Patents by Inventor Steven K. Foung

Steven K. Foung 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).

  • Process for making T cell hybridomas
    Patent number: 4950598
    Abstract: Human T-T hybridomas are made by fusing an azaserine-hypoxanthine (AH) sensitive T leukemia cell line, preferably the AH-sensitive mutant of the Jurkat leukemia line identified as J3R7, with normal T cells and culturing the fusion product in a selective AH medium. Stable, interleukin-2 (IL-2)-producing human T-T hybridomas were made by this process.
    Type: Grant
    Filed: September 19, 1985
    Date of Patent: August 21, 1990
    Assignees: The Board of Trustees of the Leland Stanford Junior University, Cetus Corporation
    Inventors: Edgar G. Engleman, James W. Larrick, Andrew A. Raubitschek, Steven K. Foung