Patents by Inventor Leïla Hercouet

Leïla Hercouet 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).

  • Publication number: 20100175706
    Abstract: Provided is a process for dyeing or lightening human keratin fibers, comprising applying to the keratin fibers: a) at least one anhydrous composition (A) comprising at least one fatty substance and at least one surfactant; b) at least one composition (B) comprising monoethanolamine and at least one basic amino acid; and c) at least one composition (C) comprising at least one oxidizing agent; provided that when the process is a dyeing process, the at least one anhydrous composition (A) is free from organic amines and the at least one composition (B) comprises at least one oxidation dye and/or at least one direct dye fiber Also provided is a multi-compartment device comprising: a first compartment comprising at least one an anhydrous composition (A) comprising at least one fatty substance and at least one surfactant; a second compartment comprising at least composition (B) comprising monoethanolamine and at least one basic amino acid; and a third compartment comprising at least one composition (C) comprising at
    Type: Application
    Filed: December 18, 2009
    Publication date: July 15, 2010
    Inventors: Leïla HERCOUET, Alain Lagrange, Marie Giafferi
  • Publication number: 20100178264
    Abstract: The present disclosure relates to a process for lightening or dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising applying to the keratin fibers: (a) an anhydrous cosmetic composition (A) comprising at least one fatty substance and at least one surfactant; (b) a cosmetic composition (B) comprising at least one ammonium salt; and (c) a composition (C) comprising at least one oxidizing agent; when the process is a process for dyeing keratin fibers, said cosmetic composition (B) further comprises at least one oxidation dye and/or at least one direct dye. The present disclosure also relates to a multi-compartment device comprising the disclosed compositions for lightening or dyeing keratin fibers.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 15, 2010
    Inventors: Leïla HERCOUET, Alain Lagrange
  • Publication number: 20100178263
    Abstract: The present disclosure relates to a process for lightening keratin fibers, comprising applying to the keratin fibers: an anhydrous composition (A) comprising at least one fatty substance in an amount of at least 20% by weight relative to the total weight of the composition, at least one surfactant, and at least one alkaline agent chosen from organic amines, organic amine salts, and ammonium salts; and a composition (B) comprising at least one oxidizing agent. The present disclosure also relates to a multi-compartment device comprising: a first compartment comprising the anhydrous composition (A); and a second compartment comprising the composition (B).
    Type: Application
    Filed: December 18, 2009
    Publication date: July 15, 2010
    Inventors: Frédéric SIMONET, Leïla Hercouet
  • Publication number: 20100162492
    Abstract: Provided is a ready-to-use composition for the oxidation dyeing of keratin fibers, and for example of human keratin fibers such as the hair, comprising: A) at least one fatty substance present in an amount of greater than or equal to 25% by weight relative to the total weight of the ready-to-use composition, at least one of the at least one fatty substance being chosen from fatty amides and fatty acid esters, B) at least one dye precursor, C) at least one oxidizing agent and optionally D) at least one alkaline agent.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 1, 2010
    Inventors: Leïla HERCOUET, Frédéric SIMONET, Franck CLEMENT, Marie-Pascale AUDOUSSET, Isabelle SCHLOSSER
  • Publication number: 20100166688
    Abstract: The present disclosure therefore relates to a method for lightening keratin materials, in which the following are used: (a) a direct emulsion (A) comprising at least one fatty substance in an amount greater than 25% by weight, such as greater than 50%, at least one surfactant; at least one alkaline agent and an amount of water greater than 5% by weight, of the total weight of the emulsion, (b) a composition (B) comprising at least one oxidizing agent. It also relates to a multi-compartment device comprising, in one compartment, an emulsion (A), in another compartment a composition (B) comprising at least one oxidizing agent.
    Type: Application
    Filed: December 18, 2009
    Publication date: July 1, 2010
    Inventors: Leïla HERCOUET, Anne-Laure Bernard, Dominique Bordeaux
  • Publication number: 20100154136
    Abstract: The present disclosure relates to a composition for dyeing or lightening human keratin fibers, comprising: a cosmetically acceptable medium; at least 25% by weight of at least one fatty substance; at least one cationic polymer; at least one dye chosen from oxidation dyes and direct dyes; at least one basifying agent; and at least one oxidizing agent. The disclosure also relates to a dyeing or lightening process using it. Another subject of the disclosure is multi-compartment devices or kits for obtaining, after mixing together the compositions of the compartments, just before its application, a composition according to the disclosure.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Inventors: Leïla Hercouet, Frédéric Simonet, Marie-Pascale Audousset, Philippe Rapold
  • Publication number: 20100154140
    Abstract: Provided is a ready-to-use composition for the oxidation dyeing of keratin fibers, and for example of human keratin fibers such as the hair, comprising, A) at least one fatty substance other than fatty acids present in the ready-to-use composition in an amount of greater than or equal to 25% by weight relative to the total weight of the ready-to-use composition, B) at least one polymeric thickener, C) at least one dye precursor, D) at least one oxidizing agent and E) at least one alkaline agent wherein at least one of the at least one alkaline agent is an organic amine. Also provided is a method of dyeing keratin fibers, comprising applying the ready-to-use composition to the keratin fibers for a sufficient time to develop the desired coloration.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Inventors: Frédéric SIMONET, Luc NICOLAS-MORGANTINI, Irène FONSECA, Leïla HERCOUET, Marie-Pascale AUDOUSSET, Jean-Marc ASCIONE, Florence LAURENT
  • Publication number: 20100154141
    Abstract: Provided herein is a process for dyeing keratin materials, comprising: applying to said keratin materials a dyeing composition, comprising, a direct emulsion (A) comprising at least one fatty substance other than fatty acids present in an amount greater than 25% by weight; at least one surfactant; at least one alkaline agent; at least one colored or coloring entity chosen from direct dyes and oxidation dyes; and water in an amount greater than 5% by weight relative to the total weight of the direct emulsion (A); and a composition (B) comprising at least one oxidizing agent.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Inventors: Leïla HERCOUET, Anne-Laure Bernard, Dominique Bordeaux
  • Publication number: 20100154137
    Abstract: The present disclosure relates to a method of coloring or lightening of human keratin fibers in the presence of an oxidizing agent, comprising the application of an anhydrous cosmetic composition comprising at least one fat, and at least one surfactant, an oxidizing composition, a composition comprising at least one inorganic base. It also relates to a kit with several compartments, in which a first compartment comprises the aforementioned anhydrous cosmetic composition, a second compartment comprises an oxidizing composition and a third compartment comprises a composition comprising at least one inorganic base and optionally at least one dye.
    Type: Application
    Filed: December 18, 2009
    Publication date: June 24, 2010
    Inventors: Leïla HERCOUET, Alain Lagrange
  • Patent number: 7582121
    Abstract: Disclose herein is a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising at least one oxidation base chosen from diamino-N,N-dihydropyrazolones and addition salts thereof, at least one coupler, and at least one heterocyclic direct dye. Also disclosed herein is a method for dyeing keratin fibers comprising applying a composition of the present disclosure to the keratin fibers. The compositions and methods of the present disclosure may make it possible to obtain fast coloration of keratin fibers that is resistant to light and/or to washing.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: September 1, 2009
    Assignee: L'Oreal S.A.
    Inventor: Leïla Hercouet
  • Publication number: 20090191142
    Abstract: A process for dyeing human keratin fibers in the presence of at least one oxidizing agent, comprising applying to the fibers at least one anhydrous composition (A) comprising at least one fatty substance and at least one surfactant, at least one composition (B) comprising at least one oxidizing agent, and at least one composition (C) comprising at least one dye chosen from direct and oxidation dyes, and at least one organic amine having a pKb at 25° C. of less than 12. The present disclosure also relates to a multi-compartment device containing, in separate compartments, the compositions (A), (B), and (C); and a method of making a ready-to-use composition. The present disclosure also relates to an anhydrous composition comprising at least one fatty substance, at least one surfactant, at least one dye, and at least one organic amine.
    Type: Application
    Filed: December 19, 2008
    Publication date: July 30, 2009
    Inventors: Leila HERCOUET, Marie GIAFFERI, Alain LAGRANGE
  • Publication number: 20090162309
    Abstract: A novel process for lightening human keratin fibers comprising applying to the fibers at least one anhydrous composition (A) comprising at least one fatty substance and at least one surfactant, at least one composition (B) comprising at least one organic amine having a pKb less than 12, and at least one composition (C) comprising at least one oxidizing agent and leaving the compositions on the fibers for a period of time sufficient to lighten the fibers, and a multi-compartment device or kit, wherein at least one first compartment comprises the at least one anhydrous composition (A), at least one second compartment comprises the at least one composition (B), and at least one third compartment comprises the at least one composition (C).
    Type: Application
    Filed: December 19, 2008
    Publication date: June 25, 2009
    Inventors: Leila HERCOUET, Alain Lagrange
  • Publication number: 20090158533
    Abstract: A novel process for dyeing human keratin fibers in the presence of an oxidizing agent, comprising applying to the fibers at least one anhydrous composition (A) comprising at least one fatty substance, at least one organic amine having a pKb less than 12 at 25° C., and at least one surfactant, at least one composition (B) comprising at least one oxidizing agent, and at least one composition (C) comprising at least one dye chosen from oxidation dyes and direct dyes; a multi-compartment device or kit, wherein at least one first compartment comprises the at least one anhydrous cosmetic composition (A), at least one second compartment comprises at least one composition (B), and at least one third compartment comprises at least one composition (C); and a ready-to-use composition for dyeing human keratin fibers, comprising at least 35% by weight of at least one fatty substance, at least one organic amine having a pKb less than 12 at 25° C.
    Type: Application
    Filed: December 19, 2008
    Publication date: June 25, 2009
    Inventor: Leila HERCOUET
  • Patent number: 7485155
    Abstract: Disclosed herein is a process for dyeing keratinous fibers comprising applying to the keratinous fibers at least one oxidation dyeing composition which comprises at least one oxidation base and at least one aromatic coupler substituted in the meta position by two amino groups, at least one of the amino group being primary, and washing the fibers, thus colored, with at least one detergent composition comprising at least one non-ionic surfactant chosen from alkylpolyglycoside surfactants and polyglycerolated surfactants.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: February 3, 2009
    Assignee: L'Oreal S.A.
    Inventors: Boris Lalleman, Leïla Hercouet
  • Patent number: 7481847
    Abstract: The present disclosure relates to a composition for dyeing human keratin fibers, comprising at least one cationic direct dye of formula (I), described herein, and at least one cosmetic agent chosen from thickening agents and surfactants. Also disclosed herein is a dyeing process comprising applying a composition of the present disclosure to keratin fibers, in the presence or absence of an oxidizing agent. Further disclosed herein is a multi-compartment device comprising at least one first compartment containing a dye composition of the present disclosure and at least one second compartment containing at least one oxidizing composition.
    Type: Grant
    Filed: March 27, 2007
    Date of Patent: January 27, 2009
    Assignee: L'Oreal S.A.
    Inventors: Alain Lagrange, Leïla Hercouet
  • Patent number: 7429275
    Abstract: Disclosed herein is the use of at least one compound chosen from porphyrin compounds and phthalocyanin compounds for dyeing human keratin materials. Further, disclosed herein is a composition comprising, in a suitable dyeing medium, at least one compound from porphyrin compounds and phthalocyanin compounds as at least one direct dye, and also to a ready-to-use composition comprising this at least one direct dye. Furthermore, disclosed herein is a dyeing process using the composition or the ready-to-use composition, and also to a device for implementing this process. Finally, disclosed herein are phthalocyanin compounds.
    Type: Grant
    Filed: December 23, 2005
    Date of Patent: September 30, 2008
    Assignee: L'Oreal S.A.
    Inventors: Leila Hercouet, Alain Lagrange
  • Patent number: 7410506
    Abstract: 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: Grant
    Filed: October 14, 2005
    Date of Patent: August 12, 2008
    Assignee: L'Oreal S.A.
    Inventors: Hervé David, Andrew Greaves, Leïla Hercouet, Alain Lagrange
  • Patent number: 7374581
    Abstract: 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: Grant
    Filed: May 1, 2006
    Date of Patent: May 20, 2008
    Assignee: L'Oreal, S.A.
    Inventors: Alain Lagrange, Leïla Hercouet
  • Publication number: 20080019934
    Abstract: The present disclosure relates to a water-in-oil emulsion which comprises an aqueous phase comprising at least one surfactant; at least one nitrogenous alkaline agent of the aqueous ammonia or amine type and an oily phase comprising at least one cyanoacrylate monomer. The water-in-oil emulsion of the present disclosure can make it possible to reduce ammonia odors during use.
    Type: Application
    Filed: April 13, 2007
    Publication date: January 24, 2008
    Inventors: Henri Samain, Leila Hercouet, Geraldine Fack
  • Publication number: 20070251028
    Abstract: The present disclosure relates to a composition for dyeing keratinous substances, including keratinous fibers such as the hair, comprising at least one electrophilic monomer, at least one hydrophilic dye and at least one liquid organic solvent. The present disclosure also relates to a process for dyeing keratinous substances and to the use of the composition in dyeing keratinous substances. The composition of the present disclosure improves the resistance of the coloring of keratinous substances to external assaults while exhibiting a broad range of hues and without denaturing the keratinous substances.
    Type: Application
    Filed: April 13, 2007
    Publication date: November 1, 2007
    Inventors: Henri Samain, Leila Hercouet