Patents by Inventor Tien Wen Tao Wiedmann

Tien Wen Tao Wiedmann 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).

  • Patent number: 5843452
    Abstract: A composition for use in immunosuppression therapy is disclosed. The composition includes an immunosuppressant drug, such as cyclosporin A, and an ethanol extract of the root xylem of Tripterygium wilfordii. The extract is effective alone, or in combination with such an immunosuppressant, in the treatment of transplantation rejection. Also disclosed is a method of immunosuppression that includes administering to a subject a pharmaceutically effective amount of an immunosuppressant drug and an extract of the type above, in an amount effective to potentiate the action of the drug.
    Type: Grant
    Filed: June 2, 1994
    Date of Patent: December 1, 1998
    Assignee: Pharmagenesis, Inc.
    Inventors: Tien-Wen Tao Wiedmann, Jian Wang, Nathan B. Pliam, Hank C. K. Wuh
  • Patent number: 5759550
    Abstract: An improved method for suppressing xenograft rejection in a host subject is disclosed. The method includes administering an immunosuppressant drug, where the drug or the amount of drug administered is, by itself, ineffective to suppress xenograft rejection. Effective xenograft suppression is achieved by also administering an ethanolic extract of Triterygium wilfordii or a purified triptolide component thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: June 2, 1998
    Assignee: Pharmagenesis, Inc.
    Inventors: Tien Wen Tao Wiedmann, Jian Wang