Patents by Inventor Sven-Ove gren

Sven-Ove gren 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: 4990534
    Abstract: Aralkyl esters are used to provide a potentiating effect on cholinergic responses.
    Type: Grant
    Filed: January 24, 1989
    Date of Patent: February 5, 1991
    Assignee: Aktiebolaget Astra
    Inventors: Gerd M. Hallnemo, Thomas Hogberg, Ulf H. Lindberg, Bengt C. J. Ulff, Sven Ove gren
  • Patent number: 4469707
    Abstract: A method for treatment of senile dementia comprising administration to a patient of a therapeutically effective amount of a compound of the formula ##STR1## and pharmaceutically acceptable salts thereof, in which formula the groups R.sup.0 are the same or different and are selected from the group consisting of hydrogen, halogen, alkyl having 1, 2 or 3 carbon atoms, and alkoxy having 1, 2 or 3 carbon atoms; R.sup.1 is hydrogen, methyl or ethyl; R.sup.2 is methyl or ethyl; R.sup.3 and R.sup.4 are the same or different and are hydrogen or an alkyl group having 1, 2 or 3 carbon atoms; and n is 0, 1 or 2.
    Type: Grant
    Filed: June 2, 1983
    Date of Patent: September 4, 1984
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Ulf H. A. Lindberg, Sven-Ove gren