Patents by Inventor Dag Harald Knappskog

Dag Harald Knappskog 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).

  • Oil-based and water-based adjuvant mixture
    Patent number: 5804199
    Abstract: The invention relates to a vaccine comprising an antigenic substance and a mixture of two adjuvants wherein one adjuvant is oil-based whereas the other adjuvant is water-based.
    Type: Grant
    Filed: July 22, 1996
    Date of Patent: September 8, 1998
    Assignee: Akzo Nobel N. V.
    Inventors: Per Martin Aasjord, Audun Helge Nerland, Dag Harald Knappskog