Patents by Inventor Harry M. Geyer

Harry M. Geyer 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).

  • Isoquinoline derivatives, processes for their manufacture and their use for the manufacture of medicaments
    Patent number: 4282223
    Abstract: Isoquinolines of the formula ##STR1## of which representative compounds are such as 3-N-methylpiperazino-1-phenyl-isoquinoline-4-aldehyde, 3-N-methylpiperazino-1-(2-fluorophenyl)-isoquinoline-4-aldehyde, or 3-N-[3-(4-fluoro-benzoyl)-propyl]-piperazino-1-phenyl-isoquinoline-4-aldeh yde and medicaments containing the isoquinolines which are useful as antidepressants.
    Type: Grant
    Filed: September 19, 1979
    Date of Patent: August 4, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wilhelm Bartmann, Elmar Konz, Hansjorg Kruse, Harry M. Geyer
  • 3-Piperidino or apiperazino-1-phenyl or 1-substituted phenyl isoquinoline and antidepressant compositions thereof
    Patent number: 4282222
    Abstract: Isoquinolines of the formula ##STR1## in which R.sub.1 is piperidino, piperazino or piperazino N-substituted thereof by alkyl of 1 to 4 carbon atoms, alkylene of 1 to 4 carbon atoms wherein said alkylene is substituted in turn by fluorobenzoyl, or CHO; R.sub.2 is phenyl or phenyl substituted by alkyl of 1 to 4 carbon atoms, halogen, amino or nitro; and R.sub.3 is hydrogen or halogen, a process for their preparation and medicaments containing the isoquinolines, especially the use of said medicaments as antidepressants.
    Type: Grant
    Filed: September 12, 1979
    Date of Patent: August 4, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wilhelm Bartmann, Elmar Konz, Harry M. Geyer