Patents by Inventor Iris K. M. Leung

Iris K. M. 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).

  • Peptide/protein suspending formulations
    Patent number: 5972370
    Abstract: The present invention provides improved compositions for improving the chemical and physical stability of peptides and proteins. The invention provides a liquid beneficial agent formulation containing a liquid suspension comprising at least 5% by weight beneficial agent and having a viscosity and beneficial agent size which minimizes settling of the agent in suspension over the extended delivery period.
    Type: Grant
    Filed: January 28, 1999
    Date of Patent: October 26, 1999
    Assignee: Alza Corporation
    Inventors: James B. Eckenhoff, deceased, Leslie A. Holladay, John Joseph Leonard, Jr., Iris K. M. Leung, Sally A. Tao, Judy A. Magruder, John P. Carr, Jeremy C. Wright
  • Peptide/protein suspending formulations
    Patent number: 5904935
    Abstract: The present invention provides improved compositions for improving the chemical and physical stability of peptides and proteins. The invention provides a liquid beneficial agent formulation containing a liquid suspension comprising at least 5% by weight beneficial agent and having a viscosity and beneficial agent size which minimizes settling of the agent in suspension over the extended delivery period.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 18, 1999
    Assignee: ALZA Corporation
    Inventors: James B. Eckenhoff, deceased, Leslie A. Holladay, John Joseph Leonard, Jr., Iris K. M. Leung, Sally A. Tao, Judy A. Magruder, John P. Carr, Jeremy Wright