Patents by Inventor Richard E. Ford

Richard E. Ford 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).

  • Method for preventing crystal formation in a dispersion of a liquid in a matrix
    Patent number: 6569448
    Abstract: An improved method for the manufacture of transdermal drug delivery devices comprising liquid dispersions of a liquid in an aqueous or nonaqueous matrix is disclosed. More particularly, the invention relates to preventing the formation of a crystalline structure in such liquid dispersions by annealing films and laminates in-line immediately following film formation and/or lamination during the manufacture of these devices.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: May 27, 2003
    Assignee: Alza Corporation
    Inventors: John W. Dohner, Scott A. Bura, Richard E. Ford
  • METHOD FOR PREVENTING CRYSTAL FORMATION IN A DISPERSION OF A LIQUID IN A MATRIX
    Publication number: 20010038850
    Abstract: An improved method for the manufacture of transdermal drug delivery devices comprising liquid dispersions of a liquid in an aqueous or nonaqueous matrix is disclosed. More particularly, the invention relates to preventing the formation of a crystalline structure in such liquid dispersions by annealing films and laminates in-line immediately following film formation and/or lamination during the manufacture of these devices.
    Type: Application
    Filed: September 1, 1998
    Publication date: November 8, 2001
    Inventors: JOHN W. DOHNER, SCOTT A. BURA, RICHARD E. FORD
  • Method for preventing crystal formation in a dispersion of a liquid in a matrix
    Patent number: 6238700
    Abstract: An improved method for the manufacture of transdermal drug delivery devices comprising liquid dispersions of a liquid in an aqueous or nonaqueous matrix is disclosed. More particularly, the invention relates to preventing the formation of a crystalline structure in such liquid dispersions by annealing films and laminates in-line immediately following film formation and/or lamination during the manufacture of these devices.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: May 29, 2001
    Assignee: ALZA Corporation
    Inventors: John W. Dohner, Scott A. Bura, Richard E. Ford