Patents by Inventor Marie-Laure Carrel

Marie-Laure Carrel 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).

  • Single-phase transparent aqueous cosmetic composition
    Patent number: 6500441
    Abstract: A single-phase transparent aqueous liquid cosmetic composition comprising at least 90% of water, at least one alkyl para-hydroxybenzoate (paraben), preferably methyl para-hydroxybenzoate (methylparaben), and at least one metabisulfite, preferably sodium metabisulfite. This composition is preferably devoid of primary alcohol. The inventive composition may be in the form of a stable transparent lotion and may be used, in particular, for gently cleaning and/or removing make-up from the skin and/or eyes. The present invention also relates to a process for dissolving an alkyl para-hydroxybenzoate in an aqueous cosmetic composition which by adding at least one metabisulfite thereto.
    Type: Grant
    Filed: March 26, 2001
    Date of Patent: December 31, 2002
    Assignee: L'Oreal
    Inventors: Lien Bui-Bertrand, Marie-Laure Carrel
  • Single-phase transparent aqueous cosmetic composition
    Publication number: 20010018062
    Abstract: A single-phase transparent aqueous liquid cosmetic composition comprising at least 90% of water, at least one alkyl para-hydroxybenzoate (paraben), preferably methyl para-hydroxybenzoate (methylparaben), and at least one metabisulfite, preferably sodium metabisulfite. This composition is preferably devoid of primary alcohol. The inventive composition may be in the form of a stable transparent lotion and may be used, in particular, for gently cleaning and/or removing make-up from the skin and/or eyes. The present invention also relates to a process for dissolving an alkyl para-hydroxybenzoate in an aqueous cosmetic composition which by adding at least one metabisulfite thereto.
    Type: Application
    Filed: March 26, 2001
    Publication date: August 30, 2001
    Applicant: L'OREAL
    Inventors: Lien Bui-Bertrand, Marie-Laure Carrel
  • Single-phase transparent aqueous cosmetic composition
    Patent number: 6238681
    Abstract: A single-phase transparent aqueous liquid cosmetic composition comprising at least 90% of water, at least one alkyl para-hydroxybenzoate (paraben), preferably methyl para-hydroxybenzoate (methylparaben), and at least one metabisulfite, preferably sodium metabisulfite. This composition is preferably devoid of primary alcohol. The inventive composition may be in the form of a stable transparent lotion and may be used, in particular, for gently cleaning and/or removing make-up from the skin and/or eyes. The present invention also relates to a process for dissolving an alkyl para-hydroxybenzoate in an aqueous cosmetic composition which by adding at least one metabisulfite thereto.
    Type: Grant
    Filed: July 20, 1999
    Date of Patent: May 29, 2001
    Assignee: L'Oreal
    Inventors: Lién Bui-Bertrand, Marie-Laure Carrel
  • Preserving system and its use in a cosmetic or pharmaceutical composition
    Patent number: 6063388
    Abstract: The invention relates to a novel preserving system of at least one C.sub.1 -C4 alkyl para-hydroxybenzoate, sodium benzoate and N-(3-chloroallyl)hexaminium chloride. This combination finds its application most particularly in the cosmetic or pharmaceutical field, and in particular in cleansing compositions for the face and the eyes.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: May 16, 2000
    Assignee: L'Oreal
    Inventors: Lien Bui-Bertrand, Marie-Laure Carrel
  • Use of a polyholoside in a cleaning or make-up-removing composition and composition comprising same
    Patent number: 5882659
    Abstract: The invention relates to the use of a polyholoside in a composition to clean and/or remove make-up from the skin, the mucous membranes, or the eyes. This composition may also comprise a cosmetically or dermatologically acceptable support.
    Type: Grant
    Filed: December 2, 1996
    Date of Patent: March 16, 1999
    Assignee: L'Oreal
    Inventors: Marie-Laure Carrel, Lien Bui-Bertrand