Patents by Inventor Jean-Pierre Cosson

Jean-Pierre Cosson 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).

  • Depigmenting cosmetic or dermatological composition containing arbutoside derivatives
    Patent number: 5346693
    Abstract: A cosmetic or dermatological composition contains as an active ingredient at least one arbutoside derivative with the following general formula: ##STR1## wherein: R represents an unsaturated aliphatic or aromatic hydroxylated residue having 4 to 16 carbon atoms, and R' represents a hydrogen atom or the ##STR2## radical. Ar represents a phenyl radical that may be substituted by one or more hydroxyl groups. Applications of the composition include the bleaching of skin and the treatment of pigmented spots.
    Type: Grant
    Filed: July 17, 1992
    Date of Patent: September 13, 1994
    Assignee: L'Oreal
    Inventors: Eric Pilleux, Ming Li, Jean-Pierre Cosson, Daniel Guenard, Thierry Sevenet, Pierre Potier