Patents by Inventor Estelle Marchal

Estelle Marchal 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).

  • Patent number: 8563548
    Abstract: The present invention relates to methylene furanone derivatives as well as the use thereof as a protective, antioxidant, or depigmentation agent in cosmetic or dermatological compositions. The invention also relates to a method for preparing said derivatives involving a Suzuki-Miyaura coupling reaction from corresponding dibromofuranone derivatives. The invention also relates to a method of preparation involving a coupling reaction of 2-methoxy-furan derivatives with a ketone followed by dehydration.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: October 22, 2013
    Assignee: Pierre Fabre Dermo-Cosmetique
    Inventors: Estelle Marchal, Philippe Uriac, Yves Brunel, Stëphane Poigny
  • Publication number: 20110184059
    Abstract: The present invention relates to novel methylene furanone derivatives as well as the use thereof as a protective, antioxidant, or depigmentation agent in cosmetic or dermatological compositions. The invention also relates to a method for preparing said derivatives involving a Suzuki-Miyaura coupling reaction from corresponding dibromofuranone derivatives. The invention also relates to a method of preparation involving a coupling reaction of 2-methoxy-furan derivatives with a ketone followed by dehydration.
    Type: Application
    Filed: September 25, 2009
    Publication date: July 28, 2011
    Applicant: PIERRE FABRE DERMO-COSMETIQUE
    Inventors: Estelle Marchal, Philippe Uriac, Yves Brunel, Stéphane Poigny