Patents by Inventor Bo Lennart Karlen

Bo Lennart Karlen 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).

  • Oxotremorine antagonists
    Patent number: 3959311
    Abstract: A new class of amino-imide compounds is disclosed in which a 2-oxo-cycloalkylimide group and an amino group are joined by a chain containing acetylenic unsaturation. The compounds are effective to antagonize the tremorogenic effect of oxotremorine and possess valuable pharmaceutical properties due to a strong central anti-cholinergic effect.
    Type: Grant
    Filed: May 24, 1974
    Date of Patent: May 25, 1976
    Assignee: Aktiebolaget Astra
    Inventors: Johan Richard Dahlbom, Bo Lennart Karlen, Sune Gunnar Lindgren