Patents by Inventor Frank Kayser

Frank Kayser 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).

  • Triterpene derivatives with immunosuppressant activity
    Patent number: 5696156
    Abstract: The compounds of Formula I ##STR1## are useful as immunosuppressive agents.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: December 9, 1997
    Assignee: Merck & Co. Inc.
    Inventors: Robert K. Baker, Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht
  • Triterpene derivatives with immunosuppressant activity
    Patent number: 5679705
    Abstract: The compounds of Formula I ##STR1## are useful as immunosuppressive agents.
    Type: Grant
    Filed: October 16, 1996
    Date of Patent: October 21, 1997
    Assignee: Merck & Co., Inc.
    Inventors: Robert K. Baker, Frank Kayser, Jianming Bao, William H. Parsons, Kathleen M. Rupprecht