Patents by Inventor Jean C. Grognet

Jean C. Grognet 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).

  • Cosmetic containing benzotriazole diorganopolysiloxanes
    Patent number: 5089250
    Abstract: The cosmetic use is described, in particular for use as a UV filter, of benzotriazole diorganopolysiloxanes having either formula: ##STR1## where R is C.sub.1 -C.sub.10 alkyl, phenyl or 3,3,3-trifluoropropyl, B is R or A, r=0-200, s=0-50, or formulas: ##STR2## where u=1-20, t=0-20 and t+u.gtoreq.3.A and/or B represent a benzotriazole C.sub.3 -C.sub.12 alkylene which may be substituted.
    Type: Grant
    Filed: February 13, 1990
    Date of Patent: February 18, 1992
    Assignee: L'Oreal
    Inventors: Serge Forestier, Gerard Lang, Herve Richard, Jean C. Grognet