Patents by Inventor Hans Dahm

Hans Dahm 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: 4168312
    Abstract: New quinolone derivatives of the Formula I ##STR1## wherein R.sup.1 and R.sup.2 are each H, F, Cl, Br, CF.sub.3 or CH.sub.3 O or a physiologically acceptable acid addition salt thereof possess pharmacological properties including thrombocyte aggregation inhibiting action.
    Type: Grant
    Filed: November 8, 1977
    Date of Patent: September 18, 1979
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventors: Erich Schacht, Hans Dahm, Reinhard Lissner