Patents by Inventor Norbert Banduhn

Norbert Banduhn 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).

  • Sebosuppressive topical preparations
    Patent number: 4939171
    Abstract: Alkyl and alkenyl aryl ether derivatives corresponding to the formula: ##STR1## in which R.sup.1 is a saturated cycloaliphatic C.sub.6 -C.sub.20 alkyl group or a mono- or polyunsaturated, linear, branched or cycloaliphatic C.sub.6 -C.sub.20 alkyl group and R.sup.2 is a C.sub.1 -C.sub.4 hydroxyalkyl group, a C.sub.3 or C.sub.4 hydroxyalkenyl group, a group --COOR.sup.3, --CH.sub.2 --COOR.sup.3, --CH.sub.2 --CH.sub.2 --COOR.sup.3 or --CH.dbd.CH--COOR.sup.3, are suitable as sebosuppressive agents in cosmetic or pharmaceutical preparations for topical application to the hair and to the skin.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: July 3, 1990
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Hinrich Moeller, Norbert Banduhn