Patents by Inventor Volker Hitzel

Volker Hitzel 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).

  • Patent number: 3950524
    Abstract: Sulfonamidopyrimidines of the formula ##SPC1##In which X is a 6-membered heteroaromatic ring including 1 to 2 nitrogen atoms which may be substituted with 1 or 2 methyl groups and/or fused with benzene and is linked in vicinal position with regard to the nitrogen atom to the rest of the molecule,R is alkyl or alkoxy, having 1 to 4 carbon atoms each, their manufacture and their use as hypoglycemic agents.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: April 13, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Volker Hitzel, Rudi Weyer, Walter Aumuller