Patents by Inventor Johan R. M. Lundkvist

Johan R. M. Lundkvist 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).

  • (R)-5-carbamoyl-8-fluoro-3-N,N-disubstituted-amino-3,4-dihydro-2H-1-benzo pyrans
    Patent number: 5616610
    Abstract: Compounds of the general formula ##STR1## wherein R.sub.1 is n-propyl or cyclobutyl;R.sub.2 is isopropyl, tertiary butyl, cyclobutyl, cyclopentyl or cyclohexyl;R.sub.3 is hydrogen;R.sub.4 is hydrogen or methyl;as (R)-enantiomer in the form of free base or pharmaceutically acceptable salts thereof, process for their preparation, pharmaceutical composition, use of and method of treatment of disorders in CNS.
    Type: Grant
    Filed: January 4, 1995
    Date of Patent: April 1, 1997
    Assignee: Astra Aktiebolag
    Inventors: John L. Evenden, Eva M. Hammarberg, Hans S. Hansson, Sven E. Hellberg, Lars G. Johansson, Johan R. M. Lundkvist, Svante B. Ross, Daniel D. Sohn, Seth O. Thorberg