Patents by Inventor Stefan Niewarowski

Stefan Niewarowski 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).

  • Heparin neutralization with platelet factor 4
    Patent number: 5204321
    Abstract: Circulating heparin in a mammal may be neutralized without substantial depletion of platelets or leukocytes by administering to the mammal a heparin neutralizing amount of purified PF4 or rPF4 or a heparin neutralizing fragment thereof.
    Type: Grant
    Filed: June 23, 1992
    Date of Patent: April 20, 1993
    Assignee: Repligen Corporation
    Inventors: Jacquelynn J. Cook, Stefan Niewarowski, Theodore E. Maione