Patents by Inventor Gerd Driesen

Gerd Driesen 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).

  • Tetrahydroquinoline derivatives, their use and pharmaceutical formulations containing them
    Patent number: 4845099
    Abstract: Derivatives of tetrahydroquinoline of the formula I ##STR1## and acid addition salts thereof, wherein n denotes 2, 3, 4, 5 or 6, R.sup.1 denotes, for example, alkyl, phenyl or pyridyl, R.sup.2 denotes the radical ##STR2## R.sup.3 and R.sup.4 independently of one another denote, for example, hydrogen, alkyl or cycloalkyl and R.sup.5 denotes, for example, hydrogen, alkyl or phenyl, have useful pharmacological properties.
    Type: Grant
    Filed: September 22, 1987
    Date of Patent: July 4, 1989
    Assignee: Cassella Aktiengesellschaft
    Inventors: Wolfgang Ruger, Gerd Driesen, Helmut Bohn, Piero Martorana