Patents by Inventor Michael David Ruff

Michael David Ruff 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).

  • Stabilized pharmaceutical composition containing bupropion
    Patent number: 5731000
    Abstract: This application discloses a method of inhibiting degradation of the antidepressant bupropion hydrochloride in a solid pharmaceutical formulation, so that the pharmaceutical formulation will maintain at least 80% of its initial bupropion potency after one year.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: March 24, 1998
    Assignee: Glaxo Wellcome Inc.
    Inventors: Michael David Ruff, Sanyasi Raju Kalidindi, Joel Elmore Sutton, Jr.