Patents by Inventor Gerard Lang

Gerard Lang 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: 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: 7300473
    Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising: —nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
    Type: Grant
    Filed: November 1, 2006
    Date of Patent: November 27, 2007
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Publication number: 20070261178
    Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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: Application
    Filed: October 6, 2006
    Publication date: November 15, 2007
    Inventors: Christine Rondeau, Gerard Lang, Jean Cotteret
  • Publication number: 20070039107
    Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain, —cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
    Type: Application
    Filed: November 1, 2006
    Publication date: February 22, 2007
    Inventors: Gerard Lang, Jean Cotteret
  • Patent number: 7175673
    Abstract: The invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, 3-methyl 4-amino phenol as oxidation base, and at least an enzyme such as laccase, as well as the dyeing method using said composition.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: February 13, 2007
    Assignee: L'Oreal
    Inventors: Gérard Lang, Jean Cotteret
  • Patent number: 7060112
    Abstract: The invention relates to a composition for oxidation dyeing of keratinous fibers, and in particular human keratinous fibers, such as hair, comprising, in a medium appropriate for dyeing, at least one oxidation base, 2-amino-4-N-(?-hydroxyethyl)aminoanisole as coupler, and at least an enzyme of the laccase type, as well as the dyeing method using this composition.
    Type: Grant
    Filed: April 19, 2004
    Date of Patent: June 13, 2006
    Assignee: L'Oreal
    Inventors: Gérard Lang, Jean Cotteret
  • Publication number: 20060117497
    Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
    Type: Application
    Filed: January 26, 2006
    Publication date: June 8, 2006
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20060070191
    Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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 nonionic surfactant chosen from the group consisting of alkyl polyglucosides, sugar or alkyl sugar fatty acid esters, fatty sugar amides and mixtures thereof. The invention also relates to the dyeing methods and devices using it.
    Type: Application
    Filed: May 4, 2005
    Publication date: April 6, 2006
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20060021155
    Abstract: The invention concerns a cosmetic composition for oxidation dyeing of keratinous fibres comprising in a support suitable for keratinous fibre dyeing: (a) at least an enzyme such as laccase; (b) at least a particular alkalising agent; (c) at least an oxidation colouring agent, as well as the dyeing methods using said composition.
    Type: Application
    Filed: November 19, 2004
    Publication date: February 2, 2006
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20060021156
    Abstract: The invention relates to ready-to-use compositions for oxidation dyeing of keratin fibers, for example, human keratin fibers such as hair, comprising, in a suitable dyeing medium, at least one first oxidation base chosen from para-phenylenediamines and their acid addition salts; at least one second oxidation base chosen from para-aminophenols and their acid addition salts; at least one coupler chosen from meta-aminophanols, meta-phenylenediamines, and meta-diphenols, and their acid addition salts; and at least one enzyme of the laccase type, and to methods using these compositions.
    Type: Application
    Filed: January 31, 2005
    Publication date: February 2, 2006
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20050193503
    Abstract: The invention concerns a ready-to-use oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in an a medium suitable for dyeing, at least one oxidation colouring agent, at least one cationic direct colouring agent and at least an enzyme such as laccase, as well as the dyeing method using said composition.
    Type: Application
    Filed: February 18, 2005
    Publication date: September 8, 2005
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20050144741
    Abstract: The invention relates to a composition for dyeing fibers such as the hair, comprising at least one cationic direct dye of given formula, and which also contains at least one thickening polymer chosen from the group comprising:—nonionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—anionic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain,—cationic amphiphilic polymers comprising at least one hydrophilic unit and at least one unit containing a fatty chain. The invention also relates to the dyeing processes and dyeing kits therefor.
    Type: Application
    Filed: June 17, 2004
    Publication date: July 7, 2005
    Inventors: Gerard Lang, Jean Cotteret
  • Patent number: 6899739
    Abstract: The invention relates to a dye composition for keratin fibers, in particular for human keratin fibers such as the hair, 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 the composition.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: May 31, 2005
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Patent number: 6893470
    Abstract: This invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least a heterocyclic oxidation colouring agent, and at least an enzyme such as laccase, as well as the dyeing method using said composition.
    Type: Grant
    Filed: December 22, 1998
    Date of Patent: May 17, 2005
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret
  • Patent number: 6890362
    Abstract: The present invention relates to compositions comprising at least one oxidation base and at least one coupler, which is useful for the oxidation dyeing of keratinous fibers. The present invention also relates to a process for the oxidation dyeing of keratinous fibres, such as hair.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: May 10, 2005
    Assignee: L'Oreal, S.A.
    Inventor: Gérard Lang
  • Publication number: 20050086748
    Abstract: The invention relates to a composition for dyeing keratinous fibres, in particular human keratinous fibres 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: Application
    Filed: May 7, 2004
    Publication date: April 28, 2005
    Inventors: Christine Rondeau, Gerard Lang, Jean Cotteret
  • Publication number: 20050066452
    Abstract: The invention concerns a ready-to-use composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a medium suitable for dyeing, 3-methyl 4-amino phenol as oxidation base, and at least an enzyme such as laccase, as well as the dyeing method using said composition.
    Type: Application
    Filed: October 27, 2004
    Publication date: March 31, 2005
    Inventors: Gerard Lang, Jean Cotteret
  • Publication number: 20040255401
    Abstract: The invention relates to a composition for oxidation dyeing of keratinous fibres, and in particular human keratinous fibres, such as hair, comprising, in a medium appropriate for dyeing, at least one oxidation base, 2-amino-4-N-(&bgr;-hydroxyethyl)aminoanisole as coupler, and at least an enzyme of the laccase type, as well as the dyeing method using this composition.
    Type: Application
    Filed: April 19, 2004
    Publication date: December 23, 2004
    Applicant: L'Oreal
    Inventors: Gerard Lang, Jean Cotteret
  • Patent number: 6797013
    Abstract: The invention relates to a composition for the oxidation dyeing of keratin fibres, and in particular human keratin fibres such as the hair, comprising, in a medium which is suitable for dyeing, at least one heterocyclic oxidation base and at least one 3-aminopyridine derivative as direct dye, as well as to the dyeing process using this composition.
    Type: Grant
    Filed: January 5, 2000
    Date of Patent: September 28, 2004
    Assignee: L'Oreal S.A.
    Inventors: Gérard Lang, Jean Cotteret, Mireille Maubru
  • Publication number: 20040088798
    Abstract: The invention concerns an oxidation dyeing composition for keratinous fibres, and in particular human keratinous fibres such as hair comprising, in a suitable dyeing medium, at least an oxidation base selected among certain substituted para-phenylenediamine derivatives and their addition salts with an acid, at least a polymer selected among amphoteric polymers, cationic polymers with specific repeat still units, or amphiphilic polymers comprising at least a fatty chain, and the dyeing method using said composition.
    Type: Application
    Filed: September 11, 2003
    Publication date: May 13, 2004
    Inventor: Gerard Lang