Patents by Inventor Christine Rondeau

Christine Rondeau 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: 7972387
    Abstract: The present disclosure relates to a composition for dyeing keratin fibers such as the hair, which comprises, in a suitable medium, at least one oxidation base, optionally at least one coupler and at least one polyoxyethylenated sorbitan ester with a number of moles of ethylene oxide of less than or equal to 10. Such a composition makes it possible to conserve a strong coloration, while at the same time limiting the discomfort that may be experienced on the scalp at the time of application of the dye composition or after this application.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: July 5, 2011
    Assignee: L'Oreal S.A.
    Inventors: Marie-Pascale Audousset, Christine Rondeau
  • Patent number: 7811336
    Abstract: The present disclosure relates to compositions for dyeing keratinous fibers, for example human keratinous fibers, such as hair, wherein the compositions comprise, in a medium appropriate for dyeing, at least one oxidation base, at least one coupler, at least one aminated silicone, and monoethanolamine, wherein the at least one aminated silicone has a weight-average molecular weight (Mw) of greater than or equal to 75,000 g/mol, and monoethanolamine is present in an amount ranging from 1 to 10% by weight relative to the total weight of the composition. The present disclosure also relates to methods of dyeing keratinous fibers using said compositions and devices comprising the compositions.
    Type: Grant
    Filed: May 7, 2008
    Date of Patent: October 12, 2010
    Assignee: L'Oreal S.A.
    Inventors: Marie-Pascale Audousset, Christine Rondeau
  • Patent number: 7771491
    Abstract: Compositions for the oxidation dyeing of keratin fibers, for example of human keratin fibers such as the hair, containing, in a medium suitable for dyeing: a) at least one oxidation dye, b) at least one associative polymer chosen from non-ioninc, anionic, and amphoteric polymers, c) at least one nonionic cellulose-based compound not comprising a C8-C30 fatty chain, and d) at least one cationic polymer with a charge density of greater than 1 meq/g and not comprising a C8-C30 fatty chain.
    Type: Grant
    Filed: December 21, 2007
    Date of Patent: August 10, 2010
    Assignee: L'Oreal S.A.
    Inventors: Frédéric Simonet, Luc Nicolas-Morgantini, François Cottard, Christine Rondeau
  • Patent number: 7771492
    Abstract: Compositions for oxidation dyeing of keratin fibers, in particular human keratin fibers such as hair, comprising, in a dyeing medium, at least one oxidation dye, at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated and polyglycerolated fatty alcohols. Processes comprising such oxidation dyeing compositions.
    Type: Grant
    Filed: February 23, 2009
    Date of Patent: August 10, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7722682
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye; b) at least one fatty alcohol; c) at least one associative polymer; and d) at least one compound chosen from fatty acid esters and metal oxides.
    Type: Grant
    Filed: March 7, 2008
    Date of Patent: May 25, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7695526
    Abstract: A composition for the oxidation dyeing of keratin fibers, for example, human keratin fibers, such as hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye, b) at least one fatty alcohol, c) at least one associative polymer, and d) at least one C14-C30 alkyl sulphate; as well as the process for using this composition and multicompartment kits comprising the composition.
    Type: Grant
    Filed: October 11, 2007
    Date of Patent: April 13, 2010
    Assignee: L'Oreal S.A.
    Inventors: Luc Nicolas-Morgantini, Frédéric Simonet, Christine Rondeau, François Cottard
  • Patent number: 7691155
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers, such as the hair, containing, in a medium that is suitable for dyeing, a) at least one oxidation dye, b) at least one associative polymer, and c) at least one aminosilicone, wherein the at least one aminosilicone/at least one associative polymer weight ratio is greater than or equal to 1.
    Type: Grant
    Filed: July 7, 2008
    Date of Patent: April 6, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Patent number: 7645303
    Abstract: The subject of the invention is a composition for the oxidation dyeing of human keratinous fibers and in particular hair comprising, in a cosmetically acceptable medium based on water and at a basic pH, at least one oxidation dye and an alkalinizing agent consisting of sodium metasilicate and aqueous ammonia, and the dyeing method using this composition.
    Type: Grant
    Filed: April 11, 2003
    Date of Patent: January 12, 2010
    Assignee: L'Oreal S.A.
    Inventors: François Cottard, Christine Rondeau
  • Publication number: 20090260164
    Abstract: Compositions for oxidation dyeing of keratin fibers, in particular human keratin fibers such as hair, comprising, in a dyeing medium, at least one oxidation dye, at least one thickening polymer comprising at least one fatty chain and at least one fatty alcohol chosen from monoglycerolated and polyglycerolated fatty alcohols. Processes comprising such oxidation dyeing compositions.
    Type: Application
    Filed: February 23, 2009
    Publication date: October 22, 2009
    Inventors: Francois Cottard, Christine Rondeau
  • Patent number: 7507260
    Abstract: The invention relates to a composition for dyeing keratinous fibers, in particular human keratinous fibers such as hair, comprising, in an appropriate dyeing medium, at least one cationic direct dye of a given formula, and which is characterized in that it contains, in addition, at least one silicone chosen from the aminated silicones, the polyoxyalkylenated silicones, the silicone gums and resins. The invention also relates to the dyeing methods and devices using it.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: March 24, 2009
    Assignee: L'Oreal S.A.
    Inventors: Christine Rondeau, Gérard Lang, Jean Cotteret
  • Patent number: 7485157
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, this composition having, in a medium suitable for dyeing, at least one cationic direct dye of given formula, and containing at least one specific cationic or amphoteric substantive polymer. The invention also relates to the dyeing processes and devices using it.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: February 3, 2009
    Assignee: Loreal
    Inventor: Christine Rondeau
  • Patent number: 7458993
    Abstract: A composition useful for the oxidation dyeing of human keratinous fibers and in particular hair containing, in a cosmetically acceptable medium based on water and at a basic pH, at least one oxidation dye and an alkalinizing agent containing at least one alkali metal, alkaline-earth metal or ammonium metasilicate and at least one alkanolamine, and the dyeing method using this composition.
    Type: Grant
    Filed: June 26, 2003
    Date of Patent: December 2, 2008
    Assignee: L'Oreal
    Inventors: Francois Cottard, Christine Rondeau
  • Publication number: 20080282482
    Abstract: The present disclosure relates to compositions for dyeing keratinous fibers, for example human keratinous fibers, such as hair, wherein the compositions comprise, in a medium appropriate for dyeing, at least one oxidation base, at least one coupler, at least one aminated silicone, and monoethanolamine, wherein the at least one aminated silicone has a weight-average molecular weight (Mw) of greater than or equal to 75,000 g/mol, and monoethanolamine is present in an amount ranging from 1 to 10% by weight relative to the total weight of the composition. The present disclosure also relates to methods of dyeing keratinous fibers using said compositions and devices comprising the compositions.
    Type: Application
    Filed: May 7, 2008
    Publication date: November 20, 2008
    Inventors: Marie-Pascale AUDOUSSET, Christine RONDEAU
  • Publication number: 20080276385
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers, such as the hair, containing, in a medium that is suitable for dyeing, a) at least one oxidation dye, b) at least one associative polymer, and c) at least one aminosilicone, wherein the at least one aminosilicone/at least one associative polymer weight ratio is greater than or equal to 1.
    Type: Application
    Filed: July 7, 2008
    Publication date: November 13, 2008
    Inventors: Francois COTTARD, Christine Rondeau
  • Patent number: 7442215
    Abstract: Disclosed herein is a process for dyeing keratin fibers such as the hair, comprising, in order, applying to the scalp a composition comprising at least one polyoxyethylenated sorbitan ester having less than or equal to 10 moles of ethylene oxide, and subsequently applying to the keratin fibers a dye composition comprising at least one dye precursor in a suitable medium. Such a process may make it possible to conserve strong a coloration while at the same time limiting the discomfort that may be experienced on the scalp at the time of application of the dye composition or after this application.
    Type: Grant
    Filed: August 11, 2006
    Date of Patent: October 28, 2008
    Assignee: L'Oreal S.A.
    Inventors: Marie-Pascale Audousset, Christine Rondeau
  • Patent number: 7431740
    Abstract: The invention concerns a composition for dyeing keratinous fibers, in particular human keratinous fibers and more particularly hair, comprising, in a medium suitable for dyeing, at least an oxidation dye and at least an associative polymer, characterized in that it further comprises at least a pearling agent selected among coated or uncoated titanium oxides and mica titanium. The invention also concerns dyeing methods and devices using said composition.
    Type: Grant
    Filed: November 22, 2001
    Date of Patent: October 7, 2008
    Assignee: L'Oreal, S.A.
    Inventors: François Cottard, Christine Rondeau
  • Publication number: 20080216252
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example human keratin fibers, such as the hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye; b) at least one fatty alcohol; c) at least one associative polymer; and d) at least one compound chosen from fatty acid esters and metal oxides.
    Type: Application
    Filed: March 7, 2008
    Publication date: September 11, 2008
    Inventors: Francois Cottard, Christine Rondeau
  • Publication number: 20080216254
    Abstract: Disclosed herein is a process for dyeing keratin fibers such as the hair, comprising, in order, applying to the scalp a composition comprising at least one polyoxyethylenated sorbitan ester having less than or equal to 10 moles of ethylene oxide, and subsequently applying to the keratin fibers a dye composition comprising at least one dye precursor in a suitable medium. Such a process may make it possible to conserve strong a coloration while at the same time limiting the discomfort that may be experienced on the scalp at the time of application of the dye composition or after this application.
    Type: Application
    Filed: August 11, 2006
    Publication date: September 11, 2008
    Inventors: Marie-Pascale Audousset, Christine Rondeau
  • Patent number: 7410505
    Abstract: Disclosed herein is a composition for the oxidation dyeing of keratin fibers, for example of human keratin fibers, such as the hair, containing, in a medium that is suitable for dyeing, a) at least one oxidation dye, b) at least one associative polymer, and c) at least one aminosilicone, wherein the at least one aminosilicone/at least one associative polymer weight ratio is greater than or equal to 1.
    Type: Grant
    Filed: December 8, 2003
    Date of Patent: August 12, 2008
    Assignee: L'Oreal, S.A.
    Inventors: François Cottard, Christine Rondeau
  • Publication number: 20080168609
    Abstract: A composition for the oxidation dyeing of keratin fibers, for example, human keratin fibers, such as hair, comprising, in a medium suitable for dyeing, a) at least one oxidation dye, b) at least one fatty alcohol, c) at least one associative polymer, and d) at least one C14-C30 alkyl sulphate; as well as the process for using this composition and multicompartment kits comprising the composition.
    Type: Application
    Filed: October 11, 2007
    Publication date: July 17, 2008
    Inventors: Luc Nicolas-Morgantini, Frederic Simonet, Christine Rondeau, Francois Cottard