Developed On The Hair Patents (Class 8/429)
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Patent number: 12005136Abstract: The group of inventions relates to the field of hairdressing and includes a method for the translucent dyeing of hair which is carried out by the step-by-step layered application of requisite compositions onto a strip of hair with mechanical action and constant monitoring of the process, said method comprising preparation of the hair for dyeing and dyeing with a dye which has been diluted with an oxidizing agent, wherein preparation for dyeing is carried out using compositions in the form of diffusions which are a mixture of components in which shampoo is used as an active substance, and dyeing is carried out using diffusions which are a mixture of components comprising an oxidative dye and a low-concentration oxidizing agent. The invention also relates to diffusions for implementing the method.Type: GrantFiled: March 15, 2021Date of Patent: June 11, 2024Inventor: Yulia Dikunova-Pertseva
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Publication number: 20130047349Abstract: Provided is a hair dye, which comprises a combination of (1) a first agent containing a substance reacting with iron to develop color, and (2) a second agent containing (a) an iron salt and (b) at least one component selected from among xylitol, sorbitol, pentylene glycol, dipropylene glycol, triethylene glycol, erythritol and diglycerin.Type: ApplicationFiled: February 28, 2011Publication date: February 28, 2013Applicant: FUJIFILM CORPORATIONInventor: Makiko Aimi
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Publication number: 20120255132Abstract: It is an object of the present invention to provide a safe hair dye, which requires a short hair dyeing time, has good hair dyeing property and color tone, and also has an effect of preventing photofading. The present invention provides a hair dye, which comprises a combination of (a) a first agent containing a substance reacting with iron to develop color and an ultraviolet absorbent having a 2-hydroxybenzophenone skeleton, and (b) a second agent containing iron salt.Type: ApplicationFiled: December 21, 2010Publication date: October 11, 2012Applicant: FUJIFILM CORPORATIONInventor: Makiko Aimi
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Patent number: 8268772Abstract: The present invention relates to depot preparations for the targeted release of an aldehyde together with two carboxylic acids, where the released aldehydes are organoleptic substances, specifically fragrances or flavorings, and these depot preparations are prepared by reacting aldehydes with carboxylic anhydrides.Type: GrantFiled: January 5, 2006Date of Patent: September 18, 2012Assignee: Symrise AGInventors: Marcus Eh, Horst Surburg, Steffen Sonnenberg
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Publication number: 20110253163Abstract: A method of colouring keratinous fibers comprising contacting the keratinous fibers sequentially with a pre-treatment composition and a colour developer wherein: i. the pre-treatment composition comprises: (a) 0.5-25% by weight of an iron salt at a pH below 2 including 0.5-5% by weight of a reducing agent (b) a buffer effective in the pH range 3-6 and (c) a penetration enhancer comprising one or more solvents having Hansen solubility parameter ?h between 1-10 (MPa)1/2 and ?p between 10-25 (MPa)1/2 wherein the component (b) is mixed with (a) or (c) not more than 360 minutes prior to contacting the keratinous fibers and ii. the colour developer is selected from one or more of hydrolysable tannin or its breakdown products or derivatives or a mixture thereof obtained from a natural or synthetic source, where the sequence of contact is in any order.Type: ApplicationFiled: November 6, 2009Publication date: October 20, 2011Inventors: Lalitha Balakrishnan, Indu Mani, Vijay Mukund Naik, Janhavi Sanjay Raut, Georgios Tetradis-Mairis
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Patent number: 8038733Abstract: A composition and system for use in coloring hair and improving color retention properties in colored hair is described. The composition of the present invention preferably includes hair dye and a copolymer of isobutylmethacrylate and silicone grafted acrylate in isoparaffin, whereby these components are combined in an aqueous based, or alternatively, a nonaqueous based solution. The system includes the step of applying the hair coloring solution to the hair.Type: GrantFiled: August 31, 2009Date of Patent: October 18, 2011Assignee: Farouk Systems, Inc.Inventor: Ali D. Ghannad
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Publication number: 20110138545Abstract: The present invention provides a composition for treating keratin fibres, and especially human keratin fibres such as the hair, which comprises, in a cosmetically acceptable medium, one or more alkanolamines, one or more amino acids and one or more cationic polymers. The present invention likewise provides methods of bleaching and/or colouring keratin fibres, and also multiple-compartment devices or kits for the implementation of these methods.Type: ApplicationFiled: December 17, 2008Publication date: June 16, 2011Inventors: Frédéric Legrand, Jean-Marc Ascione
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Publication number: 20110126362Abstract: Disclosed herein is an aqueous dye composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a suitable dyeing medium: (a) at least one oxidizing agent, (b) at least one water-insoluble oxygenated organic non-dyeing compound, present in an amount of at least 30% by weight relative to the total weight of the dye composition, and (c) at least one oxidation dye precursor and/or at least one direct dye. Also disclosed herein is a process for dyeing human keratin fibers, for example, the hair, comprising applying such a composition to the keratin fibers.Type: ApplicationFiled: February 9, 2011Publication date: June 2, 2011Inventors: Sylvain Kravtchenko, Claude Dubief
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Patent number: 7951209Abstract: The present invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres such as the hair, comprising at least one oxidation base chosen from 4,5- or 3,4-diaminopyrazoles and triaminopyrazoles, in combination with at least one selected carbonyl compound, and also to the dyeing process using this composition with an oxidizing agent.Type: GrantFiled: October 23, 2007Date of Patent: May 31, 2011Assignee: L'OrealInventor: Jean Cotteret
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Publication number: 20110113573Abstract: A natural coloring composition for coloring materials, and methods of its use. The coloring composition comprises a natural precursor aromatic ring molecule such as L-DOPA that is oxidatively oligomerized or polymerized in the presence of an amino acid to form a non-covalent derivatization composition. The natural coloring composition can also include a buffer, colorant, stabilizer, and/or thickening agent, and can comprise one or two inactive solutions that are combined to form an active coloring composition.Type: ApplicationFiled: November 15, 2010Publication date: May 19, 2011Applicants: WARNER BABCOCK INSTITUTE FOR GREEN CHEMISTRY, LLC, JOHN MASTERS ORGANIC HAIR CARE, INC.Inventors: John C. Warner, Emily J. Stoler
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Publication number: 20100125956Abstract: Provided is a one-part hair dye composition containing (A) one or two or more compounds represented by the formula (1), (B) an antioxidant composed of a combination of ascorbic acid or salt thereof and sulfurous acid or salt thereof, (C) a nonionic surfactant, and (D) a thickening polymer; and having a pH of from 8 to 11; and a method of controlling hair color by adjusting an (ascorbic acid or salt thereof)/(sulfurous acid or salt thereof) weight ratio in Component (B) of the composition: (wherein, a broken line: the presence or absence of a ? bond, R1: OH or acetoxy, R2: H, —COOR (R: H, CH3 or C2H5) or —COO?X+ (X+: cation), and R3: H, acetyl, CH3 or C2H5).Type: ApplicationFiled: June 7, 2007Publication date: May 27, 2010Applicant: Kao CorporationInventors: Kenzo Koike, Atsuko Ebato
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Patent number: 7670390Abstract: The invention relates to the use, for dyeing keratin fibers, 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 fibers into water-insoluble pigments, of formula A(B)x with A representing the chromophoric radical of dyes, and B representing a hydrogen atom or a group of formula (II) with Z representing a cationic water-solubilizing group Z+ or a polyethylene glycol residue, Y representing a hetero atom, F and F? representing a linear or branched C1-C14 alkylene chain, which may contain hetero atoms and may be substituted with one or more hydroxyl, amino or halogen groups. The invention also relates to processes for dyeing keratin fibers using latent pigments, to particular compositions containing them and to multi-compartment dyeing devices or “kits”.Type: GrantFiled: January 14, 2008Date of Patent: March 2, 2010Assignee: L'Oreal S.A.Inventors: Alain Lagrange, Sylvain Kravtchenko, Andrew Greaves
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Publication number: 20100031453Abstract: The present invention relates to a composition for dyeing keratin fibres, comprising at least one cationic diazo direct dye chosen from the compounds of formula (I) or (II) below, the mesomeric forms thereof, and also the acid-addition salts thereof and solvates thereof. The invention allows the production of colorations that are resistant to the various attacking factors to which the hair may be subjected, especially to shampooing. The invention also makes it possible to obtain blue or violet colorations, especially sparingly chromatic blue colorations, which lead to fundamental and/or natural shades. Moreover, the direct dyes used in the context of the invention are light-stable and stable under standard lightening dyeing conditions, in particular in the presence of an oxidizing agent and/or of ammonia.Type: ApplicationFiled: May 30, 2007Publication date: February 11, 2010Inventors: Andrew Greaves, Hervé David
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Publication number: 20080313820Abstract: The present disclosure relates to a composition for dyeing keratin fibers, comprising at least one direct dye, at least one bioheteropolysaccharide, at least one cationic surfactant and at least one amphoteric or non-ionic surfactant. Such a composition makes it possible to obtain compositions that allow intense and relatively nonselective shades to be obtained, leaving the hair with good cosmetic properties.Type: ApplicationFiled: December 21, 2007Publication date: December 25, 2008Inventors: Nathalie Huet, Marie-Pascale Audousset
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Publication number: 20080282481Abstract: The present invention relates to a process for dyeing keratin fibres, which comprises the application to the fibres of a composition containing at least one cationic polymer, rinsing of the keratin fibres, the application of a composition containing at least one anionic coloured polymer, and rinsing of the keratin fibres. Such a process makes it possible to obtain an improvement in the coloration of the keratin fibres.Type: ApplicationFiled: March 14, 2006Publication date: November 20, 2008Inventors: Maxime De Boni, Bruno Laguitton
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Patent number: 7413578Abstract: The present invention relates to agents comprising cationic azacyanine dyes of the formula (I) for coloring keratin fibers, such as, for example, wool, silk or furs and in particular human hair (where X1 is N—R1, O or S and X2 is N—R2, O or S), and to a method of coloring hair with varying degrees of damage.Type: GrantFiled: January 25, 2006Date of Patent: August 19, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller, Anita Roulin, Cécile Pasquíer
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Patent number: 7410507Abstract: The present invention relates to the use of cationic azacyanine dyes of the formula (Ia) or (Ib) for coloring keratin fibers, and to a method of coloring hair with various degrees of damage.Type: GrantFiled: January 25, 2006Date of Patent: August 12, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller, Anita Roulin, Cécile Pasquier
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Publication number: 20080148495Abstract: The invention relates to a method of imparting color onto keratinous substrates involving contacting said substrate with a composition comprising: at least one triarylmethane dye molecule chosen from polymeric triarylmethane dye molecules, copolymeric triarylmethane dye molecules, oligomeric triarylmethane dye molecules, and mixtures thereof; at least one film forming agent; and at least one solvent; and irradiating said substrate with a flash of light.Type: ApplicationFiled: December 22, 2006Publication date: June 26, 2008Applicant: L'OREALInventor: Murat Quadir
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Publication number: 20080120792Abstract: The subject of the present invention is the use, for dyeing in particular human keratin materials, of a specific direct azomethine dye, by dry thermal transfer. Its subject is furthermore a method for dyeing keratin materials, in which at least one direct azomethine dye contained in a dry composition, is applied to or close to the keratin materials, and a source of heat is applied, causing the thermal transfer of the direct dye(s) at the surface and/or inside the keratin materials. It relates furthermore to the dry composition and a method for preparing it.Type: ApplicationFiled: February 28, 2006Publication date: May 29, 2008Inventors: Gregory Plos, Luc Gourlaouen, Jean-Dominique Bazin De Bezons
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Patent number: 7374583Abstract: The present invention relates to agents containing cationic azacyanine dyes having formula (I) for dyeing fibers, such as, for example, keratin fibers, wool, silk or fleeces, and in particular human hair, as well as to new asymmetrical azacyanine dyes.Type: GrantFiled: April 3, 2007Date of Patent: May 20, 2008Assignee: The Procter & Gamble CompanyInventors: Manuela Javet, Catherine Müller
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Patent number: 7326255Abstract: 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 formula A(B)x with A representing the chromophoric radical of dyes, and B representing a hydrogen atom or a group of formula (II) with Z representing a cationic water-solubilizing group Z+ or a polyethylene glycol residue, Y representing a hetero atom, F and F? representing a linear or branched C1-C14 alkylene chain, which may contain hetero atoms and may be substituted with one or more hydroxyl, amino or halogen groups. The invention also relates to processes for dyeing keratin fibres using latent pigments, to particular compositions containing them and to multi-compartment dyeing devices or “kits”.Type: GrantFiled: November 19, 2003Date of Patent: February 5, 2008Assignee: L'Oreal S.A.Inventors: Alain Lagrange, Sylvain Kravtchenko, Andrew Greaves
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Patent number: 7297167Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one fatty alcohol (C8-C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.Type: GrantFiled: December 20, 2002Date of Patent: November 20, 2007Assignee: L'OrealInventors: Patricia Desenne, Cecile Bebot, Florence Laurent
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Patent number: 7223294Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, containing, in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one associative polymer and at least one fatty alcohol (C8–C30) comprising at least one unsaturation. The invention also relates to the dyeing devices and processes using the said composition.Type: GrantFiled: December 20, 2002Date of Patent: May 29, 2007Assignee: L'OrealInventors: Patricia Desenne, Cecile Bebot, Florence Laurent
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Patent number: 7214248Abstract: The composition for dyeing fibers is obtained before use by mixing a first component A1, containing at least one enamine of the formula (I) with a second component A2, containing at least one carbonyl compound. A multi-component kit for dyeing and, later on, decolorizing fibers, and a method for temporarily dyeing hair with the composition for dyeing fibers and later removing the dyed hair color with a decolorizing component B containing a sulfite are also provided. The multi-component kit for dyeing and, later on, decolorizing fibers, separately contains the first component A1, the second component A2 and the decolorizing component B.Type: GrantFiled: November 23, 1999Date of Patent: May 8, 2007Assignee: Wella AGInventors: Manuela Javet, Catherine Mueller, Sylviane Oberson, Gisela Umbricht, Hans-Juergen Braun, Otto Goettel, Andre Hayoz
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Patent number: 7204858Abstract: The invention relates to a composition useful for the oxidation dyeing of keratin fibres, in particular of human keratin fibres and more particularly the hair, comprising, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also comprises at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, and at least one quaternized cellulose comprising at least one fatty chain. The invention also relates to the dyeing devices and processes using the said composition.Type: GrantFiled: December 20, 2002Date of Patent: April 17, 2007Assignee: L'OrealInventors: Patricia Desenne, Cecile Bebot, Florence Laurent
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Patent number: 7192453Abstract: 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 an aromatic or heterocyclic ring, is diazotised, and the resulting diazonium salt is applied at a pH of from 2 to 5 to the material being colored and then, by means of increasing the pH to from 7 to 12, is fixed on the material in the form of an oligomeric or polymeric colorantType: GrantFiled: October 8, 2002Date of Patent: March 20, 2007Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Marie Adam, Taher Yousaf
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Patent number: 7115147Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibers, preferably of human keratin fibers and more particularly the hair, containing, preferably in a medium that is suitable for dyeing, at least one oxidation dye, wherein it also contains at least one polyoxyalkylenated carboxylic acid ether or a salt thereof, at least one mono- or polyglycerolated surfactant and at least one nonionic oxyalkylenated surfactant. The invention also relates to the dyeing devices and processes using the composition.Type: GrantFiled: December 20, 2002Date of Patent: October 3, 2006Assignee: L'OrealInventors: Patricia Desenne, Cecile Bebot, Florence Laurent
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Patent number: 7041143Abstract: A method of coloring porous material, especially human hair, is described, which method comprises applying to the material being colored, in any desired order successively, or simultaneously, a) a capped diazonium compound and b) a water-soluble coupling component under conditions such that, initially, coupling does not take place, and then causing the capped diazonium compound present on the material to react with the coupling component.Type: GrantFiled: February 28, 2002Date of Patent: May 9, 2006Assignee: Ciba Specialty Chemicals CorporationInventors: Jean-Marie Adam, Taher Yousaf, Beate Fröhling
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Oxidation dyeing method using N-acetyclysteine as a reducing agent and laccase as an oxidating agent
Patent number: 6840964Abstract: The present invention relates to a method for dyeing keratin fibers especially human keratin fibers such as hair, characterized in that it consists in the following: a dyeing composition (A) is applied to the fibers, whereby said dyeing composition contains at least one oxidation dye precursor in an appropriate medium and optionally one or several couplers in addition to N-acetylcysteine as a reducing agent; the color is revealed in the presence of air in an alkaline, neutral or acidic medium with the aid of laccase, whereby said laccase is incorporated into composition (A) or composition (B); compositions (A) and (B) are immediately mixed before used or applied successively to keratin fibers.Type: GrantFiled: February 24, 2000Date of Patent: January 11, 2005Assignee: L'OrealInventor: Grégory Plos -
Patent number: 6716257Abstract: The new diaminopyrazole compounds are bridged 4,5-diaminopyrazole compounds or salts thereof.Type: GrantFiled: December 14, 2001Date of Patent: April 6, 2004Assignee: Wella AktiengesellschaftInventors: Otto Goettel, Aline Pirrello, André Hayoz, Emmanuel Morand
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Patent number: 6458167Abstract: The invention relates to dyeing compositions containing phenyl-azo-benzene compounds comprising at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains comprising at least one quaternized saturated ring and aliphatic chains comprising at least one quaternized unsaturated ring, to the use of such compositions as direct dyes in dyeing applications for keratin substances, in particular human keratin fibers and especially the hair, and to the direct dyeing processes employing these compositions.Type: GrantFiled: January 18, 2000Date of Patent: October 1, 2002Assignee: L'Oreal S.A.Inventors: Alain Genet, Alan Lagrange
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Patent number: 6436153Abstract: The invention relates to a direct dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing and which is free of oxidases or oxidoreductases, at least one cationic direct dye of given formula and at least one specific polyol and/or polyol ether. Subjects of the invention are also the dyeing processes and devices/kits using the said composition.Type: GrantFiled: May 28, 1999Date of Patent: August 20, 2002Assignee: L'Oréal S.A.Inventor: Christine Rondeau
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Patent number: 6371994Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, comprising at least one cationic direct dye of given formula and at least glycerol and/or one specific polyol and/or polyol ether. The invention also relates to the dyeing processes and devices using this composition.Type: GrantFiled: May 28, 1999Date of Patent: April 16, 2002Assignee: L'Oreal S.A.Inventors: Gérard Lang, Jean Cotteret
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Patent number: 6344063Abstract: An oxidation dye composition for keratin fibres and in particular for human keratin fibres such as the hair, comprising, in water, at least one oxidation dye precursor and optionally one or more couplers, characterized in that it also comprises a nonionic amphiphilic polymer containing at least one fatty chain and at least one hydrophilic unit, and, therefore the invention also relates to the processes and dyeing devices using the oxidation dye composition.Type: GrantFiled: July 16, 2001Date of Patent: February 5, 2002Assignee: L'OrealInventors: Roland de la Mettrie, Françoise Boudy
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Patent number: 6277155Abstract: An oxidation dye composition for keratin fibers, and in particular for human keratin fibers such as the hair, comprising, in a medium which is suitable for dyeing, at least one oxidation dye precursor and optionally one or more couplers, characterized in that it also comprises a nonionic amphiphilic polymer containing at least one fatty chain and at least one hydrophilic unit, and the invention also relates to the processes and dyeing devices using the said oxidation dye composition.Type: GrantFiled: July 30, 1999Date of Patent: August 21, 2001Assignee: L'OrealInventors: Roland De La Mettrie, Françoise Boudy
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Publication number: 20010008031Abstract: A novel oxidizing system comprising ascorbic acid, at least one metal ion and an oxidizing agent capable of generating an oxidizing potential of from about 100 to about 500 millivolts at a pH ranging from about 2 to about 10. The oxidizing system can be used in quenching or neutralizing permanent wave processes and in developing oxidative hair color.Type: ApplicationFiled: August 20, 1997Publication date: July 19, 2001Inventors: THOMAS SCHULTZ, NATALYA FADEEVA, DAVID W. CANNELL
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Publication number: 20010002254Abstract: A developer composition having a pH of 2.5 to 6.9, for use in oxidative dyeing of hair comprising 0.01-20% of a primary thickening agent which is an aqueous solution of acrylic polymer comprised of A and B monomers wherein the A monomer is selected from the group consisting of acrylic acid, methacrylic acid, and mixtures thereof; and the B monomer is selected from the group consisting of a C1-22 alkyl methacrylate, and a C1-22 alkyl acrylate, and mixtures thereof; 0.01-20% of a nonionic surfactant, 0.01-25% hydrogen peroxide, and 65-99.9% water; a hair dye mixture for coloring hair; a two component kit for coloring hair; and a method for coloring hair.Type: ApplicationFiled: January 25, 2001Publication date: May 31, 2001Applicant: Revlon Consumer Products CorporationInventors: Dalal Ibrahim Duffer, Teresita Vergaria Imperial
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Patent number: 6203578Abstract: 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 silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: March 20, 2001Assignee: L'OrealInventors: Madeleine Leduc, Hervé Richard, Alain Lagrange
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Patent number: 6176885Abstract: 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 silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: September 29, 1999Date of Patent: January 23, 2001Assignee: L'OrealInventors: Madeleine Leduc, Herv{acute over (e)} Richard, Alain Lagrange
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Patent number: 6077320Abstract: Diiminoisoindoline derivatives or 3-aminoisoindolone derivatives, or tautomeric forms thereof, used as oxidizing-agent-free dye precursors in dyeing keratin fibers, in particular human keratin fibers such as the hair, without an oxidizing agent, in the presence of compounds containing a primary or secondary amine function; dye compositions containing these compounds and to the dyeing devices and processes used.Type: GrantFiled: December 11, 1997Date of Patent: June 20, 2000Assignee: L'OrealInventors: Herve Andrean, Alain Lagrange
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Patent number: 6027537Abstract: 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 silicon compounds and dye compositions containing them, as well as to the corresponding direct dyeing process.Type: GrantFiled: October 30, 1997Date of Patent: February 22, 2000Assignee: L'OrealInventors: Madeleine Leduc, Herve Richard, Alain Lagrange
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Patent number: 5980586Abstract: A process of dyeing hair by preparing and applying to the hair an aqueous reaction medium comprising an aminoethanethiol, a dihydroxybenzene and a ferricyanide or persulfate oxidizing agent, the composition optionally containing a color modifier selected from the group consisting of direct dyes, primary intermediates, couplers and mixtures thereof, and also containing a buffer to maintain the pH in the range from 2 to 11 during the oxidation reaction, and removing the aqueous reaction medium from the hair after the desired color is attained, and compositions and kits for practicing such processes.Type: GrantFiled: December 10, 1996Date of Patent: November 9, 1999Assignee: Bristol-Myers Squibb CompanyInventors: Gottfried Wenke, Guiseppe Prota
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Patent number: 5874618Abstract: Novel nitrobenzene compounds of the nitroparaphenylene-diamine type substituted by sulphur in the 5-position are disclosed. These compounds are intended especially for the dyeing of keratin fibers and in particular human hair. A process for their preparation, dyeing compositions in which these compounds are present and a dyeing process in which these compositions are used are also disclosed.Type: GrantFiled: September 30, 1997Date of Patent: February 23, 1999Assignee: L'OrealInventors: Alain Lagrange, Alain Genet
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Patent number: 5735910Abstract: Novel nitrobenzene compounds of the nitroparaphenylenediamine type substituted by sulphur in the 5-position are disclosed. These compounds are intended especially for the dyeing of keratin fibres and in particular human hair. A process for their preparation, dyeing compositions in which these compounds are present and a dyeing process in which these compositions are used are also disclosed.Type: GrantFiled: December 31, 1996Date of Patent: April 7, 1998Assignee: L'OrealInventors: Alain Lagrange, Alain Genet
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Patent number: 5468256Abstract: The present invention includes new 4-{4'-{bis-(.beta.-hydroxyethyl)amino}phenylazo}benzenesulfonic acid amides of formula (II) ##STR1## wherein Y is fluorine, chlorine or bromine. The invention also includes new hair dyeing compositions for dyeing hair including 0.01 to 5 percent by weight of the compound of formula II, 0.5 to 30 percent by weight of a surfactant and a solvent which can be water, ethanol, propanol, isopropanol, glycerin or 1,2-propylene glycol.Type: GrantFiled: April 15, 1994Date of Patent: November 21, 1995Assignee: Wella AktiengesellschaftInventor: Hans-Jurgen Braun
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Patent number: 5409502Abstract: The compositions for dyeing hair contains at least one 4'- amino-2-halogen-4-[bis-(.beta.-hydroxyethyl)amino]azobenzene. The hair dye compositions according to the invention have a good resistance to acids and provide a wide assortment of natural and fashion shades.Type: GrantFiled: December 9, 1993Date of Patent: April 25, 1995Assignee: Wella AktiengesellschaftInventor: Hans J. Braun
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Patent number: 5346509Abstract: Process for dyeing human hair by the sequential treatment of the hair with a metal ion and particularly transition metal ion containing composition and with a dye composition containing 5,6-dihydroxyindole-2-carboxylic acid.Type: GrantFiled: April 14, 1993Date of Patent: September 13, 1994Assignee: Clairol IncorporatedInventors: Thomas M. Schultz, Keith C. Brown, Leszek J. Wolfram, Giuseppe Prota
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Patent number: 5332581Abstract: A keratinous fiber treating composition comprising the following components (a) and (b), and an acid. ##STR1## The keratinous fiber treating composition according to the present invention makes it possible to impart a good elasticity to the hair without causing any damage (for example, dryness, stiffness and splitting) thereof.Type: GrantFiled: August 28, 1992Date of Patent: July 26, 1994Assignee: Kao CorporationInventors: Toru Yoshihara, Takayoshi Kajino, Emi Chugun
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Patent number: 5316551Abstract: In a method for oxidatively dyeing hair, a pretreatment which comprises contacting hair with an aqueous solution of an effective amount of particular metal/chelate complexes followed by treatment with oxidative dye mixtures is disclosed. The process serves to conform the oxidative dyeing rate of virgin hair to that of the normally noncongruent rate of nonvirgin hair, so as to enhance the efficiency of the oxidative dyeing process, without reducing the intensity or variety of color available.Type: GrantFiled: January 3, 1992Date of Patent: May 31, 1994Assignee: Clairol IncorporatedInventor: Gottfried Wenke
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Patent number: 5281240Abstract: A method of coloring hair in which there is applied to the hair a hair coloring preparation consisting essentially of a water based organic solvent free mixture of 0.01 to 10.0 percent by weight of a temporary dye color which is a water soluble acid dye, 0.1 to 10.0 percent by weight of a quaternary ammonium functional silane, the remainder of the mixture being water. The mixture is combed through the hair and the hair is allowed to dry without rinsing.Type: GrantFiled: September 21, 1992Date of Patent: January 25, 1994Assignee: Dow Corning CorporationInventor: James B. McGee