Patents Assigned to Biotest Pharma
  • Stabilized interleukin-2
    Patent number: 4904467
    Abstract: An interleukin-2 preparation that is extremely pure, stable when stored for a long time, and appropriate for therapeutic purposes, especially in humans, and that also exhibits sufficient activity even after being frozen and thawed several times is obtained by using a special albumin, globulin, or mixture of those substances with sugar alcohols, monomeric or polymeric sugars, gelatins, or other known stabilizers as stabilizers.
    Type: Grant
    Filed: June 23, 1987
    Date of Patent: February 27, 1990
    Assignee: Biotest Pharma
    Inventor: Udo Schwulera