Patents by Inventor Xavier Marat

Xavier Marat 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: 20230372221
    Abstract: The present invention relates to the cosmetic use of at least one compound corresponding to the following formula (I) or (I?) and also their salts, their solvates, their optical isomers and their racemates, as inhibitor of the black or brown colouration of comedones. It also relates to a cosmetic method for preventing the black or brown colouration of the comedones, comprising the topical application, to the skin, of a cosmetic composition comprising at least one compound corresponding to the formula (I) or (I?).
    Type: Application
    Filed: October 13, 2021
    Publication date: November 23, 2023
    Inventors: Amélie PREVOT-GUEGUINIAT, Xavier MARAT, Nelly BILLONI
  • Patent number: 11654096
    Abstract: The present invention relates to the use of a compound of formula (I): in which R1, R2 and R3 independently denote: —a group of formula (II), or —a hydrogen atom H, it being understood that at least one of the radicals R1, R2, R3 denotes a group of formula (II); and also the salts thereof, the solvates thereof, and/or the isomers thereof, for preventing and/or cosmetically treating the signs of skin aging.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 23, 2023
    Assignee: L'OREAL
    Inventors: Xavier Marat, Maria Dalko
  • Patent number: 11458083
    Abstract: The present invention relates to a cosmetic and/or dermatological composition comprising in a physiologically acceptable medium at least one merocyanine derivative of formula (1) or (2) and/or its E,E-, E,Z- or Z,Z-geometrical isomer forms: comprising specific polar groups consisting of hydroxyl- and ether-functionalities. Another object of the present invention relates to a cosmetic process for controlling and/or improving the darkening of the skin under exposure to UV radiation and the homogeneity of the colour of the complexion which comprises the application onto the skin of a cosmetic composition as above defined. Another object of the present invention relates to a cosmetic process for protecting the keratinic materials and particularly the skin against photo-ageing which comprises the application onto the keratinic material of a cosmetic composition as above defined.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: October 4, 2022
    Assignee: L'OREAL
    Inventors: Herve Richard, Xavier Marat, Florence L'Alloret, Didier Candau, Julie Songeur-Geney, Julie Grumelard, Barbara Winkler, Dietmar Huglin
  • Patent number: 11401236
    Abstract: The invention relates to resorcinol-derived compounds of formula (I) and also the salts thereof, the solvates thereof and the optical and/or geometrical isomers thereof, including enantiomers and diastereoisomers, the racemic mixtures thereof, alone or as a mixture. The invention also relates to a cosmetic process for depigmenting, lightening and/or bleaching keratin materials, in particular the skin, using these compounds (I).
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: August 2, 2022
    Assignee: L'OREAL
    Inventors: Xavier Marat, Chunyu Ma
  • Patent number: 11389385
    Abstract: The invention relates to resorcinol-based compounds of formula (I), to the salts, solvates, optical and/or geometrical isomers thereof, to the use thereof as active agents for depigmenting, lightening and/or bleaching keratin materials, and/or for preventing, reducing and/or treating impairment of the skin complexion or of the colour of the semi-mucous membranes. The invention also relates to a non-therapeutic cosmetic treatment process for depigmenting, lightening and/or bleaching keratin materials, and/or for preventing, reducing and/or treating impairment of the skin complexion or the colour of the semi-mucous membranes.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: July 19, 2022
    Assignee: L'OREAL
    Inventors: Xavier Marat, Chunyu Ma
  • Publication number: 20210401709
    Abstract: The invention relates to a cosmetic process for depigmenting, lightening and/or whitening keratin materials, in particular the skin, which comprises the application of a cosmetic composition comprising a compound of formula (I): or its tautomer form of formula (I?): in which: R1 and R2, which may be identical or different, denote a radical chosen from: a) a hydrogen atom; b) a C1-C20 alkyl group optionally interrupted with N, S or O, optionally substituted with one or more group(s) chosen from -—OR3, —SR3, —NR3R4, —CONHR3; —COORS; and an aryl group optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals; c) a C1-C8 alkyl group substituted with a C5-C12 aryl radical optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals; d) a phenyl group optionally substituted with one or more hydroxyls and/or with one or more C1-C8 alkoxy radicals; R3 denoting H or a C1-C5 alkyl group, R4 denoting H, a C1-C5 hydrocarbon-based group or
    Type: Application
    Filed: June 7, 2021
    Publication date: December 30, 2021
    Applicant: L'ORÉAL
    Inventor: Xavier MARAT
  • Patent number: 11052028
    Abstract: The invention relates to cosmetic processes and compositions for depigmenting, lightening and/or whitening keratin materials, in particular the skin, which comprises the application of a cosmetic composition comprising thiopyridinone compounds to keratin materials.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: July 6, 2021
    Assignee: L'OREAL
    Inventor: Xavier Marat
  • Patent number: 10995051
    Abstract: The present invention relates to compounds of formula (I): in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.
    Type: Grant
    Filed: December 31, 2019
    Date of Patent: May 4, 2021
    Assignee: L'OREAL
    Inventors: Maria Dalko, Xavier Marat, Julien Hitce, Chao-Jun Li
  • Publication number: 20210052479
    Abstract: The present invention relates to the use of a compound of formula (I): in which R1, R2 and R3 independently denote: —a group of formula (II), or —a hydrogen atom H, it being understood that at least one of the radicals R1, R2, R3 denotes a group of formula (II); and also the salts thereof, the solvates thereof, and/or the isomers thereof, for preventing and/or cosmetically treating the signs of skin aging.
    Type: Application
    Filed: December 20, 2018
    Publication date: February 25, 2021
    Inventors: Xavier MARAT, Maria DALKO
  • Publication number: 20210000727
    Abstract: The invention relates to the non-therapeutic cosmetic use of at least one compound of formula (I) as defined below, as an agent for bleaching, lightening and/or depigmenting keratin materials, especially the skin. The invention also relates to a non-therapeutic cosmetic process for depigmenting, lightening and/or bleaching keratin materials, especially the skin, using these compounds (I).
    Type: Application
    Filed: December 18, 2018
    Publication date: January 7, 2021
    Inventors: Xavier MARAT, Amélie PREVOT-GUEGUINIAT
  • Publication number: 20200246240
    Abstract: The invention relates to resorcinol-based compounds of formula (I), to the salts, solvates, optical and/or geometrical isomers thereof, to the use thereof as active agents for depigmenting, lightening and/or bleaching keratin materials, and/or for preventing, reducing and/or treating impairment of the skin complexion or of the colour of the semi-mucous membranes. The invention also relates to a non-therapeutic cosmetic treatment process for depigmenting, lightening and/or bleaching keratin materials, and/or for preventing, reducing and/or treating impairment of the skin complexion or the colour of the semi-mucous membranes.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 6, 2020
    Applicant: L'OREAL
    Inventors: Xavier MARAT, Chunyu MA
  • Patent number: 10654788
    Abstract: The present invention relates to compounds of formula (I): in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.
    Type: Grant
    Filed: March 14, 2016
    Date of Patent: May 19, 2020
    Assignee: L'OREAL
    Inventors: Maria Dalko, Xavier Marat, Julien Hitce, Chao-Jun Li
  • Publication number: 20200140376
    Abstract: The invention relates to resorcinol-derived compounds of formula (I) and also the salts thereof, the solvates thereof and the optical and/or geometrical isomers thereof, including enantiomers and diastereoisomers, the racemic mixtures thereof, alone or as a mixture. The invention also relates to a cosmetic process for depigmenting, lightening and/or bleaching keratin materials, in particular the skin, using these compounds (I).
    Type: Application
    Filed: May 30, 2018
    Publication date: May 7, 2020
    Inventors: Xavier MARAT, Chunyu MA
  • Publication number: 20200131108
    Abstract: The present invention relates to compounds of formula (I): in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.
    Type: Application
    Filed: December 31, 2019
    Publication date: April 30, 2020
    Inventors: Maria DALKO, Xavier MARAT, Julien HITCE, Chao-Jun LI
  • 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
  • Patent number: 9993405
    Abstract: The present invention relates to a cosmetic or dermatological composition comprising, in a physiologically acceptable support: a) at least one merocyanine of formula (1) or (2). b) at least one oily phase comprising at least one amide compound of formula (I). The present invention also relates to a non-therapeutic cosmetic process for caring for and/or making up a keratin material, comprising the application, to the surface of the said keratin material, of at least one composition as defined above. The invention also relates to a non-therapeutic cosmetic process for limiting the darkening of the skin and/or improving the color and/or uniformity of the complexion, comprising the application, to the surface of the keratin material, of at least one composition as defined previously.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: June 12, 2018
    Assignee: L'OREAL
    Inventors: Angelina Roudot, Didier Candau, Xavier Marat, Alexandre Cavezza
  • Publication number: 20180057440
    Abstract: The present invention relates to compounds of formula (I): in which R1 is a hydrogen atom, a phenyl radical, or a straight or branched, saturated or unsaturated hydrocarbon radical having 1 to 8 carbon atoms.
    Type: Application
    Filed: March 14, 2016
    Publication date: March 1, 2018
    Inventors: Maria DALKO, Xavier MARAT, Julien HITCE, Chao-Jun LI
  • Patent number: 9550730
    Abstract: Disclosed are compounds of formula (1) and (2) and/or E/E-, E/Z- or Z/Z geometrical isomer forms thereof; wherein R1-R5, R1-R11 and A are defined as in description. The compounds are used as UV absorbers for protecting household products from photolytic and oxidative degradation, as plastic additives, preferably for food and pharmaceutical packaging applications, for preventing photo-degradation of food by incorporation of the compounds of formula (1?) and/or (2?) into transparent food containers, for protection of UV-A sensitive drugs from photo-degradation by incorporation of UV absorber in transparent blister foils or transparent pharmacy containers, as additives for photographic and printing applications, as additives for electronic applications and protecting the ingredients in agriculture applications.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: January 24, 2017
    Assignee: BASF SE
    Inventors: Barbara Winkler, Dietmar Hueglin, Kai Eichin, Larissa Ehrsam, Xavier Marat, Hervé Richard, ILona Marion Kienzle, Ute Schroeder