Patents by Inventor Erik Christensson

Erik Christensson 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: 5618817
    Abstract: The present invention relates to the relief or prevention of withdrawal syndrome resulting from addiction to non-opiate type drugs of abuse and/or the suppression of dependence on non-opiate type drugs of abuse by administering to a person in need thereof, an effective amount of certain diphenylbutyl-piperazine-carboxamides including 4-[4,4-bis(4-fluorophenyl)butyl]-N-ethyl-1-piperazine-carboxamide which is known as amperozide.
    Type: Grant
    Filed: April 25, 1995
    Date of Patent: April 8, 1997
    Assignee: Kabi Pharmacia AB
    Inventors: Anders Bjork, Erik Christensson
  • Patent number: 5434156
    Abstract: The present invention relates to the relief or prevention of withdrawal syndrome resulting from addiction to alcohol and/or the suppression of dependence on alcohol by administering to a person in need thereof, an effective amount certain diphenylbutyl-piperazine-carboxamides including 4-[4,4-bis(4-fluorophenyl)butyl]-N-ethyl-1-piperazine-carboxamide which is also known as amperozide.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: July 18, 1995
    Assignee: Pharmacia AB
    Inventors: Anders Bjork, Erik Christensson