Patents by Inventor Oddvar Tangen

Oddvar Tangen 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).

  • In vitro method of determining the biological activity of factor Xa inhibitor in blood
    Patent number: 4139415
    Abstract: The present invention concerns an in vitro method for the determination of the plasma inhibitor to activated Factor X (XaI), which is an alpha-2-globulin of molecular weight 58,000-65,000, and which has been termed variously as antithrombin III, heparin cofactor and alpha-2-antitrypsin.
    Type: Grant
    Filed: November 23, 1976
    Date of Patent: February 13, 1979
    Assignee: Pharmacia AB
    Inventors: Ee T. Yin, Oddvar Tangen