Patents by Inventor Ta-Cheng Tung

Ta-Cheng Tung 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).

  • Abrin composition of reduced toxicity
    Patent number: 4062949
    Abstract: A pharmaceutical composition comprising abrin and nucleic acid wherein the ratio of abrin to nucleic acid is about 1:40 by weight is provided. The composition has less toxicity than abrin alone.
    Type: Grant
    Filed: April 22, 1975
    Date of Patent: December 13, 1977
    Assignee: Eisai Co., Ltd.
    Inventors: Ta-Cheng Tung, Jung-Yaw Lin