Patents by Inventor Nancy Kepner

Nancy Kepner 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).

  • Platelet derived cell growth factor
    Patent number: 4350687
    Abstract: A purified cell growth factor is produced which comprises a substantially purified glycoproteinaceous factor from platelets which has mitogenic activity toward transformed cells, a molecular weight of 3,000-5,000 daltons and a pI of 7.8-8.3. The growth factor is stable to treatment with 4M guanidine hydrochloride, and is heat labile when treated at 100.degree. C. for 5 minutes.
    Type: Grant
    Filed: February 10, 1980
    Date of Patent: September 21, 1982
    Assignee: Research Corporation
    Inventors: Allan Lipton, Nancy Kepner