Patents by Inventor Monica L.-S. Tsang

Monica L.-S. Tsang 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).

  • Heterodimer form of transforming growth factor-beta
    Patent number: 4931548
    Abstract: A polypeptide transforming growth factor found in porcine platelets, having activity in the TGF-.beta. assay and a molecular weight of about 25 kDa. The factor is a heterodimer, one chain of which has an N-terminal sequence very different from human platelet TGF-.beta., and the other chain of which has an N-terminal sequence identical to that of human platelet TGF-.beta.. The factor is purified using gel filtration and reverse phase HPLC.
    Type: Grant
    Filed: January 30, 1987
    Date of Patent: June 5, 1990
    Assignee: Techne Corporation
    Inventors: Roger C. Lucas, James A. Weatherbee, Monica L.-S. Tsang