Patents by Inventor Hans Sonneborn

Hans Sonneborn 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).

  • Use of tetrahydrobiopterin to enhance the proliferative activity of interleukin-2 on T cells
    Patent number: 4752573
    Abstract: The use of pterins to increase the activity of lymphokines and other cell growth factors, and a diagnostic or theraupeutic preparation that contains pterins combined with lymphokines. Adding pterins to lymphokines can increase the activity of the lymphokines by 3 to 5 times.
    Type: Grant
    Filed: April 8, 1986
    Date of Patent: June 21, 1988
    Assignees: Biotest-Serum-Institut GmbH, Gesellschaft fur Strahlen-und Umweltforschung mbH
    Inventors: Irmgard Ziegler, Udo Schwulera, Hans Sonneborn