Patents by Inventor Per Helge Gulliksen

Per Helge Gulliksen 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).

  • Thermally stabilized contrast agent
    Patent number: 6562320
    Abstract: This invention relates to a freeze-dried vesicle containing ultrasound contrast agent containing a freeze-drying stabilizer and thermally stable at temperatures in excess of 20° C.
    Type: Grant
    Filed: June 26, 2000
    Date of Patent: May 13, 2003
    Assignee: Amersham Health AS
    Inventors: Marit Swaerd-Nordmo, Per Helge Gulliksen, Jorunn Undheim Braenden, Anne Kjersti Fahlvik
  • Thermally stabilized ultrasound contrast agent
    Patent number: 6165442
    Abstract: This invention relates to a freeze-dried vesicle containing ultrasound contrast agent containing a freeze-drying stabilizer and thermally stable at temperatures in excess of 20.degree. C.
    Type: Grant
    Filed: May 14, 1998
    Date of Patent: December 26, 2000
    Assignee: Nycomed Imaging AS
    Inventors: Marit Swaerd-Nordmo, Per Helge Gulliksen, Jorunn Undheim Braenden, Anne Kjersti Fahlvik