Patents by Inventor Stephane DOUEZAN

Stephane DOUEZAN 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: 20230414467
    Abstract: The present invention relates to a composition comprising at least one aqueous phase containing (i) at least a first hydrophilic gelling agent chosen from non-starchy polysaccharides; and (ii) at least a second hydrophilic gelling agent chosen from 2-acrylamido-2-methylpropanesulfonic acid polymers and copolymers; at least one oily phase containing (a) at least a first lipophilic gelling agent chosen from amino acid-based gelling agents; and (b) at least a second lipophilic gelling agent chosen from dextrin esters; and said composition also comprising at least one UV-screening agent.
    Type: Application
    Filed: October 21, 2021
    Publication date: December 28, 2023
    Inventors: Stéphane DOUEZAN, Elena CATALAN-MARTIN, Ondine NICOT, Martin JOSSO, Roselyne BEAUDOUIN, Céline MERCIER
  • Patent number: 11839668
    Abstract: The present invention relates to a composition, especially a photoprotective cosmetic composition, comprising at least: photonic particles having a mean size of from 0.5 ?m to 100 ?m, each including an ordered periodic arrangement of monodisperse nanoparticles or of empty spaces, leading to attenuation of the radiation in the wavelength range extending from 250 nm to 1800 nm, preferably from 250 nm to 400 nm, b) at least one UV-screening agent, and at least one particular acrylic polymer.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: December 12, 2023
    Assignee: L'OREAL
    Inventors: Stéphane Douezan, Angélina Roudot
  • Patent number: 11547648
    Abstract: The present application relates to a composition for topical application comprising baicalin and/or at least one derivative thereof or an extract containing same, and at least one acrylic polymer, and to the use of said composition in the cosmetics and dermatology fields and in particular for caring for, for the hygiene of, for protecting and/or for making up bodily or facial skin, or for hair care, preferably for caring for bodily or facial skin. A subject of the invention is also a process for the cosmetic treatment of keratin materials, which consists in applying to the keratin materials a composition as defined above, and also the use of said composition in the cosmetics or dermatology field, and in particular for caring for, protecting and/or making up bodily or facial skin, or for hair care, preferably for caring for bodily or facial skin.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: January 10, 2023
    Assignee: L'OREAL
    Inventors: Stéphane Douezan, Angélina Roudot, Maud Willien
  • Patent number: 11510860
    Abstract: The present invention relates to a composition, especially a cosmetic, in particular photoprotective, composition, comprising at least: —one or more particular acrylic polymers —one or more fatty acid esters of dextrin, and —one or more UV-screening agents.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: November 29, 2022
    Assignee: L'OREAL
    Inventors: Stéphane Douezan, Alexandra Batista
  • Patent number: 11419807
    Abstract: Composition, preferably a cosmetic composition, for caring for and/or making up keratin materials, preferably the eyelashes and/or the eyebrows, comprising: —(1) at least one linear fatty acid monoester of formula (I): R1—O—R2 in which R1 and R2 are linear and saturated and have, independently of one another, a number of carbon atoms greater than or equal to 20, with R1 representing an acyl radical, and R2 representing an alkyl radical, and —(2) at least one fatty acid having from 14 carbon atoms to less than 20 carbon atoms, —(3) at least one organic base, in particular derived from an alkanolamine, capable of at least partially neutralizing at least one fatty acid (2), and —(4) at least one fatty alcohol preferably chosen from C14-C30 fatty alcohols, better still chosen from the linear and saturated C14-C24, even better still C14-C20, fatty alcohols, and —(5) water.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 23, 2022
    Assignee: L'OREAL
    Inventors: Odile Aubrun, Stephane Douezan, Mohamed Boularas, Maitena Leuridan, Philippe Ilekti
  • Publication number: 20220071881
    Abstract: Cosmetic composition comprising hydrosoluble UV filters The present invention relates to a composition, particularly a cosmetic composition, comprising the following in a physiologically acceptable medium: at least one hydrosoluble filter capable of absorbing UV from 320 to 400 nm (UVA) and at least one hydrosoluble filter capable of absorbing UV from 280 to 320 nm (UVB); and at least one thickening agent chosen from among synthetic anionic thickening polymers, non-ionic thickening polysaccharides, sulfated thickening polysaccharides and branched carboxylated thickening polysaccharides.
    Type: Application
    Filed: December 26, 2019
    Publication date: March 10, 2022
    Inventors: Angélina ROUDOT, Laure ADER, Flavie GILLANT, Stephane DOUEZAN
  • Publication number: 20210361540
    Abstract: The present invention relates to a fluid composition intended for the protection of keratin materials against ultraviolet radiation, characterized in that it comprises at least: (a) a photoprotective system capable of screening out UV radiation, (b) at least one diester of a C2-C8 carboxylic acid and of a C1-C4 alcohol, (c) at least one diester of a C9-C14 carboxylic acid and of a C1-C4 alcohol, (d) at least one (C4-C26) dialkyl ether. The present invention relates more particularly to aqueous vaporizable compositions in particular in spray form and also to the pressurization devices containing them.
    Type: Application
    Filed: December 16, 2019
    Publication date: November 25, 2021
    Inventors: Stéphane DOUEZAN, Marina GROC-BIDAULT
  • Publication number: 20210154114
    Abstract: The invention relates to a composition, preferably a cosmetic composition, for caring for and/or making up keratin materials, in particular the eyelashes and/or the eyebrows, comprising: —(1) at least one ester of polyol and of fatty acid(s), said fatty acid(s) having a number of carbon atoms greater than or equal to 20, —(2) at least one fatty acid having from 14 carbon atoms to less than 20 carbon atoms, —(3) at least one organic base, in particular derived from an alkanolamine, capable of at least partially neutralizing said fatty acid (2), —(4) at least one fatty alcohol preferably chosen from C14-C30 fatty alcohols, better still chosen from the linear and saturated C14-C24, even better still C14-C20, fatty alcohols, —(5) at least one semi-crystalline polymer, and—(6) water.
    Type: Application
    Filed: April 16, 2019
    Publication date: May 27, 2021
    Applicant: L'OREAL
    Inventors: Stephane DOUEZAN, Mohamed BOULARAS, Maitena LEURIDAN, Philippe ILEKTI
  • Publication number: 20210106514
    Abstract: Composition, preferably a cosmetic composition, for caring for and/or making up keratin materials, preferably the eyelashes and/or the eyebrows, comprising: —(1) at least one linear fatty acid monoester of formula (I): R1—O—R2 in which R1 and R2 are linear and saturated and have, independently of one another, a number of carbon atoms greater than or equal to 20, with R1 representing an acyl radical, and R2 representing an alkyl radical, and —(2) at least one fatty acid having from 14 carbon atoms to less than 20 carbon atoms, —(3) at least one organic base, in particular derived from an alkanolamine, capable of at least partially neutralizing at least one fatty acid (2), and —(4) at least one fatty alcohol preferably chosen from C14-C30 fatty alcohols, better still chosen from the linear and saturated C14-C24, even better still C14-C20, fatty alcohols, and —(5) water.
    Type: Application
    Filed: April 16, 2019
    Publication date: April 15, 2021
    Applicant: L'OREAL
    Inventors: Odile AUBRUN, Stephane DOUEZAN, Mohamed BOULARAS, Maitena LEURIDAN, Philippe ILEKTI
  • Publication number: 20200330334
    Abstract: The present invention relates to a composition, especially a photoprotective cosmetic composition, comprising at least: photonic particles having a mean size of from 0.5 ?m to 100 ?m, each including an ordered periodic arrangement of monodisperse nanoparticles or of empty spaces, leading to attenuation of the radiation in the wavelength range extending from 250 nm to 1800 nm, preferably from 250 nm to 400 nm, b) at least one UV-screening agent, and at least one particular acrylic polymer.
    Type: Application
    Filed: November 15, 2018
    Publication date: October 22, 2020
    Inventors: Stéphane DOUEZAN, Angélina ROUDOT
  • Publication number: 20200315944
    Abstract: The present invention relates to a composition, especially a cosmetic, in particular photoprotective, composition, comprising at least: —one or more particular acrylic polymers —one or more fatty acid esters of dextrin, and —one or more UV-screening agents.
    Type: Application
    Filed: November 15, 2018
    Publication date: October 8, 2020
    Inventors: Stéphane DOUEZAN, Alxandra BATISTA
  • Publication number: 20200297612
    Abstract: The present application relates to a composition for topical application comprising baicalin and/or at least one derivative thereof or an extract containing same, and at least one acrylic polymer, and to the use of said composition in the cosmetics and dermatology fields and in particular for caring for, for the hygiene of, for protecting and/or for making up bodily or facial skin, or for hair care, preferably for caring for bodily or facial skin. A subject of the invention is also a process for the cosmetic treatment of keratin materials, which consists in applying to the keratin materials a composition as defined above, and also the use of said composition in the cosmetics or dermatology field, and in particular for caring for, protecting and/or making up bodily or facial skin, or for hair care, preferably for caring for bodily or facial skin.
    Type: Application
    Filed: November 15, 2018
    Publication date: September 24, 2020
    Inventors: Stéphane DOUEZAN, Angelina ROUDOT, Maud WILLIEN
  • Patent number: 10617625
    Abstract: The present invention relates to a composition comprising particles of a polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4, at least one hydrocarbon-based oil and at least one mineral thickener chosen from optionally modified clays and optionally modified silicas, or mixtures thereof. The invention also relates to a process for making up and/or caring for keratin materials, in which said composition is applied.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: April 14, 2020
    Assignee: L'OREAL
    Inventors: Roshanak Debeaud, Hong Li, Stephane Douezan, Sylvie Manet, Veronique Ferrari
  • Patent number: 10576025
    Abstract: The present invention relates to a composition comprising particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4, at least one hydrocarbon-based oil and at least one amorphous hydrocarbon-based block copolymer obtained by polymerization of at least one monomer of unsaturated hydrocarbon type comprising 2 to 5 carbon atoms and containing one or two ethylenic unsaturations. The invention also relates to a process for making up and/or caring for keratin materials, in which said composition is applied.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: March 3, 2020
    Assignee: L'OREAL
    Inventors: Laure Daubersies, Christel Lison, Stephane Douezan, Hy Si Bui, Rita El-Khouri
  • Patent number: 10568815
    Abstract: The present invention relates to a composition, especially a cosmetic composition, for caring for and/or making up keratin materials, comprising at least: a non-aqueous medium containing at least one hydrocarbon-based oil, particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth) acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4; and a hydrophobic film-forming polymer chosen from block ethylenic copolymers and hydrocarbon-based resins, and. mixtures thereof.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: February 25, 2020
    Assignee: L'OREAL
    Inventors: Philippe Ilekti, Laure Daubersies, Nathalie Gavache, Stephane Douezan
  • Patent number: 10493015
    Abstract: The present invention relates to a composition, preferably a cosmetic composition, in particular for coating keratin fibres such as the eyelashes, comprising: —an aqueous phase, —a lamellar phase L? formed by an aqueous phase-structuring surfactant system, said surfactant system comprising a content of surfactant(s) of greater than or equal to 15% by weight relative to the total weight of the composition, —at least one (poly)oxyalkylenated hydrophilic polymer present in a content of greater than or equal to 3% by weight of solids relative to the total weight of the composition, the hydrophilic polymer(s) having a weight-average molecular mass Mw ranging from 1500 to 500 000 g/mol. The present invention also relates to a process for coating keratin fibres.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: December 3, 2019
    Assignee: L'OREAL
    Inventors: Stephane Douezan, Philippe Ilekti
  • Publication number: 20190091116
    Abstract: The present invention relates to a composition, especially a cosmetic composition, for caring for and/or making up keratin materials, comprising at least: a non-aqueous medium containing at least one hydrocarbon-based oil, particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth) acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4; and a hydrophobic film-forming polymer chosen from block ethylenic copolymers and hydrocarbon-based resins, and. mixtures thereof.
    Type: Application
    Filed: December 18, 2015
    Publication date: March 28, 2019
    Inventors: Philippe ILEKTI, Laure DAUBERSIES, Nathalie GAVACHE, Stephane DOUEZAN
  • Patent number: 10219991
    Abstract: The present invention relates to a composition comprising particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4, at least one hydrocarbon-based oil and at least one silicone resin, and a mixture thereof. The invention also relates to a process for making up and/or caring for keratin materials, in which said composition is applied.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 5, 2019
    Assignee: L'OREAL
    Inventors: Laure Daubersies, Nathalie Gavache, Stephane Douezan
  • Patent number: 9980896
    Abstract: The present invention relates to a composition, preferably a cosmetic composition, in particular for coating keratin fibers such as the eyelashes, comprising:—an aqueous phase,—a lamellar phase L? formed by an aqueous phase-structuring surfactant system, said surfactant system comprising a content of surfactant(s) of greater than or equal to 15% by weight relative to the total weight of the composition,—at least one (poly)vinylpyrrolidone hydrophilic polymer present in a content of greater than or equal to 3% by weight of solids relative to the total weight of the composition, the hydrophilic polymer(s) having a weight-average molecular mass Mw ranging from 1500 to 500 000 g/mol. The present invention also relates to a process for coating keratin fibers.
    Type: Grant
    Filed: April 10, 2015
    Date of Patent: May 29, 2018
    Assignee: L'OREAL
    Inventors: Stephane Douezan, Philippe Ilekti
  • Publication number: 20170360657
    Abstract: The present invention relates to a composition comprising particles of at least one polymer that is surface-stabilized with a stabilizer, the polymer of the particles being a C1-C4 alkyl (meth)acrylate polymer; the stabilizer being an isobornyl (meth)acrylate polymer chosen from isobornyl (meth)acrylate homopolymer and statistical copolymers of isobornyl (meth)acrylate and of C1-C4 alkyl (meth)acrylate present in an isobornyl (meth)acrylate/C1-C4 alkyl (meth)acrylate weight ratio of greater than 4, at least one hydrocarbon-based oil and at least one amorphous hydrocarbon-based block copolymer obtained by polymerization of at least one monomer of unsaturated hydrocarbon type comprising 2 to 5 carbon atoms and containing one or two ethylenic unsaturations. The invention also relates to a process for making up and/or caring for keratin materials, in which said composition is applied.
    Type: Application
    Filed: December 18, 2015
    Publication date: December 21, 2017
    Applicant: L'OREAL
    Inventors: Laure DAUBERSIES, Christel LISON, Stephane DOUEZAN, Hy Si BUI, Rita EL-KHOURI