Patents by Inventor Christine Dupuis

Christine Dupuis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6703026
    Abstract: The present application relates to cosmetic compositions containing, in a cosmetically acceptable aqueous medium, at least one polyorganosiloxane and an acrylic terpolymer, as well as to the use of these compositions for treating keratinous material, in particular the skin or the hair. The acrylic terpolymer comprises: a) about 20 to 70% by weight of a carboxylic acid containing &agr;,&bgr;-monoethylenic unsaturation; b) about 20 to 80% by weight of a non-surfactant monomer containing monoethylenic unsaturation, which is different from a), and c) about 0.5 to 60% by weight of a nonionic urethane monomer which is the product of reaction of a monohydric nonionic surfactant with a monoisocyanate containing monoethylenic unsaturation. The polyorganosiloxane is preferably a non-volatile silicone.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: March 9, 2004
    Assignee: L'Oreal
    Inventor: Christine Dupuis
  • Publication number: 20040042974
    Abstract: The present invention relates to a two-compartment aerosol device comprising, in a first compartment, a hair-styling aqueous composition, and, in a second compartment, a compressed gas chosen from air, nitrogen, carbon dioxide and mixtures thereof. The said hair-styling composition comprises less than 5% by weight, relative to the total weight of the said composition, of C1-C4 monohydric alcohols, and at least one water-soluble or water-dispersible fixing polymer, the said water-soluble or water-dispersible fixing polymer being different from a vinylpyrrolidone homopolymer.
    Type: Application
    Filed: May 30, 2003
    Publication date: March 4, 2004
    Applicant: L'OREAL
    Inventors: Christine Dupuis, Isabelle Rollat, Katarina Benabdillah, Henri Samain, Jonathan Gawtrey
  • Publication number: 20030198603
    Abstract: The invention relates to a styling composition packaged in an aerosol device, comprising
    Type: Application
    Filed: December 17, 2002
    Publication date: October 23, 2003
    Inventors: Isabelle Rollat-Corvol, Christine Dupuis, Katarina Benabdillah, Christiane Condamine
  • Patent number: 6630133
    Abstract: A cosmetic composition comprising at least one silicone/acrylate copolymer and at least one non-cellulose thickening agent, wherein the at least one silicone/acrylate copolymer is obtained by radical-mediated polymerization of at least one ethylenically unsaturated monomer (a) in the presence of at least one silicone derivative (b) comprising at least one oxyalkylene group. A cosmetic process, in particular a process for fixing and/or holding the hairstyle by using said composition, as well as to the use of this composition for the manufacture of a cosmetic formulation intended in particular for holding and/or shaping the hairstyle.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: October 7, 2003
    Assignee: L'Oreal S.A.
    Inventor: Christine Dupuis
  • Patent number: 6630136
    Abstract: A cosmetic or dermatological composition for treating keratinous material, particularly human hair, including a cosmetically or dermatologically acceptable medium containing at least one silcone-grafted polymer with a polysiloxane backbone grafted by non-silicone organic monomers and at least one amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit. Such compositions are particularly suitable for use as rinsable or non-rinsable products for washing and conditioning hair, hair setting of hair styling.
    Type: Grant
    Filed: June 8, 2000
    Date of Patent: October 7, 2003
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis
  • Patent number: 6613315
    Abstract: The invention concerns cosmetic compositions containing, in a cosmetically acceptable medium, as thickening system: (A) at least a non-ionic associative polyurethane and (B) at least a non-ionic polymer comprising at least a fatty chain.
    Type: Grant
    Filed: December 22, 1999
    Date of Patent: September 2, 2003
    Assignee: L'Oreal S.A.
    Inventor: Christine Dupuis
  • Patent number: 6607714
    Abstract: A thickening system for aqueous medium, which can be used in the fields of cosmetics, dermatology or hygiene, comprising at least one amphiphilic polymer comprising at least one fatty chain and at least one hydrophilic unit, and at least one protein.
    Type: Grant
    Filed: September 17, 1996
    Date of Patent: August 19, 2003
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Jean Mondet, Roland Audebert, Christophe Tribet
  • Patent number: 6592854
    Abstract: The invention concerns a cosmetic composition for treating keratinous fibers, in particular hair, containing at least an anionic or non-ionic polymer and at least one silicon comprising at least a carboxylic acid function, as well as the method for treating keratinous fibers using this composition.
    Type: Grant
    Filed: July 14, 1999
    Date of Patent: July 15, 2003
    Assignee: L'Oréal S. A.
    Inventor: Christine Dupuis
  • Patent number: 6524596
    Abstract: The invention concerns a cosmetic composition comprising in a cosmetically acceptable aqueous or hydroalcoholic medium, an aqueous dispersion of insoluble styling polymer particles, resulting in a mean fixing energy of styling material after drying on the keratinous fibers less than 200 microjoules in a fixing test. The invention is applicable to hair lacquers.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: February 25, 2003
    Assignee: L'Oreal S.A.
    Inventors: Henri Samain, Christine Dupuis
  • Patent number: 6511651
    Abstract: An aerosol device comprising a container containing an aerosol composition, comprising, on the one hand, a liquid phase (or fluid) containing at least one fixing material in a suitable solvent and, on the other hand, a propellant, and a means for distributing the aerosol composition, the fixing material having a glass transition temperature (Tg) of greater than or equal to 40° C., the fixing material comprising at least one polymer containing vinyllactam units, and the device being suitable for obtaining a wetting power of greater than or equal to 40 mg/s. The invention also relates to a process for treating keratin fibres, in which a composition comprising a fixing material having a glass transition temperature (Tg) of greater than or equal to 40° C., this fixing material comprising at least one polymer containing vinyllactam units, is applied to the fibres by means of a suitable device in order to obtain a wetting power of greater than or equal to 40 mg/s.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: January 28, 2003
    Assignee: L'Oreal
    Inventors: Henri Samain, Christine Dupuis
  • Patent number: 6503494
    Abstract: The present invention relates to a cosmetic or dermatological composition for treating keratin substances, in particular human hair, comprising a grafted silicone polymer with a non-silicone organic skeleton with at least one monomer containing at least one polysiloxane and at least one crosslinked or non-crosslinked thickening polymer or copolymer of methacrylamide or a methacrylamide derivative.
    Type: Grant
    Filed: April 4, 2000
    Date of Patent: January 7, 2003
    Assignee: L'Oreal S.A.
    Inventors: Daniele Cauwet-Martin, Claude Dubief, Christine Dupuis
  • Publication number: 20020197225
    Abstract: A cosmetic hair composition comprising in a cosmetically acceptable medium, (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane; and (b) at least one non-silicone, non-cellulosic fixing polymer. The invention also relates to a method of making the composition, a cosmetic hair process comprising the application of this composition to hair, and also to methods for fixing and/or holding a hairstyle.
    Type: Application
    Filed: March 12, 2002
    Publication date: December 26, 2002
    Inventors: Franck Giroud, Christine Dupuis
  • Publication number: 20020197230
    Abstract: A cosmetic composition pressurized as an aerosol in the presence of a propellant and forming a mousse, comprising, in a cosmetically acceptable medium, at least one associative polyurethane and at least one anionic polymer, and to the use of an associative polyurethane in order to improve the properties of mousses based on anionic polymer and propellant.
    Type: Application
    Filed: April 12, 2002
    Publication date: December 26, 2002
    Applicant: L'Oreal
    Inventors: Christine Dupuis, Claude Dubief
  • Publication number: 20020197226
    Abstract: A cosmetic hair composition, such as a gel, comprising: (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane; and (b) at least one non-cellulosic, non-fixing thickener. The invention also relates to a method of making the composition, a cosmetic hair process comprising the application of this composition to the hair, and also to methods for fixing and/or holding the hairstyle.
    Type: Application
    Filed: March 12, 2002
    Publication date: December 26, 2002
    Inventors: Franck Giroud, Christine Dupuis
  • Patent number: 6497864
    Abstract: The invention concerns a hairstyling composition, in a cosmetically acceptable medium: (1) at least a polymer (A) selected such that the film obtained by drying a mixture of said polymer (A) with ethanol or water, at room temperature and a relative moisture content of 50%, has a mechanical profile defined by at least (i) an ultimate elongation rate (&egr;r) not less than 300%; (ii) a creep at 300 seconds (R300) not less than 45%; and (iii) when the creep at 300 seconds ranges between 45 and 60% the elongation is less than 1300%; (2) at least a non-ionic film forming polymer (B), different from polymer (A). The invention also concerns a hairstyling of hair-fixing method using said composition and its use for formulating hairstyling products such as lacquers, sprays or foams, for hairstyling or hair-fixing.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: December 24, 2002
    Assignee: L'Oréal S.A.
    Inventors: Henri Samain, Christine Dupuis
  • Publication number: 20020192165
    Abstract: An aerosol composition comprising (a) at least one polymer comprising a polysaccharide skeleton grafted with at least one group comprising at least one polysiloxane, and (b) a propellant comprising dimethyl ether. The invention also relates to a method of making the composition, an aerosol device containing the composition, and a cosmetic hair process, for fixing and/or holding the hairstyle by using this aerosol composition.
    Type: Application
    Filed: March 12, 2002
    Publication date: December 19, 2002
    Applicant: L'OREAL
    Inventors: Franck Giroud, Christine Dupuis
  • Publication number: 20020192179
    Abstract: The invention relates to a sprayable or vaporizable cosmetic composition, in particular in the form of an aerosol, comprising, in a cosmetically acceptable aqueous or aqueous/alcoholic medium, at least one fixing and/or conditioning polymer and at least one alkyl acrylate/alkyl methacrylate/acrylic acid copolymer.
    Type: Application
    Filed: May 30, 2002
    Publication date: December 19, 2002
    Applicant: L'OREAL
    Inventor: Christine Dupuis
  • Patent number: 6471952
    Abstract: A cosmetic or dermatological composition for treating keratinous material, particularly hair, including a cosmetically or dermatologically acceptable medium containing as least one silicone-grafter polymer with a polysiloxane portion and a portion consisting of a non-silicone organic chain, wherein one of the two portions constitutes the main polymeric chain while the other is grafted onto said main chain, and at least one combination of at least one anionic polymer and at least one cationic polymer. Such compositions are particularly suitable for use as rinsable or non-rinsable products for washing and conditioning hair, hair setting, or hair styling.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: October 29, 2002
    Assignee: L'Oreal, S.A.
    Inventors: Claude Dubief, Daniele Cauwet-Martin, Christine Dupuis
  • Patent number: 6468549
    Abstract: The invention relates to a cosmetic or dermatological composition containing an acidic aqueous medium and at least one crosslinked poly(2-acrylamido-2-methylpropanesulfonic acid) polymer neutralized to at least 90%. The composition contains, distributed randomly: (a) from 90 to 99.9% by weight of units of formula (1); and in which X+ denotes a cation or a mixture of cations, it being possible for at most 10 mol % of the cations X+ to be protons H+; (b) from 0.01 to 10% by weight of crosslinking units originating from at least one monomer having at least two olefinic double bonds; the proportions by weight being defined with respect to the total weight of the polymer. The invention also relates to the use of this composition in the cosmetic treatment of keratinous substances, in particular of the skin, hair and mucous membranes, and in particular to a non-therapeutic process for depigmentation of the skin.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: October 22, 2002
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Isabelle Hansenne, Mirelle Maubru, Laurence Sebillote-Arnaud, Raluca Lorant
  • Publication number: 20020136699
    Abstract: The present invention relates to a cosmetic or dermatological composition for the treatment of keratinous materials, particularly hair, comprising in a cosmetically or dermatalogically exceptable medium at least a grafted silicone polymer with a polysiloxanic skeleton grafted by organic non silicone monomers and at least an aqueous dispersions of insoluble particles of non ionic or cationic polymer. The compositions of the invention are used particularly as rinsed products or as non rinsed products particularly for hair washing, hair care, hair conditioning, hair dressing or hair setting.
    Type: Application
    Filed: March 8, 2002
    Publication date: September 26, 2002
    Applicant: L'OREAL
    Inventors: Claude Dubief, Christine Dupuis