Patents by Inventor Didier Candau

Didier Candau 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: 20220226215
    Abstract: Photoprotective compositions comprising a dibenzoylmethane derivative, a merocyanine compound and a compound capable of accepting the triplet excited level energy of the dibenzoylmethane compound The present invention relates to a photoprotective composition for topical use comprising, in a cosmetically acceptable medium, at least one dibenzoylmethane derivative compound, at least one merocyanine compound and at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s). The invention also relates to the use of at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s), for photostabilizing with respect to UV radiation a composition comprising at least one dibenzoylmethane derivative compound and at least one merocyanine compound.
    Type: Application
    Filed: April 7, 2022
    Publication date: July 21, 2022
    Applicant: L'Oreal
    Inventors: Alexandra Batista, Didier Candau, Angelina Roudot, Mahassine Safouane, Julie Grumelard
  • Patent number: 11344487
    Abstract: The present invention relates to a photoprotective composition for topical use comprising, in a cosmetically acceptable medium, at least one dibenzoylmethane derivative compound, at least one merocyanine compound and at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s). The invention also relates to the use of at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s), for photostabilizing with respect to UV radiation a composition comprising at least one dibenzoylmethane derivative compound and at least one merocyanine compound.
    Type: Grant
    Filed: June 28, 2018
    Date of Patent: May 31, 2022
    Assignee: L'Oreal
    Inventors: Alexandra Batista, Didier Candau, Angelina Roudot, Mahassine Safouane, Julie Grumelard
  • Patent number: 11000460
    Abstract: The present invention relates to a cosmetic or dermatological composition comprising, in a physiologically acceptable support: a) at least one merocyanine compound of formula (1) or (2) and b) at least one oily phase and c) at least one C1-C4 monoalkanol. 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 colour and/or uniformity of the complexion, comprising the application, to the surface of the skin, of at least one composition as defined previously.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: May 11, 2021
    Assignee: L'OREAL
    Inventors: Angelina Roudot, Alexandra Suida-Batista, Didier Candau, Florence Levy
  • Publication number: 20210077369
    Abstract: This invention relates to a composition comprising, particularly in a cosmetically acceptable medium: a) at least one aqueous phase; and b) particles with a number-average elementary size greater than 0.1 ?m comprising: i) a perlite matrix, ii) at least one inorganic UV filter, and iii) a silica coating, said silica representing at least 1% by weight relative to the total weight of the composite particle. It also relates to a makeup or treatment process using such a composition.
    Type: Application
    Filed: May 11, 2018
    Publication date: March 18, 2021
    Inventors: Didier CANDAU, Anne MAGNAN, Mahassine SAFOUANE
  • Patent number: 10918583
    Abstract: The present invention relates to a cosmetic or dermatological composition comprising, in a physiologically acceptable support: a) at least one oily phase and b) at least one merocyanine compound of formula (1) defined hereinbelow and c) at least one organic UVB-screening agent chosen from: v) a liquid lipophilic organic UVB-screening agent vi) a hydrophilic organic UVB-screening agent vii) a triazine UVB-screening agent and viii) mixtures thereof; and d) at least one organic UVA-screening agent other than the said merocyanine compound; when the said UVB-screening agent is liquid and lipophilic, the said composition contains less than 2% by weight of cyclohexasiloxane relative to the total weight of the composition. Another subject of the present invention consists of 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 according to the invention as defined above.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: February 16, 2021
    Assignee: L'OREAL
    Inventors: Angelina Roudot, Didier Candau
  • Patent number: 10888507
    Abstract: The present invention relates to a composition, in particular a cosmetic or dermatological composition, comprising, in a physiologically acceptable medium: a) at least one merocyanine of formula (1) or (2) b) at least one oily phase comprising at least one N-substituted amide of formula (4): 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 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 colour 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 26, 2017
    Date of Patent: January 12, 2021
    Assignee: L'OREAL
    Inventors: Yannick Jolly, Didier Candau, Mahassine Safouane, Angelina Roudot
  • Publication number: 20200360264
    Abstract: The subject of the present is a composition, in particular a cosmetic composition, comprising at least one photoprotective system capable of screening out UV rays containing at least one insoluble organic UV-screening agent and at least one polymer comprising at least hydroxyethyl acrylate units and acrylate units bearing a lipophilic group, the weight ratio of the sum of all the hydroxyethyl acrylate units to the sum of all the acrylate units bearing a lipophilic group ranging from 1:30 to 1:1 and the polymer having a number-average molecular weight Mn ranging from 2000 to 9000 g/mol.
    Type: Application
    Filed: November 15, 2018
    Publication date: November 19, 2020
    Inventors: Aurélie PILLOT, Laure FAGEON, Alexandra BATISTA, Angélina ROUDOT, Didier CANDAU
  • Patent number: 10792234
    Abstract: The present invention relates to an in particular cosmetic or dermatological compositions comprising, in a physiologically acceptable support: • a) at least one merocyanine of formula (1) or (2) (1), (2) • b) at least one oily phase comprising at least one polyalkylene glycol of formula (4): (4) and to their use for caring for and/or making up a keratin material.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: October 6, 2020
    Assignee: L'OREAL
    Inventors: Didier Candau, Angelina Roudot
  • Patent number: 10667996
    Abstract: The present invention relates to an in particular 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 isosorbide ether. 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 colour 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 26, 2017
    Date of Patent: June 2, 2020
    Assignee: L'OREAL
    Inventors: Yannick Jolly, Angelina Roudot, Didier Candau, Mahassine Safouane
  • Publication number: 20200138684
    Abstract: The present invention relates to a photoprotective composition for topical use comprising, in a cosmetically acceptable medium, at least one dibenzoylmethane derivative compound, at least one merocyanine compound and at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s). The invention also relates to the use of at least one compound capable of accepting the triplet excited level energy of said dibenzoylmethane derivative compound(s), for photostabilizing with respect to UV radiation a composition comprising at least one dibenzoylmethane derivative compound and at least one merocyanine compound.
    Type: Application
    Filed: June 28, 2018
    Publication date: May 7, 2020
    Applicant: L'Oreal
    Inventors: Alexandra BATISTA, Didier CANDAU, Angelina ROUDOT, Mahassine SAFOUANE, Julie GRUMELARD
  • Patent number: 10596083
    Abstract: The present invention relates to novel composite particles based on mineral UV-screening agent and perlite. The present invention also relates to a composition comprising, in a cosmetically acceptable medium, at least composite particles for screening out UV radiation, based on mineral UV-screening agent and perlite. The invention also relates to a cosmetic process for caring for and/or making up human keratin materials, especially bodily or facial skin or the hair, comprising at least the application, to the surface of the keratin material, of at least one composition as defined previously. The invention also relates to a non-therapeutic cosmetic process for limiting the darkening of the skin and/or improving the colour 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: May 23, 2014
    Date of Patent: March 24, 2020
    Assignee: L'OREAL
    Inventors: Yasuko Nagamatsu, Didier Candau, Benjamin Keufer, Chong Wei Zhang
  • Patent number: 10583075
    Abstract: The present invention relates to a composition in the form of an oil-in-water emulsion comprising a) at least one hydrophobically modified inulin, b) at least one polyether modified silicone and c) at least one UV filter, in which the hydrophobically modified inulin is present in a content ranging from about 0.01 to about 10% by weight relative to the total weight of the composition. The composition of the present invention has good skin affinity and homogeneous spreading, and maintains further good watery skin sensation.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: March 10, 2020
    Assignee: L'OREAL
    Inventors: Yasuko Harada, Toru Koike, Kyoko Amazaki, Didier Candau
  • Patent number: 10272021
    Abstract: A subject matter of the present invention is a composition comprising: a) at least multilayer spherical composite particles comprising i) a core comprising at least one material A having a refractive index ranging from 1.3 to 1.8; and ii) at least one layer covering said core, comprising at least one material B having a refractive index ranging from 1.9 to 3.1; and iii) optionally at least one second layer covering the material B, comprising at least one material C having a refractive index ranging from 1.3 to 1.8; said composite particles being present in an amount less than 28.0% by weight relative to the total weight of the composition; and b) at least one UV-screening agent. This composition is for topical use and is more particularly intended for the photoprotection of the skin and/or hair against ultraviolet (UV) radiation.
    Type: Grant
    Filed: September 16, 2015
    Date of Patent: April 30, 2019
    Assignee: L'OREAL
    Inventors: Yasuko Nagamatsu, Didier Candau, Angelina Roudot, Yannick Jolly
  • Publication number: 20190060182
    Abstract: The present invention relates to an in particular 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 isosorbide ether. 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 colour 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: Application
    Filed: January 26, 2017
    Publication date: February 28, 2019
    Inventors: Yannick Jolly, Angelina ROUDOT, Didier CANDAU, Mahassine SAFOUANE
  • Publication number: 20180369098
    Abstract: The present invention relates to an in particular cosmetic or dermatological compositions comprising, in a physiologically acceptable support: •a) at least one merocyanine of formula (1) or (2) (1), (2) •b) at least one oily phase comprising at least one polyalkylene glycol of formula (4): (4) and to their use for caring for and/or making up a keratin material.
    Type: Application
    Filed: January 26, 2017
    Publication date: December 27, 2018
    Inventors: Didier CANDAU, Angelina ROUDOT
  • Publication number: 20180369100
    Abstract: The present invention relates to a composition, in particular a cosmetic or dermatological composition, comprising, in a physiologically acceptable medium: a) at least one merocyanine of formula (1) or (2) b) at least one oily phase comprising at least one N-substituted amide of formula (4): 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 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 colour 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: Application
    Filed: January 26, 2017
    Publication date: December 27, 2018
    Inventors: Yannick JOLLY, Didier CANDAU, Mahassine SAFOUANE, Angelina ROUDOT
  • Publication number: 20180243197
    Abstract: The present invention relates to a composition in the form of an oil-in-water emulsion comprising a) at least one hydrophobically modified inulin, b) at least one polyether modified silicone and c) at least one UV filter, in which the hydrophobically modified inulin is present in a content ranging from about 0.01 to about 10% by weight relative to the total weight of the composition. The composition of the present invention has good skin affinity and homogeneous spreading, and maintains further good watery skin sensation.
    Type: Application
    Filed: August 16, 2016
    Publication date: August 30, 2018
    Applicant: L'OREAL
    Inventors: Yasuko HARADA, Toru KOIKE, Kyoko AMAZAKI, Didier CANDAU
  • 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
  • Patent number: 9913782
    Abstract: The present invention relates to a composition comprising, in a cosmetically acceptable medium: a) composite particles with a mean size of greater than 0.1 ?m, containing a matrix comprising i) at least one organic material and/or at least one mineral material and ii) at least titanium dioxide; and b) hydrophobic silica aerogel particles. The invention also relates to a cosmetic process for caring for and/or making up human keratin materials, especially bodily or facial skin or the hair, comprising at least the application, to the surface of the keratin material, of a composition as defined previously. 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 a composition as defined previously.
    Type: Grant
    Filed: March 20, 2014
    Date of Patent: March 13, 2018
    Assignee: L'OREAL
    Inventors: Yasuko Nagamatsu, Maud Willien, Didier Candau
  • Publication number: 20170304658
    Abstract: A composition, in particular a cosmetic composition, for making up and/or caring for keratin materials, including at least one aqueous phase gelled with at least one non-starchy hydrophilic gelling agent; at least one oily phase gelled with at least one non-cellulose-based lipophilic gelling agent other than apolar hydrocarbon-based waxes with a melting point of greater than 75.0° C. and silicone polyamides; the phases forming therein a macroscopically homogeneous mixture; the composition also including at least one UV-screening agent.
    Type: Application
    Filed: August 26, 2015
    Publication date: October 26, 2017
    Applicant: L'OREAL
    Inventors: Angelina ROUDOT, Anne FALIP, Didier CANDAU, Elodie VALVERDE, Laure FAGEON