Patents by Inventor Stefan Wohlfeil

Stefan Wohlfeil 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).

  • Cyclic-substituted imidazolyl-propenoic acid derivatives
    Patent number: 5225428
    Abstract: Cyclic-substituted imidazolyl-propenoic acid derivatives can be prepared by reaction of aldehydes and subsequent elimination of water. The cyclic-substituted imidazolylpropenoic acid derivates are suitable as active substances in medicaments, in particular for the treatment of high blood pressure and atherosclerosis.
    Type: Grant
    Filed: September 21, 1992
    Date of Patent: July 6, 1993
    Assignee: Bayer Aktiengesellschaft
    Inventors: Thomas Kramer, Jurgen Dressel, Rudolf Hanko, Walter Hubsch, Ulrich Muller, Matthias Muller-Gliemann, Martin Beuck, Stanislav Kazda, Johannes-Peter Stasch, Andreas Knorr, Stefan Wohlfeil