Patents by Inventor Gabriele Deckers

Gabriele Deckers 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).

  • Arylpolyenecarboxylic acids and their derivatives as sunscreen agents in cosmetic preparations
    Patent number: 5320833
    Abstract: Arylpolyenecarboxylic acids and their derivatives of the formula I ##STR1## where Ar is phenyl, biphenylyl or naphthyl, each of which can be substituted by one to three C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, hydroxyl or phenoxy groups, or amino groups which can be mono- or di-substituted by C.sub.1 -C.sub.4 -alkyl groups, or one methylenedioxy group, it being possible for the substituents to be identical or different,R.sup.1 is hydrogen, an alkali metal or ammonium cation, C.sub.1 -C.sub.20 -alkyl or C.sub.2 -C.sub.20 -alkenyl,R.sup.2 is C.sub.1 -C.sub.8 -alkyl,R.sup.3 to R.sup.7 are each hydrogen or C.sub.1 -C.sub.4 -alkyl, andn is 0 or 1are used as sunscreen agents in cosmetic preparations.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: June 14, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Gabriele Deckers, Rainer Becker, Bernd Wenderoth, Norbert Goetz, Karin Sperling-Vietmeier