Patents by Inventor Bengt Erik Sigvard Kjellberg

Bengt Erik Sigvard Kjellberg 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).

  • Diphenylbutylpiperidines
    Patent number: 4024264
    Abstract: Novel 4,4-diphenylbutyl-1-(4-benzoyl-4-hydroxy or acyloxy)-piperidines and acid addition salts thereof, useful as central depressants, e.g., neuroleptics (anti-psychotics), are disclosed. Methods of making same, pharmaceutical compositions thereof, a method of treating therewith, and important and novel intermediates for the production thereof, namely, 4-benzoyl-4-hydroxypiperidines, are also disclosed, as well as 4-benzoyl-1-(4,4-diphenylbutyl)-piperidines, which are also useful intermediates.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: May 17, 1977
    Assignee: AB Ferrosan
    Inventors: Anders Karl Konrad Bjork, Sven Erik Harry Hernestam, Bengt Erik Sigvard Kjellberg
  • Neuroleptic piperidine compounds
    Patent number: 4021564
    Abstract: Novel 1-substituted-4-aroyl-4-hydroxy and -4-acyloxypiperidines and acid addition salts thereof, useful as central nervous system depressants and neuroleptics with pronounced antipsychotic effects, are disclosed. Methods of making same, pharmaceutical compositions thereof, a method of treating therewith, and important and novel intermediates for the production thereof, are also disclosed.
    Type: Grant
    Filed: May 3, 1976
    Date of Patent: May 3, 1977
    Assignee: AB Ferrosan
    Inventors: Sven Erik Harry Hernestam, Anders Karl Konrad Bjork, Aina Lisbeth Abramo, Bengt Erik Sigvard Kjellberg