on hair and which comprises a chromophore that is capable of absorbing and/or emitting light in the visible part of ... | 08/10/2004 |
| 6773462 | Method of coloring hair A method of coloring hair comprises: treating hair with an oxidizing agent; and applying to the hair either during or after treatment with the oxidizing agent a composition comprising a compound which is capable of acting as a substrate for endogenous transglutamina... | 08/10/2004 |
| 6736864 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one SO2C2H4 group which is attached to the chromphore moiety either directly via the sulphur atom of the SO2C2H4 group or via a linking group L; characterized in that at least one ... | 05/18/2004 |
| 6723834 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety; (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterized in that a... | 04/20/2004 |
| 6716969 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety (b) at last one SO2C2H4 group which is attached to the chromophore moiety either direcly via the sulphur atom of the SO2C2H | 04/06/2004 |
| 6713613 | Reactive dye compounds A reactive dye compound comprising: (a) at least one chromophore moiety (b) at least one nitrogen-containing heterocycle (c) a linking group to link each chromophore moiety to each nitrogen-containing heterocycle; characterised in that at... | 03/30/2004 |
| 6706077 | Hair coloring compositions A coloring system for hair and/or skin comprises at least three separately packaged components: a) a thio compound capable of breaking the S—S bond between cysteine residues, and an alkaline reagent; b) a material and/or extract obtainable from the m... | 03/16/2004 |
| 6692537 | Oxidizing composition and use for dyeing, permanently setting or bleaching keratin fibres The present application relates to a cosmetic composition intended for treating keratin fibers, comprising, in a support which is suitable for keratin fibers: (a) at least one enzyme of 2-electron oxidoreductase type in the presence of at least one do... | 02/17/2004 |
| 6645259 | Cationic aminoanthraquinones, their use for dyeing keratinous fibers, dyeing compositions containing them and methods of dyeing Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinou... | 11/11/2003 |
| 6599330 | Method for coloring hair with removable hair color A method for coloring hair and removing the color from the hair when desired, comprising coloring the hair with an aqueous hair color composition comprising, in combination: (i) a reducing agent capable of reducing the --S--S-- bonds on the hair fiber sur... | 07/29/2003 |
| 6515114 | Bunte salt azo dye compound The invention relates to a Bunte salt azo dye composition comprising an azo dye containing at least one Bunte salt group. The resulting dye is water soluble material which is useful in the rapid dying of natural and synthetic fibers. The Bunte salt azo dy... | 02/04/2003 |
| 6447554 | Reactive dye compounds This invention relates to reactive dye compounds, and more especially to reactive dye compounds comprising a chromophore and a nitroen-containing heterocycle comprising at least one thio-substituent. The reactive dye compounds of the present are particula... | 09/10/2002 |
| 6398822 | Packaged hair coloring composition Packaged hair coloring composition comprising a stable aqueous hair coloring composition comprising a compound of formula (I): ##STR1## wherein the variables are each as defined in the claims. The packaged hair coloring compositions of the present inventi... | 06/04/2002 |
| 6364913 | Agent and process for dyeing and tinting keratinous fibres Formulations for coloring keratinous fibers are provided, comprising a substantive dye, an aminopolycarboxylic acid or salt thereof with a physiologically compatible cation, and isoascorbic acid or a salt thereof with a physiologically compatible cation. ... | 04/02/2002 |
| 6350862 | Reactive dye compounds Reactive Dye compound having formula (I) wherein: D is a chromophore group; L is a linking moiety; Q is a quaternized nitrogen derivative; X and Y are independently selected from chlorine, bromine, fluorine or hydrogen; A is selected from halogen, prefera... | 02/26/2002 |
| 6231622 | Dye compositions, especially for dyeing hair, containing indane derivative compounds The dye composition for fibers, especially keratin-containing fibers, contains at least one indane derivative compound of formula I, or a physiologically compatible, water-soluble salt thereof: ##STR1## wherein R1 is hydrogen, a halogen atom, a cyano grou... | 05/15/2001 |
| 6203578 | Use of silicon compounds to dye human keratin fibers; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel sil... | 03/20/2001 |
| 6187057 | Direct hair dyeing composition comprising a cross-linked polymer with acrylic and/or acrylate units and with acrylamide units The invention discloses a capillary dyeing composition comprising at least one direct dye, characterised in that it further contains a cross-linked polymer with acrylic and/or acrylate units and with acrylamide units. The invention also discloses the use ... | 02/13/2001 |
| 6179881 | Compositions and processes for dyeing keratin fibers with azo compounds Azo compounds of the 2-(4-amino)phenyldiazinecarboximidamide type and 2-(4-amino)phenylhydrazinecarboximidamide type, a process for their synthesis, their use for dyeing keratin fibers, dye compositions containing them, and dyeing processes.... | 01/30/2001 |
| 6176885 | Use of silicon compounds to dye human keratin fibres; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibers and in particular the hair. The invention also relates to novel sil... | 01/23/2001 |
| 6136042 | Direct capillary dyeing composition comprising a cross-linked polymer with acrylic and alkyl C10 -C30 acrylate units The invention discloses a capillary dyeing composition comprising at least one direct dye, wherein the composition further comprises a cross-linked polymer with acrylic units and alkyl C10 -C30 acrylate units. The invention also disc... | 10/24/2000 |
| 6027537 | Use of silicon compounds to dye human keratin fibres; novel compounds and compositions containing them The use of linear or cyclic silicon compounds containing at least one chromophoric group of quinone or azo type as direct dyes in dye compositions intended for dyeing human keratin fibres and in particular the hair. The invention also relates to novel sil... | 02/22/2000 |
