Patents by Inventor Tor-Bjorn Wiman

Tor-Bjorn Wiman 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).

  • Method of performing tissue plasminogen activator assay
    Patent number: 5175087
    Abstract: The present invention relates to an improved method for collecting blood. The present invention also relates to a method of collecting blood whereby tissue plasminogen, tissue plasminogen activator inhibitor and other serine proteases, serine protease inhibitors and components that are produced or destroyed through the action of serine proteases in collected blood are stabilized. In addition, the present invention provides a method for collecting blood that reduces the hemolysis (lysis of red blood cells). Using the blood collecting method of the present invention, reliable control plasmas can be manufactured.
    Type: Grant
    Filed: August 11, 1989
    Date of Patent: December 29, 1992
    Assignee: Biopool International, Inc.
    Inventors: Mats G. Ranby, Tor-Bjorn Wiman