Patents by Inventor Ulf H. A. Lindberg

Ulf H. A. Lindberg 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).

  • Aralkyl esters and processes for their preparation
    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
  • Method for treatment of senile dementia
    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
  • Compounds having antidepressive activity
    Patent number: 4331684
    Abstract: A compound of the general 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 and R.sup.2 are methyl; 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. Pharmaceutical preparations containing these compounds are useful for treatment of depressive disorders.
    Type: Grant
    Filed: May 28, 1980
    Date of Patent: May 25, 1982
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Ulf H. A. Lindberg, Svante B. Ross, Seth-Olov Thorberg, Sven O. gren
  • Compounds having antidepressive activity
    Patent number: 4177291
    Abstract: A compound of the formula ##STR1## or a pharmaceutically acceptable acid addition salt thereof, in which formula the group R.sup.0 is selected from the group consisting of hydrogen, chlorine, bromine, methyl, trifluoromethyl and methoxy.Pharmaceutical compositions containing these compounds are useful for treatment of depressive disorders.
    Type: Grant
    Filed: August 23, 1977
    Date of Patent: December 4, 1979
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Ulf H. A. Lindberg, Svante B. Ross, Seth O. Thorberg, Sven O. Ogren
  • Compounds of diphenylcyclopentylamine type and methods for their preparation
    Patent number: 4141993
    Abstract: Compounds of the formula ##STR1## and pharmaceutically acceptable salts thereof, wherein X and Y are the same or different and each represents a hydrogen atom, a chloro or a methoxy group, n is an integer 0 or 1 and R.sup.1 and R.sup.2 are the same or different and each representing a hydrogen atom or a methyl group; processes for their preparation; pharmaceutical preparations containing at least one of these compounds and the use thereof in the treatment of depressive states.
    Type: Grant
    Filed: May 19, 1977
    Date of Patent: February 27, 1979
    Assignee: Astra Lakemedel Aktiebolaget
    Inventors: Bernt S. E. Carnmalm, Ulf H. A. Lindberg, Tomas De Paulis, Svante B. Ross, Nils-Erik Stjernstrom, Carl B. J. Ulff, Sven-Ove Ogren
  • Aralkyl amides having antidepressive activity
    Patent number: 4073941
    Abstract: A compound of the formula ##STR1## and pharmaceutically acceptable acid addition salts thereof, in which formula the group R.sup.o is selected from hydrogen, chlorine, bromine, methyl, trifluoromethyl and methoxy.Pharmaceutical compositions containing these compounds are useful for treatment of depressive disorders.
    Type: Grant
    Filed: August 30, 1976
    Date of Patent: February 14, 1978
    Assignee: Astra Lakemedel Aktiebolag
    Inventors: Ulf H. A. Lindberg, Svante B. Ross, Seth O. Thorberg, Sven O. Ogren