Patents by Inventor Anders K. Bjork

Anders K. Bjork 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).

  • Method of treating therapy-resistant schizophrenia with amperozide (N-ethyl-4-(4',4'-bis(p-fluorophenyl)butyl)-1-piperazine-carboxamide
    Patent number: 5013735
    Abstract: The present invention relates to a method for treating a patient suffering from therapy-resistant schizophrenia by administering to the patient a therapeutically effective amount of amperozide.
    Type: Grant
    Filed: March 1, 1990
    Date of Patent: May 7, 1991
    Assignee: Pharmacia AB
    Inventor: Anders K. Bjork
  • Method of treating aggressive behavior and psychotic conditions employing 1-piperazinocarboxylates
    Patent number: 4656175
    Abstract: This invention relates to a method for treating human beings and animals suffering from mental disorders comprising administering to said human beings and animals an effective amount of a compound for the treatment of such mental disorders comprising a compound having the formula ##STR1## wherein R is alkyl straight or branch chained having from 1 to 10 carbon atoms, cycloalkyl having from 3 to 8 carbon atoms, aralkyl having from 7 to 9 carbon atoms or phenyl unsubstituted or substituted by one to three F, Cl, Br, lower alkyl having from 1 to 5 carbon atoms, lower alkoxy having from 1 to 5 carbon atoms, alkylenedioxy having from 1 to 3 carbon atoms, --CF.sub.3 or --CN substituents, R.sub.1 -R.sub.4 are independently H, CH.sub.3, C.sub.2 H.sub.5 with cis or trans configuration provided that only two of them are other than hydrogen, and pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: July 11, 1985
    Date of Patent: April 7, 1987
    Assignee: AB Ferrosan
    Inventors: Anders K. Bjork, Erik G. Christensson
  • 1-piperazinocarboxylates and pharmaceutical compositions containing them
    Patent number: 4624953
    Abstract: Compounds having the general formula ##STR1## as herein defined and pharmaceutically acceptable acid addition salts thereof. Pharmaceutical compositions containing said compounds. Methods of treatment of humans and animals by such compounds and compositions.
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: November 25, 1986
    Inventors: Anders K. Bjork, Erik G. Christensson
  • Diphenylbutyl-1-acylpiperazines
    Patent number: 4492698
    Abstract: Novel compounds of the formula ##STR1## wherein R' is selected from the group consisting of alkyl straight or branch chained having from 2 to 10 carbon atoms, cycloalkyl having from 3 to 8 carbon atoms, aralkyl having from 7 to 9 carbon atoms, phenyl and substituted phenyl wherein the substituents of the substituted phenyl are selected from the group consisting of one to three F, Cl, Br, lower alkyl having from 1 to 5 carbon atoms, lower alkoxy having from 1 to 5 carbon atoms, alkylenedioxy having from 1 to 3 carbon atoms, --CF.sub.3 and --CN and pharmaceutically acceptable salts thereof which have been found to have utility for therapeutic treatment of mental disorders by reducing anti-aggressive behavior and a process for making the compounds.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: January 8, 1985
    Inventors: Anders K. Bjork, Aina L. Abramo, Erik G. Christensson