Patents by Inventor Isabelle Charpin

Isabelle Charpin 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).

  • Pharmaceutical and cosmetic depigmentation compositions with a caffeic acid base
    Patent number: 5164185
    Abstract: A pharmaceutical or cosmetic depigmenting composition for application to the skin so as to improve the aesthetic appearance of the skin or to treat pathological or accidental hyperpigmentation contains caffeic acid or an ester or amide thereof in an amount effective to depigment the skin.
    Type: Grant
    Filed: August 13, 1991
    Date of Patent: November 17, 1992
    Assignee: L'Oreal
    Inventors: Isabelle Charpin, Didier Candau, Quang L. N'Guyen, Christiane Montastier, Francois Millecamps