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: 6132707
    Abstract: A cosmetic or dermatological composition for treating keratinous material, particularly human hair, including a cosmetically or dermatologically acceptable medium containing at least one silicone-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 or hair styling.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: October 17, 2000
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis
  • Patent number: 6120780
    Abstract: The present application relates to the use, as a cosmetic product, of crosslinked and at least 90% neutralized poly(2-acrylamido-2-methylpropanesulphonic acid) polymers. They generally comprise, distributed randomly:a) from 90 to 99.9% by weight of units of general formula (1) below: ##STR1## in which X.sup.+ denotes a cation or a mixture of cations, not more than 10 mol % of the cations X.sup.+ being able to be protons H.sup.+ ;b) from 0.01 to 10% by weight of crosslinking units derived from at least one monomer having at least two olefinic double bonds; the weight proportions being defined relative to the total weight of the polymer.The present application relates in particular to their use as thickener and/or gelling agent in cosmetic and/or dermatological compositions.
    Type: Grant
    Filed: October 27, 1998
    Date of Patent: September 19, 2000
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Isabelle Hansenne, Mireille Maubru, Laurence Sebillotte-Arnaud, Raluca Lorant
  • Patent number: 6090376
    Abstract: The present invention relates to a cosmetic or dermatological composition for the treatment of keratinous substances, in particular human hair, comprising, in a cosmetically or dermatologically acceptable medium, at least one grafted silicone polymer with a non-silicone organic skeleton grafted by monomers containing a polysiloxane and at least one ionic amphiphilic polymer containing at least one fatty chain and at least one hydrophilic unit.The compositions according to the invention are in particular used as products which are rinsed out or as products which are not rinsed out, in particular for washing, caring for or conditioning the hair, form retention of the hair style or shaping of the hair style.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: July 18, 2000
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis
  • Patent number: 6086862
    Abstract: The present invention relates to a cosmetic or dermatological composition for the treatment of keratinous material, in particular the hair, comprising, in a cosmetically or dermatologically acceptable medium, at least one grafted silicone polymer, containing a polysiloxane skeleton grafted with non-silicone organic monomers and at least one anionic polymer in an anionic polymer/grafted silicone polymer weight ratio of between 0.25 and 15.The compositions according to the invention are used in particular as rinse-out products or as leave-in products, in particular for the washing, care and conditioning of the hair, for maintaining the hairstyle or for shaping the hairstyle.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: July 11, 2000
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis, Daniele Cauwet-Martin
  • Patent number: 6080392
    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: Grant
    Filed: May 13, 1996
    Date of Patent: June 27, 2000
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Claude Dubief
  • Patent number: 6071499
    Abstract: A cosmetic composition comprising in a cosmetically acceptable medium, at least one anionic acrylic polymer and at least one specific oxyalkylenated silicone, and a process for the cosmetic treatment of keratinous substances, such as the hair or eyelashes, comprising applying to the keratinous substances a cosmetic composition as defined above and optionally rinsing with water.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: June 6, 2000
    Assignee: L'Oreal
    Inventor: Christine Dupuis
  • Patent number: 6056945
    Abstract: A cosmetic or dermatological composition for treating keratinous material, particularly human hair, including a cosmetically or dermatologically acceptable medium containing at least one silicone-grafted 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 optionally cross-linked thickening polymer or copolymer of (meth)acrylamide or a (meth)acrylamide derivative, as well as the uses thereof, are disclosed. 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: May 2, 2000
    Assignee: L'Oreal
    Inventors: Daniele Cauwet-Martin, Claude Dubief, Christine Dupuis
  • Patent number: 6031043
    Abstract: A topical composition comprising an aqueous phase containing a hydrophilic gelling agent of polyester sulphone type selected from water-soluble or water-dispersible terephthalic copolyester oligomers comprising repeating dicarboxylate units of formula (I):CO--A--CO--O(CH.sub.2 CH.sub.2 O).sub.nwherein the weight-average molecular mass of the copolyester oligomer is less than 20,000, preferably less than 15,000, and a cosmetic treatment process for the skin, mucous membranes or the exoskeleton, in which a composition according to the invention is applied to the skin, mucous membranes or the exoskeleton.
    Type: Grant
    Filed: March 16, 1998
    Date of Patent: February 29, 2000
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Henri Samain
  • Patent number: 6011126
    Abstract: The present invention relates to a cosmetic or dermatological composition for the treatment of keratinous substances, in particular human hair, comprising, in a cosmetically or dermatologically acceptable medium, at least one polymer with a non-silicone organic skeleton grafted by monomers containing a polysiloxane and at least one polymer with a polysiloxane skeleton grafted by non-silicone organic monomers and to its uses. The compositions according to the invention are used in particular as product which are to be rinsed or as products which are not to be rinsed, in particular for washing, caring for or conditioning the hair, form retention of the hairstyle or shaping of the hairstyle.
    Type: Grant
    Filed: June 3, 1998
    Date of Patent: January 4, 2000
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis
  • Patent number: 6007800
    Abstract: The present invention relates to a composition for the treatment of keratinous material, in particular human hair, comprising, in a cosmetically or dermatologically acceptable medium, at least one grafted silicone polymer, containing a polysiloxane skeleton grafted with non-silicone organic monomers and at least one hydrocarbon which is liquid at room temperature, the hydrocarbon chain of which has from 11 to 26 linear or branched, cyclic or acyclic carbon atoms, as well as its applications.The compositions according to the invention are used in particular as rinse-out products or as leave-in products, in particular for the washing, care and conditioning of the hair, for maintaining the hairstyle or for shaping the hairstyle.
    Type: Grant
    Filed: December 30, 1997
    Date of Patent: December 28, 1999
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis, Daniele Cauwet-Martin
  • Patent number: 5989570
    Abstract: A composition comprising at least one film forming polymer and at least one oligomer chosen from homopolymers or copolymers of monomers containing ethylenic unsaturation and polycondensates, having an average molecular weight, measured at the peak height by steric exclusion chromatography, ranging from 400 to 10,000 and having a glass transition temperature ranging from -80 to 10.degree. C., the composition containing no film-forming polymer of the nitrocellulose type is disclosed.Topical formulations formulated from this composition, in particular hair compositions for styling, holding and/or fixing the hair, and make-up compositions are also disclosed.
    Type: Grant
    Filed: June 30, 1997
    Date of Patent: November 23, 1999
    Assignee: L'Oreal
    Inventors: Bertrand Lion, Christine Dupuis
  • Patent number: 5976517
    Abstract: A cosmetic or dermatological composition for treating keratinous material, particularly human hair, including a cosmetically or dermatologically acceptable medium containing at least one anionic, amphoteric or non-ionic silicone-grafted polymer with a polysiloxane backbone grafted by non-silicone organic monomers, and at least one amphoteric polymer, wherein the ratio of the amphoteric polymer to the silicone-grafted polymer is 0.25-15. 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: November 2, 1999
    Assignee: L'Oreal
    Inventors: Claude Dubief, Christine Dupuis, Daniele Cauwet-Martin
  • Patent number: 5900229
    Abstract: The invention relates to the use as sole or additional foaming agent in aqueous compositions for treating the skin or the hair, which are packaged in an aerosol device and are capable of forming a foam after expansion into the air, of a terpolymer consisting of 25 to 90% of vinyl lactam, of 1 to 55% of unsaturated carboxylic acid and of 1 to 20% of alkyl acrylate or methacrylate containing at least 6 carbon atoms, and to cosmetic or dermatological compositions packaged as an aerosol and forming a foam in the air, containing the terpolymer.
    Type: Grant
    Filed: January 5, 1995
    Date of Patent: May 4, 1999
    Assignee: L'Oreal
    Inventor: Christine Dupuis
  • Patent number: 5830438
    Abstract: Cosmetic composition for hair-care foam containing, in a cosmetically-acceptable vehicle, a mixture (i) of at least one cationic polymer chosen from the cationic celluloses, cellulose ethers containing quaternary ammonium groups, quaternized or non-quaternized vinylpyrrolidone/ dialkylaminoalkyl acrylate or methacrylate copolymers, and quaternized or non-quaternized vinyl pyrrolidone/dialkylaminoalkyl acrylamide or methacrylamide copolymers; and (ii) of at least one amphoteric polymer chosen from polymers deriving from the copolymerization of an alkylvinylether and maleic anhydride, an N-vinyl lactam and maleic anhydride, and an alkylvinylether, maleic anhydride and an N-vinyl lactam, said polymers being modified by an N,N-dialkylaminoalkylamine or an N,N-dialkylaminoalkanol. This composition possesses good foaming properties and leads to the formation of a foam having excellent cosmetic properties.
    Type: Grant
    Filed: February 21, 1997
    Date of Patent: November 3, 1998
    Assignee: L'Oreal
    Inventor: Christine Dupuis
  • Patent number: 5753215
    Abstract: Cosmetic composition for topical or hair application.This composition contains, in a suitable cosmetic vehicle, a pseudo-latex consisting of particles of a film-forming radical polymer containing carboxylic acid functions, neutralized to a degree of neutralization between 10 and 80% using a polyfunctional neutralizing agent consisting either of a diamine or of the combination of a polyvalent metal salt and an inorganic or organic base, the average diameter of the said particles being between 10 and 450 nm.The composition preferably takes the form of a shampoo, a conditioner, a styling or treating lotion or gel or a hair shaping product, or the form of a make-up product such as a mascara or a nail varnish.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: May 19, 1998
    Assignee: L'Oreal
    Inventors: Nathalie Mougin, Jean Mondet, Monique Guelton, Bertrand Piot, Christine Dupuis, Daniele Cauwet
  • Patent number: 5709850
    Abstract: An aqueous cosmetic composition for fixing hair includes an aqueous dispersion of: a) particles of a film-forming polymer containing carboxylic acid functions neutralized to a degree of neutralization of between 10 and 80% using a non-volatile monobasic agent, the particles having an average diameter of between 10 and 300 nm, and b) at least one plasticizing agent. The composition may be utilized in an aerosol lacquer, a fixing or setting lotion or a styling mousse.
    Type: Grant
    Filed: May 29, 1996
    Date of Patent: January 20, 1998
    Assignee: L'Oreal
    Inventors: Jean Mondet, Jean-Michel Sturla, Bertrand Lion, Christine Dupuis, Colette Cazeneuve
  • Patent number: 5679328
    Abstract: A thickening mixture containing, in an aqueous medium, (a) a component (A) consisting of at least one guar gum or non-ionic cellulose having no hydrophobic group, with a viscosity in solution of over 15 cps at 15 wt % in water, as measured by DRAGE module 2 at 25.degree. C.; (b) a component (B) consisting of at least one cross-linked polymer selected from (i) acrylamide and ammonium acrylate copolymers; (ii) acrylamide and partially or totally neutralized 2-acrylamido 2-methylpropane sulphonic acid copolymers; (iii) acrylamide and methacryloyl oxyethyl trimethylammonium chloride copolymers; and (iv) methacryloyl oxyethyl trimethylammonium chloride homopolymers; wherein the weight ratio of crosslinked polymer active material to guar gum or cellulose is 0.2-10. A cosmetic or dermatological hair- or skin-care composition containing said mixture is also provided.
    Type: Grant
    Filed: August 22, 1994
    Date of Patent: October 21, 1997
    Assignee: L'Oreal
    Inventor: Christine Dupuis
  • Patent number: 5679329
    Abstract: A cosmetic hair-perming composition with a cosmetically acceptable medium containing at least one milk protein and/or milk protein hydrolysate and at least one keratin hydrolysate having a molecular weight of 100-200,000.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: October 21, 1997
    Assignee: L'Oreal
    Inventors: Christine Dupuis, Claude Dubief
  • Patent number: 5660820
    Abstract: An aqueous cosmetic composition for fixing hair is an aqueous particulate dispersion. The dispersion includes particles of a film-forming polymer containing carboxylic acid functions neutralized to a degree of neutralization from between 10 and 80 percent using a non-volatile monobasic agent. The particles have an average diameter of between 10 and 300 nm. The aqueous dispersion also includes at least one plasticizing agent. The composition may be used as an aerosol lacquer, a fixing or setting lotion or a styling mousse.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: August 26, 1997
    Assignee: L'Oreal
    Inventors: Jean Mondet, Jean-Michel Sturla, Bertrand Lion, Christine Dupuis, Colette Cazeneuve
  • Patent number: 5620684
    Abstract: The invention relates to improving the fixing power of cosmetic compositions intended for maintaining hairstyle and containing an anionic polymer.It relates to the use of a polysiloxane/polyoxyalkyene linear block copolymer as an agent for enhancing the fixing power of a composition for maintaining hairstyle containing an anionic polymer.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: April 15, 1997
    Assignee: L'Oreal
    Inventor: Christine Dupuis