Patents by Inventor Amélie GUEGUINIAT

Amélie GUEGUINIAT 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: 11045411
    Abstract: The present invention relates to a process for cosmetic treatment of the skin, comprising the application to the skin of a composition comprising a compound (I) with R, R? and X as defined in the description and S* a monosaccharide or polysaccharide.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: June 29, 2021
    Assignee: L'OREAL
    Inventors: Maria Dalko, Marie-céline Frantz, Amélie Gueguiniat, Jinzhu Xu, Lisheng Mao
  • Publication number: 20190380937
    Abstract: The invention relates to a cosmetic process for depigmenting, lightening and/or bleaching keratin materials, in particular the skin, comprising the application of a cosmetic composition comprising a compound of formula (I): compound of formula (I): (I) The invention also relates to the novel compounds of formula (I), to the compositions containing same and also to the cosmetic use of a compound (I) as an agent for bleaching, lightening and/or depigmenting keratin materials.
    Type: Application
    Filed: December 1, 2016
    Publication date: December 19, 2019
    Inventors: Xavier MARAT, Amélie GUEGUINIAT, Sébastien GREGOIRE, Jinzhu XU, Patricio GUERREIRO
  • Patent number: 10457619
    Abstract: The present invention relates to a compound of formula (I), in particular for the use thereof for depigmenting, lightering and/or bleaching the skin. (I) In which R1 and R2, which may be identical or different, denote hydrogen, or a COR5 radical in which R5 denotes a linear C1-C10 or branched C3-C10 alkyl radical, preferably a linear C1-C6 or branched C3-C6 alkyl radical, more preferentially a linear C1-C4 alkyl radical, R3 denotes a linear C1-C6 or branched C3-C6 alkyl radical, preferably a linear C1-C4 or branched C3-C4 alkyl radical, and R4 denotes H, a linear C1-C6 or branched C3-C6 alkyl radical, or a COR5 radical, and also the salts thereof, the solvates thereof and the optical isomers thereof, and the racemic mixtures thereof, alone or as a mixture. The present invention also relates to the novel compounds (I) and also to the process for preparing same and to a cosmetic process for depigmenting the skin using such compounds (I).
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: October 29, 2019
    Assignee: L'OREAL
    Inventors: Xavier Marat, Amélie Gueguiniat
  • Publication number: 20180370886
    Abstract: The present invention relates to a compound of formula (I), in particular for the use thereof for depigmenting, lightering and/or bleaching the skin. (I) In which R1 and R2, which may be identical or different, denote hydrogen, or a COR5 radical in which R5 denotes a linear C1-C10 or branched C3-C10 alkyl radical, preferably a linear C1-C6 or branched C3-C6 alkyl radical, more preferentially a linear C1-C4 alkyl radical, R3 denotes a linear C1-C6 or branched C3-C6 alkyl radical, preferably a linear C1-C4 or branched C3-C4 alkyl radical, and R4 denotes H, a linear C1-C6 or branched C3-C6 alkyl radical, or a COR5 radical, and also the salts thereof, the solvates thereof and the optical isomers thereof, and the racemic mixtures thereof, alone or as a mixture. The present invention also relates to the novel compounds (I) and also to the process for preparing same and to a cosmetic process for depigmenting the skin using such compounds (I).
    Type: Application
    Filed: December 8, 2016
    Publication date: December 27, 2018
    Inventors: Xavier MARAT, Amélie GUEGUINIAT