Patents by Inventor Alain Genet

Alain Genet 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).

  • N-alkylamino secondary para-phenylenediamine, composition for dyeing keratin fibers comprising such a para-phenylenediamine, processes using this composition and uses thereof
    Patent number: 7338536
    Abstract: The present disclosure relates to novel N-alkylamino secondary para-phenylenediamines; a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one such N-alkylamino secondary para-phenylenediamine; a process for dyeing keratin fibers comprising applying this composition; and the uses of this composition in the form of a dyeing “kit”.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: March 4, 2008
    Assignee: L'Oreal S. A.
    Inventors: Stéphane Sabelle, Alain Genet
  • Composition for dyeing keratin fibres, comprising a cationic para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring
    Patent number: 7186277
    Abstract: In one embodiment, the disclosure relates to a composition for dyeing keratin fibres, for example, human keratin fibres such as the hair, comprising at least one para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring, the nitrogen in position 4 of which is a quaternary ammonium. The present disclosure may make it possible, for example, to obtain at least one of chromatic, strong, relatively unselective, fast coloration of keratin fibres.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: March 6, 2007
    Assignee: L'Oreal SA
    Inventors: Alain Genet, Stéphane Sabelle
  • Para-phenylenediamine derivatives comprising a cyclic diaza group substituted with a cationic radical, and use of these derivatives for dyeing keratin fibers
    Patent number: 7090703
    Abstract: The disclosure relates to novel para-phenylenediamine derivatives containing a cyclic diaza group, substituted with a cationic radical, as well as to the dye compositions comprising them, and to the method of dyeing keratin fibers using these compositions. The present invention may make it possible to obtain a chromatic, strong, relatively unselective and fast coloration on keratin fibers.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: August 15, 2006
    Assignee: L'Oreal
    Inventors: Stéphane Sabelle, Alain Genet, Madeleine Leduc
  • PARA-PHENYLENEDIAMINE DERIVATIVES COMPRISING A CYCLIC DIAZA GROUP SUBSTITUTED WITH A CATIONIC RADICAL, AND USE OF THESE DERIVATIVES FOR DYEING KERATIN FIBERS
    Publication number: 20060123565
    Abstract: The disclosure relates to novel para-phenylenediamine derivatives containing a cyclic diaza group, substituted with a cationic radical, as well as to the dye compositions comprising them, and to the method of dyeing keratin fibers using these compositions. Tthe present invention may make it possible to obtain a chromatic, strong, relatively unselective and fast coloration on keratin fibers.
    Type: Application
    Filed: March 24, 2004
    Publication date: June 15, 2006
    Inventors: Stephane Sabelle, Alain Genet, Madeleine Leduc
  • Ortho-and/or meta-substituted N-alkylamino secondary para-phenylenediamine, composition for dyeing keratin fibers containing such a para-phenylenediamine, processes using this composition and uses thereof
    Publication number: 20060026773
    Abstract: Novel ortho and/or meta-substituted N-alkylamino secondary para-phenylenediamine compounds, a composition for dyeing keratin fibers, for example, human keratin fibers, such as hair, comprising, in a medium that is suitable for dyeing, at least one ortho- and/or meta-substituted N-alkylamino secondary para-phenylenediamine, a process for dyeing keratin fibers comprising applying the composition, uses of the composition, and a dyeing “kit” comprising the composition.
    Type: Application
    Filed: February 28, 2005
    Publication date: February 9, 2006
    Inventors: Stephane Sabelle, Alain Genet
  • N-alkylamino secondary para-phenylenediamine, composition for dyeing keratin fibers comprising such a para-phenylenediamine, processes using this composition and uses thereof
    Publication number: 20060026772
    Abstract: The present disclosure relates to novel N-alkylamino secondary para-phenylenediamines; a composition for dyeing keratin fibers, for example, human keratin fibers such as the hair, comprising, in a medium suitable for dyeing, at least one such N-alkylamino secondary para-phenylenediamine; a process for dyeing keratin fibers comprising applying this composition; and the uses of this composition in the form of a dyeing “kit”.
    Type: Application
    Filed: February 28, 2005
    Publication date: February 9, 2006
    Inventors: Stephane Sabelle, Alain Genet
  • Cationic aminodianthraquinones, use, dyeing compositions containing them and methods of dyeing
    Patent number: 6986795
    Abstract: The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.
    Type: Grant
    Filed: April 7, 2003
    Date of Patent: January 17, 2006
    Assignee: L'Oreal
    Inventors: Alain Genet, Alain Lagrange
  • Para-phenylenediamine derivatives comprising a cyclic diaza group substituted with a cationic radical, and use of these derivatives for dyeing keratin fibers
    Publication number: 20050066451
    Abstract: The disclosure relates to novel para-phenylenediamine derivatives containing a cyclic diaza group, substituted with a cationic radical, as well as to the dye compositions comprising them, and to the method of dyeing keratin fibers using these compositions. Tthe present invention may make it possible to obtain a chromatic, strong, relatively unselective and fast coloration on keratin fibers.
    Type: Application
    Filed: March 24, 2004
    Publication date: March 31, 2005
    Inventors: Stephane Sabelle, Alain Genet, Madeleine Leduc
  • Composition for dyeing keratin fibres, comprising a cationic para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring
    Publication number: 20040237216
    Abstract: In one embodiment, the disclosure relates to a composition for dyeing keratin fibres, for example, human keratin fibres such as the hair, comprising at least one para-phenylenediamine derivative substituted with a diazacyclohexane or diazacycloheptane ring, the nitrogen in position 4 of which is a quaternary ammonium. The present disclosure may make it possible, for example, to obtain at least one of chromatic, strong, relatively unselective, fast coloration of keratin fibres.
    Type: Application
    Filed: March 24, 2004
    Publication date: December 2, 2004
    Inventors: Alain Genet, Stephane Sabelle
  • Cationic aminodianthraquinones, use, dyeing compositions containing them and methods of dyeing
    Publication number: 20040074016
    Abstract: The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.
    Type: Application
    Filed: April 7, 2003
    Publication date: April 22, 2004
    Applicant: L'Oreal S.A
    Inventors: Alain Genet, Alain Lagrange
  • Cationic aminoanthraquinones, their use for dyeing keratinous fibers, dyeing compositions containing them and methods of dyeing
    Patent number: 6645259
    Abstract: Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: November 11, 2003
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods
    Patent number: 6638321
    Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z, Z being chosen from aliphatic chains containing at least one quaternized unsaturated ring, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing them and to oxidation dyeing processes using them.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: October 28, 2003
    Assignee: L'Oreal
    Inventors: Alain Genet, Alain Lagrange
  • Cationic oxidation bases, their use for oxidation dyeing of keratin fibres, dyeing compositions and dyeing methods
    Patent number: 6565614
    Abstract: The invention relates to novel monobenzene oxidation bases containing at least one cationic group Z bearing at least one quaternary ammonium unit which may or may not be cyclized, to their use for the oxidation dyeing of keratin fibers, to dye compositions containing then and to oxidation dyeing processes using them.
    Type: Grant
    Filed: June 7, 1999
    Date of Patent: May 20, 2003
    Assignee: L'Oreal
    Inventors: Alain Genet, Alain LaGrange
  • Cationic aminodianthraquinones, use, dyeing compositions containing them and methods of dyeing
    Patent number: 6554872
    Abstract: The invention relates to cationic aminodianthraquinones containing at least one cationic group Z, Z being chosen from quaternized aliphatic chains, aliphatic chains containing at least one quaternized saturated ring and aliphatic chains containing at least one quaternized unsaturated ring, their use as direct dye in compositions for dyeing keratinous materials, in particular human keratinous fibers such as hair, the dyeing compositions containing them, as well as the dyeing methods using them.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: April 29, 2003
    Inventors: Alain Genet, Alain Lagrange
  • Cationic aminoanthraquinones, their use for dyeing keratinous fibers, dyeing compositions containing them and methods of dyeing
    Publication number: 20030073853
    Abstract: Cationic aminoanthraquinones in which at least one cationic charge is delocalized on a 5-membered unsaturated polynitrogen-containing heterocycle, their use as a direct dye in dyeing compositions for keratinous materials, in particular for human keratinous fibers such as hair, dyeing compositions containing them, and dyeing methods using these compositions.
    Type: Application
    Filed: July 9, 2002
    Publication date: April 17, 2003
    Applicant: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Cationic methylenedioxy benzenes, their use for oxidation dyeing of keratin fibers, dyeing compositions and methods
    Patent number: 6497730
    Abstract: The invention relates to novel methylene-dioxybenzenes 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 their use as oxidation dye precursors for the oxidation dyeing of keratin fibres, to dye compositions containing them and to oxidation dyeing processes using them.
    Type: Grant
    Filed: November 21, 2000
    Date of Patent: December 24, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Use of cationic monobenzene nitroanilines in the dyeing of keratinous fibers, dyeing compositions and dyeing processes
    Patent number: 6478827
    Abstract: The subject of the invention is dyeing compositions containing cationic monobenzene nitroanilines having at least one cationic charge delocalized over an unsaturated 5-membered polynitrogenous heterocycle, their use as direct dye compositions for the dyeing of keratinous substances, in particular human keratinous fibers, such as the hair, and the direct dyeing processes employing these compositions.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: November 12, 2002
    Assignee: L'Oréal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Use of cationic dibenzenic nitro compounds for dyeing keratin fibers, dye compositions and dyeing processes
    Patent number: 6468316
    Abstract: The subject of the invention is dyeing compositions containing dibenzenic nitro 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, their use as direct dyes in dyeing applications for keratin substances, in particular human keratin fibers and especially the hair, and to the direct dyeing process employing these compositions.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: October 22, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Cationic monobenzene nitrophenylenediamines, their use in dyeing keratinous fibers, dyeing compositions comprising them and dyeing processes
    Patent number: 6464731
    Abstract: The subject of the invention is cationic monobenzene nitrophenylenediamines having at least one cationic charge delocalized over an unsaturated 5-membered polynitrogenous heterocycle, to their use as direct dye in dyeing compositions for keratinous substances, in particular for human keratinous fibers, such as the hair, to the dyeing compositions comprising them and to the dyeing processes employing these compositions.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: October 15, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange
  • Cationic coupling agents, their use for oxidation dyeing of keratinous fibers, dyeing compositions and dyeing methods
    Patent number: 6461389
    Abstract: The invention concerns novel monobenzene coupling agents comprising at least a cationic group Z, Z being selected among the aliphatic chains containing at least a quaternized unsaturated cycle, their use for oxidation dyeing of keratinous fibres dyeing compositions containing them and dyeing methods using same.
    Type: Grant
    Filed: November 13, 2000
    Date of Patent: October 8, 2002
    Assignee: L'Oreal S.A.
    Inventors: Alain Genet, Alain Lagrange