Six-membered Hetero Ring Consisting Of One Nitrogen And Five Carbon Atoms Patents (Class 8/568)
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Publication number: 20090199352Abstract: A method of modulating a stability of a sulfonated dye, particularly its ozonefastness. The method comprises providing a salt of the dye, wherein the salt comprises at least one organic cation selected from the group consisting of: a first organic cation having a positive charge delocalized between a nitrogen atom and at least one other heteroatom; a second organic cation having a positive charge delocalized between a nitrogen atom and at least two other atoms; and a third organic cation of formula (A): wherein: Rp, Rq and Rr are each independently selected from a C1-6 alkyl group; s is 0, 1, 2 or 3; and Ar is a C6-12 aryl group or C3-12 heteroaryl group.Type: ApplicationFiled: February 10, 2009Publication date: August 13, 2009Inventors: Sutharsiny Indusegaram, Graciel Gonzaga, Simone Charlotte Vonwiller, Scott Matthew Starling, Lachlan Everett Hall, Damon Donald Ridley, Kia Silverbrook
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Patent number: 7569079Abstract: The present disclosure relates to polycationic monochromophoric hydrazone compounds of following formula (I): wherein W1 is a heteroaromatic radical comprising 5 or 6 ring members, optionally condensed with an aromatic ring comprising 6 ring members, comprising a quaternized nitrogen atom and optionally another heteroatom which may or may not be identical to nitrogen; X, which may or may not be identical, is a nitrogen atom or a CR2 group; Z is a cationic group comprising at least one quaternized nitrogen atom. 1The present disclosure also relates to a composition for dyeing human keratin fibers comprising the polycationic compounds disclosed herein, and to a dyeing process using the composition of the present disclosure, and ever further to multicompartment device.Type: GrantFiled: April 14, 2008Date of Patent: August 4, 2009Assignee: L'Oreal S.A.Inventors: Hervé David, Nadège Murguet
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Patent number: 7563289Abstract: Disclosed are thiol dyes of formula (1), wherein R1 is hydrogen; C1-C12alkyl; or phenyl-C1-C4alkyl; X is C1-C12alkylene; C2-C12alkenylene; C5-C10cycloalkylene; C5-C10arylene; or C5-C10arylene-C1-C10alkylene; Y is the residue of an organic dye which corresponds to the formula (1a), wherein R2 is hydrogen; or C1-C5alkyl; R3 is a radical of formula (1a1): (1a2); or (1a3); or R2 and R3 together with the linking carbon atom C form a 6 to 10 membered carbocyclic ring which may optionally be a condensated aromatic system and may contain one or more than one hetero atom; and R4, R5 and R6 independently form each other are hydrogen, or C1-C5alkyl; Z is H; or a thio ester group of formula (1b), wherein A is O; S; or N—R9; B is —OR7; —NR7R8, or —SR7; and A is O; S; or N—R9; B is —OR7; —NR7R8, or —SR7; and R7, R8 and R9, independently from each other are hydrogen; C1-C12alkyl C6-C12aryl; or C6-C12aryl-C1-C12alkyl. The compounds are useful for the dyeing of organic materials, such as keratin fibers, preferably human hair.Type: GrantFiled: September 27, 2006Date of Patent: July 21, 2009Assignee: Ciba CorporationInventors: Victor Paul Eliu, Beate Fröhling, Achim Bührer
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Patent number: 7553336Abstract: The present invention has for an object brightening cationic naphthalene dyes of formula (I) and colorants for keratin fibers, particularly human hair, containing these compoundsType: GrantFiled: October 26, 2004Date of Patent: June 30, 2009Assignee: Wella AGInventors: Markus Speckbacher, Hans-Juergen Braun
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Patent number: 7531008Abstract: The present disclosure relates to the use of a direct dye as an agent for lightening keratin fibers, such as, for example, human keratin fibers, and/or as an agent for coloring the said fibers. The disclosure also relates to a composition comprising, in a cosmetically acceptable medium, at least the direct dye. The disclosure also relates to a process for treating keratin fibers, including human keratin fibers, using the abovementioned composition, and also to a device comprising it. Finally, the disclosure relates to the use of the composition according to the disclosure as a coloring agent and/or as an optical lightening agent for the fibers.Type: GrantFiled: November 30, 2006Date of Patent: May 12, 2009Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7513918Abstract: The present invention relates to agents for coloring keratin fibers which comprise at least one zwitterionic azomethine dye of the general formula (I), (II), or (III) in which z is a heterocycle of the formula in which R8 is an alkyl sulfonate radical of the formula (XIII);Type: GrantFiled: April 19, 2007Date of Patent: April 7, 2009Assignee: The Procter & Gamble CompanyInventors: Cécile Pasquier, Veronique Buclin, Anita Roulin, Hans-Jürgen Braun
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Patent number: 7507262Abstract: Compositions for dyeing keratin fibers comprise (a) at least one keratin dyeing compound selected from aromatic systems which comprise at least one boronic acid or boronic ester moiety and which are capable of forming upon oxidation a nucleophile or an electrophile, (b) at least one additional keratin dyeing compound selected from the group consisting of auxiliary developers and auxiliary couplers, and (c) a cosmetically suitable medium. Methods for oxidatively dyeing keratin fibers comprise the steps of applying such compositions in the presence of an oxidizing agent and rinsing the hair. A hair coloring product in kit form comprises a first separately packaged container comprising a composition as described above and a second separately packaged container comprising an oxidizing agent.Type: GrantFiled: March 7, 2007Date of Patent: March 24, 2009Assignee: The Procter & Gamble CompanyInventors: Mu'lll Lim, Guiru Zhang, Margaret Popp, Bryan Patrick Murphy
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Patent number: 7497878Abstract: The present disclosure relates to compositions for the dyeing of human keratin fibers containing at least one compound of the following formula (I): Also disclosed herein is a method for dyeing human keratin fibers comprising applying to the fibers a dyeing composition of the present disclosure until the desired effect is obtained, in the presence or absence of an oxidizing agent, as well as a dyeing compositions containing at least one compound of formula (I).Type: GrantFiled: June 30, 2006Date of Patent: March 3, 2009Assignee: L'Oreal, S.A.Inventor: Alain Lagrange
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Patent number: 7488354Abstract: Disclosed herein is a dyeing composition comprising a particular disulphide dye and a method of dyeing human keratin fibers, such as hair, using this composition. This composition makes it possible to obtain particularly fast chromatic colorations.Type: GrantFiled: October 14, 2005Date of Patent: February 10, 2009Assignee: L'Oreal S.A.Inventors: Nicolas Daubress, Gilles Genain
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Patent number: 7488353Abstract: Cationic heteroarylazine dyes of general formulas (I) and (II) and colorants for keratin fibers containing these compounds.Type: GrantFiled: December 2, 2004Date of Patent: February 10, 2009Assignee: Wella AGInventors: Markus Speckbacher, Hans-Juergen Braun
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Patent number: 7476260Abstract: Formula (I) wherein R1 and R2 each independently from each other are a residue of an organic dye: Y1 and Y2 each independently from each other are unsubstituted or substituted, straightchain or branched, interrupted or uninterrupted —C1-C10alkylene-; —C5-C10cycloalkylene-; C5-C10arylene; or —C5-C10arylene-(C1-C10alkylene)-; Z1 and Z2 independently from each other are Formula (II) are each independently from each other hydrogen; or unsubstituted or substituted, straight-chain or branched, mono-cyclic or polycyclic, interrupted or uninterrupted C1-C14alkyl; C2-C14alkenyl; C6-C10aryl; C6-C10aryl-C1-C10alkyl; or C5-C10alkyl(C5-C10aryl); r, q and n independently from each other are 0 or 1, if n is 0, Z3 is hydrogen; and if n is 1, Z3 is —S—: with the proviso that the method does not comprise treating the fiber with an enzyme of the type of a protein disulfidisomerase (EC 5.3.4.1).Type: GrantFiled: March 29, 2005Date of Patent: January 13, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Victor Paul Eliu, Beate Fröhling, Dominique Kauffmann
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Patent number: 7462204Abstract: Novel cationic 4,5-diaminopyrazole derivatives of general formula (I) the colorants for keratin fibers containing these compounds and a process for producing the compounds of formula (I).Type: GrantFiled: September 2, 2004Date of Patent: December 9, 2008Assignee: Wella AGInventors: Otto Goettel, Andre Hayoz, Emmanuel Morand
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Publication number: 20080271260Abstract: An adjuvant composition comprising (A) a C1-C2carboxylic acid ester of a polyhydroxy compound containing from 2 to 20 hydroxyl groups and (B) an N-heterocyclic compound having a pKa, value of from 6 to 8 is storage-stable and suitable as an acid donor in the dyeing of polyamides.Type: ApplicationFiled: April 25, 2005Publication date: November 6, 2008Inventors: Hans-Jorg Peter, Claudius Brinkmann
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Patent number: 7429277Abstract: A hair-dyeing agent, which contains at least one compound represented by formula (1) or (2) as a dye: wherein X1 and X2 each are an oxygen atom, nitrogen atom, sulfur atom, or dialkylmethylene group; R1, R2, R3, R4, R5, R6, R7, and R8 each independently are a hydrogen atom or substituent; M1 and M2 each are a counter ion to balance the charge of the molecule; and m1 and m2 each are a number of 0 or more necessary to neutralize the charge of the molecule.Type: GrantFiled: March 22, 2006Date of Patent: September 30, 2008Assignee: Fujifilm CorporationInventor: Katsumi Kobayashi
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Patent number: 7429278Abstract: The present disclosure is directed to a family of N-alkylheteroaryl secondary para-phenylenediamines, to their preparation, and to a cosmetic composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one N-alkylheteroaryl secondary para-phenylenediamine. Further disclosed herein is a process of dyeing keratin fibers, a ready-to-use composition, and a kit comprising at least two compartments.Type: GrantFiled: September 28, 2007Date of Patent: September 30, 2008Assignee: L'OréalInventors: Stéphane Sabelle, Eric Metais
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Patent number: 7425221Abstract: The invention relates to a composition comprising, in a cosmetically acceptable medium, at least one particular direct dye. The invention further relates to a method for treating keratin fibers, in particular human keratin fibers, using the abovementioned composition, and a device comprising it. Finally, its subject is the use of the composition according to the invention as agent for lightening and/or as agent for dyeing said fibers.Type: GrantFiled: September 12, 2005Date of Patent: September 16, 2008Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7410506Abstract: The present disclosure relates to a novel family of dicationic bis-hydrazone compounds that may be used as direct dyes, and to a dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium, at least one such compound. Also disclosed are dyeing processes implementing this composition and uses thereof.Type: GrantFiled: October 14, 2005Date of Patent: August 12, 2008Assignee: L'Oreal S.A.Inventors: Hervé David, Andrew Greaves, Leïla Hercouet, Alain Lagrange
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Patent number: 7374581Abstract: The invention relates to a dye composition for dyeing human keratin fibres and more particularly the hair, comprising a particular direct cationic hydrazone dye of formula (I) and also to processes for dyeing human keratin fibres using such a composition.Type: GrantFiled: May 1, 2006Date of Patent: May 20, 2008Assignee: L'Oreal, S.A.Inventors: Alain Lagrange, Leïla Hercouet
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Patent number: 7326259Abstract: A subject-matter of the present patent application is the use, as direct dye in dyeing compositions for keratinous fibres, in particular human keratinous fibres, such as the hair, or for the manufacture of such compositions, of a specific polycationic compound.Type: GrantFiled: June 22, 2005Date of Patent: February 5, 2008Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7311736Abstract: The invention concerns the use as direct dyeing agent of at least one tetra-azapentamethine compound, a dyeing composition comprising at least such a compound, as well as a method for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, which consists in applying at least one composition comprising such a compound. The composition also concerns tetra-azapentamethine compounds of formula (I). The invention further concerns a method for bleaching such compounds, as well as bleaching keratinous fibers previously dyed therewith.Type: GrantFiled: July 4, 2003Date of Patent: December 25, 2007Assignee: L'OrealInventors: Herve Burgaud, Herve David, Rui Pereira, Beatrice Belcour-Castro
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Patent number: 7303591Abstract: A dye composition comprising at least one mixed dye comprising at least two chromophore chosen from azine and (hetero)aromatic nitro compounds, optionally associated with at least one chromophore chosen from methine and carbonyl compounds; a process for dyeing keratin fibers, for example, human keratin fibers, such as the hair, using the composition, a multi-compartment device comprising the composition; and the abovementioned mixed dyes.Type: GrantFiled: February 28, 2005Date of Patent: December 4, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7303592Abstract: Hair dyeing compositions are provided which comprise at least one coupler selected from N-aryl-m-phenylenediamine derivatives, 2-substituted N-aryl-m-phenylenediamine derivatives, and N-aryl-m-diaminopyridine derivatives, in combination with and at least one diaminopyrazole primary intermediate.Type: GrantFiled: March 11, 2005Date of Patent: December 4, 2007Assignee: The Procter & Gamble CompanyInventors: Mu'lll Lim, Guiru Zhang, Bryan Patrick Murphy
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Patent number: 7300471Abstract: Disclosed herein are a dye composition comprising at least one mixed dye comprising at least one chromophore chosen from chromophores of the azo family and the tri(hetero)arylmethane family; and the mixed dyes. Further disclosed herein are a process for dyeing keratin fibers, such as human keratin fibers, using the composition, and a device comprising the composition.Type: GrantFiled: February 28, 2005Date of Patent: November 27, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7288120Abstract: The present disclosure relates to processes for synthesizing tetraazapentamethine compounds that comprise reacting at least one compound of azine type with at least one oxidizing agent. The disclosure also relates to processes for dyeing keratin fibers, for example human keratin fibers, that comprise using such synthetic processes.Type: GrantFiled: December 13, 2004Date of Patent: October 30, 2007Assignee: L'Oreal S.A.Inventors: Rui Pereira, Hervé Burgaud
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Patent number: 7288121Abstract: The present invention relates to a dye composition including at least one mixed dye containing at least one chromophore of methine or carbonyl type or their combinations. The invention furthermore relates to a process for dyeing keratin fibers, especially human keratin fibers, such as the hair, using the composition, and also to a suitable kit. The invention also relates to the abovementioned mixed dyes per se.Type: GrantFiled: February 28, 2005Date of Patent: October 30, 2007Assignee: L'Oreal S.A.Inventors: Andrew Greaves, Hervé David, Henri Samain
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Patent number: 7282068Abstract: The present disclosure relates to compounds used as direct dyes, and dyeing compositions comprising such compounds. The disclosed compounds have the formula A-L-B, wherein A and B are chosen from arylazoimidazolium coloring functional groups, and L is a linker comprising at least one cationic group C. The disclosure also relates methods of using such compositions for coloring keratin fibers, such as the hair.Type: GrantFiled: May 31, 2005Date of Patent: October 16, 2007Assignee: L'Oreal S.A.Inventors: Alain Lagrange, Hervé David, Andrew Greaves
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Patent number: 7258702Abstract: The present invention relates to novel cationic yellow dyes of formula (1) wherein R1 and R2 are each independently of the other a C1-C8alkyl radical or an unsubstituted or substituted benzyl radical, R3 is hydrogen, C1-C8alkyl, C1-C8alkoxy, cyanide or halide, preferably hydrogen and X is an anion, with the proviso that at least one of the substitutents R1 is a benzyl radical and R2 is a methyl radical, R2 is not hydrogen, also to compositions therof, especially comprising other dyes, to processes for the preparation therof and to the use therof in the dyeing of organic material, such as keratin, wool, leather, silk, cellulose or polyamides, especially keratin-containging fibres, cotton or nylon, and preferably human hair.Type: GrantFiled: January 7, 2003Date of Patent: August 21, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Victor Paul Eliu, Beate Fröhling, Julia Hauser
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Patent number: 7250063Abstract: The invention concerns novel diaminopyrazole derivatives of formula (I), wherein: R1 represents C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, bearing at least a substituent selected among OR, NHR, NRR?, SR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I?; X represents H, Na, K or NH4; R and R?, identical or different, represent C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, unsubstituted or substituted by one or several functional groups selected among OH, NH2, OR, NHR, NRR?, SR, SOR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I, X, R and R? having the definitions mentioned above; R2 represents H, or C1-C6 alkyl or C2-C6, preferably up to C4, alkenyl, linear or branched, unsubstituted or substituted by one or several functional groups selected among OH, NH2, OR, NHR, NRR?, SR, SOR, SO2R, COOH, CONH2, CONRR?, PO(OH)2, SH, SO3X, a non-cationic heterocycle, Cl, Br or I, X, R and R? hType: GrantFiled: November 29, 2001Date of Patent: July 31, 2007Assignee: L'OrealInventors: Thilo Fessmann, Eric Terranova
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Patent number: 7241319Abstract: Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col??(I) in which Col, which may be identical or different, is a noncationic dye chosen from azo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethene dyes, xanthene dyes, phenanthridine dyes, and phthalocyanin dyes; and Z is chosen from linear and branched, saturated and unsaturated C1-C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least two cationic charges, and also to processes for dyeing human keratin fiber using said composition, to the use of the dyes of formula (I) as direct dyes, and to multi-compartment devices.Type: GrantFiled: December 23, 2003Date of Patent: July 10, 2007Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7238211Abstract: The invention relates to a dye composition that is useful for dyeing keratin fibers, containing at least one oxidation base and at least one coupler of the 6-alkoxy-2,3-diaminopyridine type in which the amino radical in position 2 is a disubstituted amino radical, to the use of this composition for dyeing keratin fibers and to the dyeing process using this composition. The invention also relates to novel 6-alkoxy-2,3-diaminopyridine compounds that are useful as couplers.Type: GrantFiled: October 6, 2003Date of Patent: July 3, 2007Assignee: L'Oreal S.A.Inventors: Laurent Vidal, Aziz Fadli
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Patent number: 7220286Abstract: The present invention relates to cationic direct dyes of formula (I) below: in which W1 represents —NR8— or —O—; X1 represents N; CR9; R1 and R2, which may be identical or different, represent a hydrocarbon chain; R3 and R4, which may be identical or different, represent a hydrogen atom, a halogen atom, a nitro group, a cyano group or a hydrocarbon chain; R5, R6, R7, R8 and R9, which may be identical or different, represent a hydrogen atom or a hydrocarbon chain; L represents a specific bridging group and X represents a cosmetically acceptable organic or mineral anion. It likewise relates to a dye composition comprising, in a medium suitable for dyeing human keratin fibers, such a dye, a process using it, and also a multicompartment device.Type: GrantFiled: January 13, 2005Date of Patent: May 22, 2007Assignee: L'Oreal SAInventor: Andrew Greaves
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Patent number: 7217299Abstract: The present invention relates to a dye composition comprising, as direct dye, at least one dye of the azo-pyridinio-pyridone family and at least one synthetic dye different from the first dye. The invention also relates to a process for dyeing keratin fibers, e.g., human keratin fibers such as the hair, and to a multi-compartment device for implementing it.Type: GrantFiled: January 7, 2005Date of Patent: May 15, 2007Assignee: L'Oreal S.A.Inventors: Sylvain Kravtchenko, Alain Lagrange, Frédéric Guerin
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Patent number: 7217297Abstract: Composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, which comprises at least one compound chosen from among the direct dyes of the heteroylarylmethane type defined herein, including diheteroylarylmethane and leuco precursors thereof. Furthermore, a method for dyeing keratin fibers, for example, human keratin fibers such as the hair, using the composition and a kit or device containing same.Type: GrantFiled: December 29, 2003Date of Patent: May 15, 2007Assignee: L'Oreal S.A.Inventors: Frédéric Guerin, Alain Lagrange
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Patent number: 7211116Abstract: Provided are a hair bleach composition, hair dye composition and a hair treatment additive having excellent bleaching power, capable of dyeing the hair with a bright and good color, and less damaging to the hair and less irritating to the scalp. Described specifically, they are a two-part hair bleach composition, which contains (a) a nitrogenous compound represented by the following formula (1) or (2): or salt thereof, or (A) a nitrogenous compound having a solubility parameter log P in octanol/water ranging from ?1 to 4 and a hydrogen peroxide remaining ratio of from 5 to 90%, or salt thereof, (b) an oxidizing agent, and optionally (c) an alkali agent and, after mixing, has a pH of from 7.5 to 12; a two-part hair dye composition comprising (a) or (A), (b) and (c) and further (d) an oxidation dye or direct dye; and an additive used therefor.Type: GrantFiled: December 13, 2002Date of Patent: May 1, 2007Assignee: Kao CorporationInventors: Akira Kiyomine, Masaki Fukuhara, Masayoshi Nojiri, Hideyuki Abe, Masakatsu Takahashi, Hiromoto Mizushima
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Patent number: 7211118Abstract: A composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, comprising at least one dye chosen from heteroylmethane type direct dyes, such as triheteroylmethane direct dyes and leuco precursors of such dyes, as defined herein. A method that uses the composition for dyeing keratin fibers, such as human keratin fibers, and further such as the hair, and a kit or device containing same.Type: GrantFiled: December 29, 2003Date of Patent: May 1, 2007Assignee: L'Oreal S.A.Inventors: Frédéric Guerin, Alain Lagrange
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Patent number: 7211117Abstract: A composition for dyeing keratin fibers, for example, human keratin fibers, such as hair, comprising at least one dye chosen from heteroyldiarylmethane type direct dyes, for example, monoheteroyidiarylmethane direct dyes, and the leuco precursors thereof; and also to methods for dyeing keratin fibers, for example, human keratin fibers, such as hair, using the composition, and multi-compartment devices.Type: GrantFiled: December 29, 2003Date of Patent: May 1, 2007Assignee: L'Oreal S.A.Inventors: Frédéric Guerin, Alain Lagrange
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Patent number: 7204857Abstract: The present invention relates to the use, for dyeing keratin fibres, of at least one specific compound containing active methylene and of at least one compound chosen from an aldehyde, a ketone, a quinone and a diiminoisoindoline or 3-aminoisoindolone derivative, which makes it possible to obtain, by reaction without an oxidizing agent, a coloration of the said keratin fibres.Type: GrantFiled: December 22, 1999Date of Patent: April 17, 2007Assignee: L'Oreal S.A.Inventors: Hervé Andrean, Alain Lagrange
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Patent number: 7201779Abstract: The invention relates to a dye composition comprising a direct dye consisting of different chromophores, the dye having a particular L*a*b* value. The invention also relates to the dyeing process using this composition and to the use of this composition for dyeing keratin fibers. These compositions in particular make it possible to obtain particularly fast colorations.Type: GrantFiled: June 16, 2004Date of Patent: April 10, 2007Assignee: L'Oreal S.A.Inventors: Henri Samain, Grégory Plos, Leila Hercouet, Andrew Greaves
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Patent number: 7198648Abstract: The invention relates to a method for dyeing keratin fibers, especially human hair. The inventive method comprises the following steps: optionally applying a pretreatment agent M1 to the fiber, using a dye M2 on the fiber which is optionally mixed immediately before application to the fiber from a component M2a, containing at least one oxidative dye pre-product of the developer type and/or an indole and/or indole derivative and a component M2b, containing an oxidative dye and/or an enzyme. If desired, a third agent M3 is added to the individual agents M2a or M2b before mixing them or to the mixture M2, and said dye M2 is rinsed from the fiber after a period of 5–10 minutes. At least one of the agents M1, M2a, M2b or M3 contains a compound from the vitamin B6 group. The invention further relates to hair pretreatment agents, to agents for dyeing keratin fibers, to their packing in corresponding kits and to the use thereof.Type: GrantFiled: June 9, 2001Date of Patent: April 3, 2007Assignee: Henkel Kommanditgesellschaft Auf Aktien (Henkel KGAA)Inventors: Frank Naumann, Astrid Kleen, Horst Hoeffkes, Bernd Meinigke
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Patent number: 7195649Abstract: N-Aryl-4,5-diaminopyrazole of formula (I) or a physiologically compatible salt thereof of an organic or inorganic acid wherein R1 and R2 independently of each other denote a hydrogen atom, a straight-chain or branched C1–C6-alkyl group, a hydroxyl group, a straight-chain or branched C1–C6-monohydroxyalkyl group, a straight-chain or branched C3–C6-dihydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C1–C6-hydroxyalkoxy group, a straight-chain or branched C3–C6-dihydroxyalkoxy group, an amino group, a C1–C4-monoalkylamino group, a di(C1–C4)-alkylamino group, a halogen atom, a difluoromethyl group or a trifluoromethyl group; Y stands for a nitrogen atom or a C-R3 group, wherein C is a carbon atom of the aromatic ring and R3 is a hydrogen atom, a halogen atom, a straight-chain or branched C1–C6-alkyl group, a straight-chain or branched C1–C6-hydroxyalkyl group, a straight-chain or branched C1–C6-alkoxy group, a straight-chain or branched C2-C6-hydroxyalkoxy grouType: GrantFiled: May 14, 2003Date of Patent: March 27, 2007Assignee: Wella AGInventors: Otto Goettel, Wolfram Geibel, Emmanuel Morand
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Patent number: 7186276Abstract: Disclosed herein is a dye composition for dyeing human keratin fibers, such as the hair, comprising a direct polycationic dye of formula (I) below: Col-Z-Col??(I) in which Col, which may be identical or different, is a monocationic dye chosen from azo dyes, methine dyes, azomethine dyes, and phenothiazine dyes; and Z is chosen from linear and branched, saturated and unsaturated C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least two cationic charges, and also to processes for dyeing human keratin fibers using said composition, to the use of the dyes of formula (I) as direct dyes, and to multi-compartment devices.Type: GrantFiled: December 23, 2003Date of Patent: March 6, 2007Assignee: L'OrealInventor: Alain Lagrange
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Patent number: 7179307Abstract: Use of an extract of the plant Myrsine africana in oxidation dyeing for dyeing keratin fibers, a novel composition comprising this plant extract, a process for the oxidation dyeing of keratin fibers using this composition, as well as the colored products obtained using the composition.Type: GrantFiled: September 23, 2005Date of Patent: February 20, 2007Assignee: L'Oreal, S.A.Inventors: Béatrice Belcour-Castro, Hervé Burgaud, Georges Hussler, Michel Seite
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Lightening dye composition comprising at least one cationic direct dye containing mixed chromophores
Patent number: 7172633Abstract: The present invention relates to a lightening dye composition comprising, in a suitable dyeing medium, an oxidizing agent, an alkaline agent in an amount such that the pH of the composition is greater than 7, and a mixed cationic dye comprising several chromophores linked together via a linker, at least two of the chromophores being different, the chromophores having an absorbance of between 400 and 800 nm. The invention makes it possible to obtain particularly fast colorations.Type: GrantFiled: June 16, 2004Date of Patent: February 6, 2007Assignee: L'Oréal S.A.Inventors: Henri Samain, Leila Hercouet -
Patent number: 7169194Abstract: A dye composition for dyeing human keratin fibers, such as hair, comprising at least one direct tricationic dye of formula (I) below: Col—Z—Col ??(I) wherein: Col, which may be identical or different, is a monocationic dye chosen from azo dyes, cyanomethine dyes and phenothiazine dyes and Z is chosen from linear and branched, saturated and unsaturated C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing a cationic charge. Also processes for dyeing human keratin fibers using the dye composition, to the use of the at least one direct tricationic dye of formula (I) as direct dyes, and to multi-compartment devices.Type: GrantFiled: December 23, 2003Date of Patent: January 30, 2007Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7156884Abstract: Pro-dyes of direct dyes having an enzymatically-labile functionality, e.g. glutaramide derivatives of direct dyes of formula (I) or their physiologically acceptable salts, are described, as well as compositions for dyeing keratinous fibers containing these pro-dyes, as well as compositions for dyeing keratinous fibers containing a combination of at least one pro-dye and at least one enzyme capable of cleaving the glutaramide functionality in the pro-dye. A method for dyeing keratinous fibers with the aforementioned dyeing compositions is also described.Type: GrantFiled: February 20, 2003Date of Patent: January 2, 2007Assignee: Wella AGInventors: David Rozzell, Juergen Allwohn, Laurent Chassot, Cècile Pasquier, Guido Sauter, Vèronique Buclin-Charrière
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Patent number: 7141078Abstract: The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular human keratinous fibers such as hair, comprising, in a medium suited for dyeing, (a) as first coupling agent at least a 3,5-diamino-pyridine derivative suitably selected; (b) and as second coupling agent at least resorcin (1,3-dihydrobenzene) and/or one of its addition salts with an acid; (c) and as third coupling agent at least an oxidation base such as para-phenylenediamine and/or one of its addition salts with an acid. The invention also concerns the dyeing method using said composition.Type: GrantFiled: April 11, 2001Date of Patent: November 28, 2006Assignee: L′OrealInventor: Marie-Pascale Audousset
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Patent number: 7141079Abstract: The invention concerns an oxidation dyeing composition for keratinous fibers, and in particular human keratinous fibers such as hair comprising, in a medium suited for dyeing: as first coupling agent at least a 3,5-diaminopyridine derivative suitably selected; and as second coupling agent at least a meta-phenylenediamine, and/or one of its addition salts with an acid; and at least an oxidation base such as para-phenylenediamine and/or one of its addition salts with an acid. The invention also concerns the dyeing method using said composition.Type: GrantFiled: April 11, 2001Date of Patent: November 28, 2006Assignee: L′OrealInventor: Marie-Pascale Audousset
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Patent number: 7135047Abstract: Agents for coloring keratinic fibers are provided which contain specific m-phenylenediamine derivatives such as N-2-(morpholine-4-yl)ethyl-m-phenylenediamine, N-3-(morpholine-4-yl)propyl-m-phenylenediamine, and N-3-(imidazole-1-yl)-propyl-m-phenylenediamine.Type: GrantFiled: June 22, 2005Date of Patent: November 14, 2006Assignee: Henkel Kommanditgesellschaft auf Aktien (Henkel KGaA)Inventors: Georg Knuebel, Bernd Meinigke, Horst Hoeffkes, Ralph Nemitz
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Patent number: 7094262Abstract: A dye composition for dyeing human keratin fibres, such as hair, comprising at least one dissymmetrical polycationic direct dye of formula (I) below: Col1-Z-Col2??(I) wherein: Col1 and Col2, which differ in structure, are chosen from tazo dyes, methine dyes, azomethine dyes, phenothiazine dyes, triarylmethane dyes, xanthene dyes, phenanthridine dyes and phthalocyanin dyes and Z is chosen from linear and branched, saturated, unsaturated and cyclic C1–C20 hydrocarbon-based groups comprising at least one nitrogen atom and bearing at least one cationic charge; and also to processes for dyeing human keratin fibres using the composition, to the use of the at least one dissymmetrical polycationic direct dye of formula (I) as direct dyes, and to multi-compartment devices.Type: GrantFiled: December 23, 2003Date of Patent: August 22, 2006Assignee: L'Oreal S.A.Inventor: Alain Lagrange
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Patent number: 7077872Abstract: The object of the present patent application are agents for dyeing keratin fibers based on a developer-coupler combination and characterized in that they contain at least one 3-aminophenol derivative of formula (I) or a physiologically compatible, water-soluble salt thereof wherein R1 denotes a group of the formula ?or a group of the formula ?as well as novel 3-aminophenol derivatives.Type: GrantFiled: April 24, 2002Date of Patent: July 18, 2006Assignee: Wella AGInventors: Cècile Pasquier, Patrick Wyss, Hans-Juergen Braun