Patents by Inventor Austel: Volkhard

Austel: Volkhard 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 imino derivatives, processes for preparing them and pharmaceutical compositions containing these compounds
    Patent number: 5576444
    Abstract: Cyclic imino derivatives of the formulaB--X.sub.2 --X.sub.1 --A--Y--E (I)wherein A, B, E, X.sub.1, X.sub.2 and Y are as defined herein, the stereoisomers, tautomers, mixtures and addition salts thereof, pharmaceutical compositions containing these compounds and processes for preparing them. The cyclic imino derivatives are useful as inhibitors of cell-cell and cell-matrix interactions, e.g., thrombocyte aggregation.
    Type: Grant
    Filed: April 26, 1993
    Date of Patent: November 19, 1996
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Frank Himmelsbach, Austel Volkhard, Helmut Pieper, Guenter Linz, Johannes Weisenberger, Thomas Mueller
  • Heterobiarly derivatives and pharmaceutical compositions thereof
    Patent number: 5418233
    Abstract: Heterobiaryl derivatives of the formulaR.sub.1 NH--X.sub.1 --X.sub.2 --X.sub.3 --Y.sub.1 --Y.sub.2 --Y.sub.3 --Y.sub.4 --E (I)whereinR.sub.1, X.sub.1 to X.sub.3 and Y.sub.1 to Y.sub.4 are as defined herein, the tautomers, stereoisomers and mixtures thereof, and the salts, particularly the physiologically acceptable salts, thereof with organic or inorganic acids or bases. The derivatives have valuable pharmacological properties, such as inhibiting cell-cell aggregation and cell-matrix interactions.
    Type: Grant
    Filed: October 14, 1992
    Date of Patent: May 23, 1995
    Assignee: Karl Thomae GmbH
    Inventors: Guenter Linz, Helmut Pieper, Frank Himmelsbach, Austel: Volkhard, Thomas Mueller, Johannes Weisenberger, Elke Seewaldt-Becker