Patents by Inventor De-Mei Leung

De-Mei Leung 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 preparing pharmaceutical compositions containing crystalline anhydrous mycophenolate mofetil salts
    Patent number: 5545637
    Abstract: The crystalline anhydrous salt formed by complexing mycophenolate mofetil with an anion selected from the group chloride, sulfate, phosphate and acetate (in particular the hydrochloride salt), and pharmaceutical compositions, intravenous formulations and a kit thereof, and associated methods of treatment.
    Type: Grant
    Filed: June 2, 1995
    Date of Patent: August 13, 1996
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Roger C. Fu, De-Mei Leung, Jeffrey S. Fleitman, Michele C. Rizzolio, Andrew R. Miksztal
  • Crystalline anhydrous mycophenolate mofetil and intravenous formulation thereof
    Patent number: 5543408
    Abstract: The crystalline anhydrous salt formed by complexing mycophenolate mofetil with an anion selected from the group chloride, sulfate, phosphate and acetate (in particular the hydrochloride salt), and pharmaceutical compositions, intravenous formulations and a kit thereof, and associated methods of treatment.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: August 6, 1996
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Roger C. Fu, De-Mei Leung, Jeffrey S. Fleitman, Michele C. Rizzolio, Andrew R. Miksztal