Patents by Inventor Willi Stammberger

Willi Stammberger 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).

  • Stabilized polymer film coated compounds and stabilized formulations in compressed from using same
    Patent number: 5442008
    Abstract: Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulationsStabilized compounds of the formula I ##STR1## in which R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the stated meanings, and a process for the preparation thereof, are described. The stabilized compounds are suitable for the manufacture of medicinal formulations. The formula I compounds are stabilized by a polymeric protective coating before being compressed in tablet form.
    Type: Grant
    Filed: February 10, 1994
    Date of Patent: August 15, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Fulberth, Richard Leeb, Manfred Radau, Willi Stammberger
  • Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulations
    Patent number: 5151433
    Abstract: Stabilized compounds of the formula I ##STR1## in which R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the stated meanings, and a process for the preparation thereof, are described. The stabilized compounds are suitable for the manufacture of medicinal formulations.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: September 29, 1992
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Fulbreth, Richard Leeb, Manfred Radau, Willi Stammberger
  • Acesulfam-containing composition tablets on the basis thereof and process for the manufacture of these tablets
    Patent number: 4552771
    Abstract: Composition containing acesulfam or a salt thereof, a soluble, CO.sub.2 -yielding compound, optionally a physiologically acceptable acid as auxiliary, and gelatin powder as dry binder, and its use for the manufacture of tablets.
    Type: Grant
    Filed: November 21, 1983
    Date of Patent: November 12, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Fulberth, Alfred Sickmuller, Willi Stammberger
  • Medicinal composition and its use as antidepressive agent
    Patent number: 4189478
    Abstract: What is disclosed are medicinal compositions, useful as anti-depressive agents, containing a compound of the formula; ##STR1## in which R.sub.1, R.sub.3 and R.sub.4, which may be identical or different, and represent hydrogen atoms or lower alkyl or aralkyl groups, and R.sub.2 and R.sub.2 ', which may be identical or different, represent hydrogen or halogen atoms, hydroxy or trifluoromethyl groups or lower alkyl, alkoxy or aralkoxy groups, it also being possible that two adjacent radicals form an alkylene-dioxy radical, and R.sub.5 represents a hydrogen or halogen atom, a hydroxy, trifluoromethyl or nitro group or a lower alkyl, alkoxy or aralkoxy radical, and their salts with acids (active substance A) together with 7-chloro-1-methyl-5-phenyl-1H-1,5-benzodiazepine-2,4 (3H,5H)-dione (active substance B), and their use as antidepressive agent.
    Type: Grant
    Filed: May 30, 1978
    Date of Patent: February 19, 1980
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Karl Schmitt, Irmgard Hoffmann, Werner Fulberth, Willi Stammberger