Patents by Inventor Gloria K. Cheal

Gloria K. Cheal 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).

  • Regioselective synthesis of rapamycin derivatives
    Publication number: 20010039338
    Abstract: This invention provides a regioselective process for preparing a 42-ester or ether of rapamycin, and 31-silyl ether intermediates.
    Type: Application
    Filed: June 7, 2001
    Publication date: November 8, 2001
    Applicant: American Home Products Corporation
    Inventors: Chia-Cheng Shaw, John Sellstedt, Razzak Noureldin, Gloria K. Cheal, Genevieve Fortier
  • Regioselective synthesis of rapamycin derivatives
    Patent number: 6277983
    Abstract: This invention provides a regioselective process for preparing a 42-ester or ether of rapamycin, and 31-silyl ether intermediates.
    Type: Grant
    Filed: September 27, 2000
    Date of Patent: August 21, 2001
    Assignee: American Home Products Corporation
    Inventors: Chia-Cheng Shaw, John Sellstedt, Razzak Noureldin, Gloria K. Cheal, Genevieve Fortier