Patents by Inventor Albert Westermann

Albert Westermann 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: 4013663
    Abstract: Isoquinoline compounds having .beta.-receptor blocking activity, particularly for the heart, and having the formula ##STR1## and salts thereof with physiologically tolerable acids, wherein R.sub.1 is hydrogen or methyl, R.sub.2 is hydrogen or lower alkyl, R.sub.3 is hydrogen or methoxy, and R.sub.4 is isopropyl or tertiary butyl. A method for making such compounds. Pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: March 22, 1977
    Assignee: Knoll A.G. Chemische Fabriken
    Inventors: Albert Westermann, Frank Zimmermann, Dirk Wuppermann, Ludwig Friedrich, Manfred Raschack