Patents by Inventor Mathieu LETI

Mathieu LETI 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).

  • Silybum marianum (L.) Gaertn. oil for reinforcing the barrier function of the skin
    Publication number: 20230270660
    Abstract: The invention relates to the cosmetic use of an oil derived from akenes of Silybum marianum (L.) Gaertn. to prevent a decrease in and/or increase the epidermal barrier function.
    Type: Application
    Filed: August 31, 2021
    Publication date: August 31, 2023
    Inventors: Mathieu LETI, Carine JACQUES JAMIN
  • Methods for treating in dermatology and dermo-cosmetics by administering achene extract
    Patent number: 11285185
    Abstract: The present invention relates to a Silybum marianum (L.) Gaertn. extract comprising less than 0.2% by weight of silymarin with respect to the weight of the dry extract, as well as pharmaceutical and cosmetic compositions containing same, the preparation method thereof and uses thereof as a medicinal product, particularly in the treatment of acne, seborrhoea, seborrheic dermatitis and/or rosacea.
    Type: Grant
    Filed: June 30, 2017
    Date of Patent: March 29, 2022
    Assignee: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Jean-Hilaire Saurat, Olivier Sorg, Mathieu Leti, Bernard Fabre
  • GARCINIA MANGOSTANA EXTRACT FOR PROMOTING HAIR GROWTH
    Publication number: 20210330725
    Abstract: The present invention relates to a garcinia mangostana extract and to compositions containing this extract for application in cosmetics and dermatology for promoting hair growth.
    Type: Application
    Filed: December 4, 2019
    Publication date: October 28, 2021
    Inventors: Mathieu LETI, Marguerite LEVEQUE, Sylvie DAUNES-MARION
  • LESPEDEZA CAPITATA EXTRACT FOR USE IN THE FIELD OF HAIR CARE
    Publication number: 20210169960
    Abstract: The present invention relates to an extract of Lespedeza capitata Michx., for use in cosmetics and/or dermatology in the field of hair care and, more specifically, in the treatment and/or prevention of alopecia and/or seborrhea of the scalp.
    Type: Application
    Filed: July 19, 2019
    Publication date: June 10, 2021
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Mathieu LETI, Sylvie DAUNES-MARION, Marguerite LEVEQUE
  • Method for producing an extract of a matrix of vegetable origin by extrusion with a hydrotrope solution
    Patent number: 10532078
    Abstract: The invention relates to a method for producing an extract of a matrix of vegetable origin, particularly a plant, characterised in that the matrix of vegetable origin undergoes a mechanical treatment consisting in extruding the matrix of vegetable origin in an extruder, in association or not with a heat treatment, in the presence of an aqueous solution containing at least one hydrotrope agent, particularly at a concentration at least equal to the minimum hydrotrope concentration thereof, followed by an operation of recovering the extract.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: January 14, 2020
    Assignee: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Anne Mandeau, Mathieu Leti
  • NOVEL SILYBUM MARIANUM ACHENE EXTRACT AND USES THEREOF IN DERMATOLOGY AND DERMO-COSMETICS
    Publication number: 20190175677
    Abstract: The present invention relates to a Silybum marianum (L.) Gaertn. extract comprising less than 0.2% by weight of silymarin with respect to the weight of the dry extract, as well as pharmaceutical and cosmetic compositions containing same, the preparation method thereof and uses thereof as a medicinal product, particularly in the treatment of acne, seborrhoea, seborrheic dermatitis and/or rosacea.
    Type: Application
    Filed: June 30, 2017
    Publication date: June 13, 2019
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Jean-Hilaire SAURAT, Olivier SORG, Mathieu LETI, Bernard FABRE
  • Method for producing an extract of a matrix of vegetable origin with a non-ionic amphiphilic compound as extraction adjuvant in an aqueous medium
    Patent number: 10299502
    Abstract: The invention relates to a method for producing an extract of a matrix of vegetable origin, particularly a plant, involving a solid-liquid extraction by means of an aqueous solution containing at least one, preferably agro-sourced, non-ionic amphiphilic compound, at a concentration at least equal to the minimum hydrotrope concentration thereof.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: May 28, 2019
    Assignee: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Mathieu Leti, Anne Mandeau
  • METHOD FOR PRODUCING AN EXTRACT OF A MATRIX OF VEGETABLE ORIGIN BY EXTRUSION WITH A HYDROTROPE SOLUTION
    Publication number: 20180055900
    Abstract: The invention relates to a method for producing an extract of a matrix of vegetable origin, particularly a plant, characterised in that the matrix of vegetable origin undergoes a mechanical treatment consisting in extruding the matrix of vegetable origin in an extruder, in association or not with a heat treatment, in the presence of an aqueous solution containing at least one hydrotrope agent, particularly at a concentration at least equal to the minimum hydrotrope concentration thereof, followed by an operation of recovering the extract.
    Type: Application
    Filed: March 18, 2016
    Publication date: March 1, 2018
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Anne MANDEAU, Mathieu LETI
  • METHOD FOR PRODUCING AN EXTRACT OF A MATRIX OF VEGETABLE ORIGIN WITH A NON-IONIC AMPHIPHILIC COMPOUND AS EXTRACTION ADJUVANT IN AN AQUEOUS MEDIUM
    Publication number: 20170367393
    Abstract: The invention relates to a method for producing an extract of a matrix of vegetable origin, particularly a plant, involving a solid-liquid extraction by means of an aqueous solution containing at least one, preferably agro-sourced, non-ionic amphiphilic compound, at a concentration at least equal to the minimum hydrotrope concentration thereof.
    Type: Application
    Filed: March 18, 2016
    Publication date: December 28, 2017
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Mathieu LETI, Anne MANDEAU