Patents by Inventor Gerd-Albrecht Luckenbach

Gerd-Albrecht Luckenbach 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).

  • Diterpenes having immunomodulatory action
    Patent number: 5508390
    Abstract: Diterpenes of the formula I ##STR1## in which R.sup.1 is --CH.sub.2 --C(CH.sub.3).dbd.CH--R.sup.3 or --CH.sub.2 --CH(CH.sub.3)--CH.sub.2 --R.sup.3,R.sup.3 is --CH.sub.2 OH, --CHO, --COOH or --COOR.sup.4,R.sup.4 is alkyl having 1 to 5 C atoms,A is ##STR2## and R.sup.2 is H, pentoses, hexoses, di-/oligosaccharides or amino sugars,are suitable for production of medicaments having immunomodulatory action, in particular stimulating T-cells.
    Type: Grant
    Filed: February 15, 1991
    Date of Patent: April 16, 1996
    Assignee: Merck Patent Gesellschaft mit Beschrankter Haftung
    Inventors: Hans-Eckart Radunz, Michael Wolf, Manfred Baumgarth, Willy Kinzy, Gerd-Albrecht Luckenbach