Patents by Inventor Janelle Van Arsdell

Janelle Van Arsdell 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).

  • Human tumor necrosis factor
    Patent number: 4677063
    Abstract: Human tumor necrosis factor (TNF) has been prepared using recombinant methods. A human promyelocytic leukemia cell line has been induced using an improved induction procedure, and the TNF purified to homogeneity. Methods, vectors, and cells useful in obtaining human TNF in practical amounts are disclosed. Muteins having N-terminal deletions, which muteins have superior biological activity, are also disclosed.
    Type: Grant
    Filed: July 30, 1985
    Date of Patent: June 30, 1987
    Assignee: Cetus Corporation
    Inventors: David F. Mark, Alice M. Wang, Martha B. Ladner, Abla A. Creasey, Leo S. Lin, Janelle Van Arsdell