Patents by Inventor Dwayne A Campbell

Dwayne A Campbell 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).

  • Pharmaceutical composition
    Patent number: 8821927
    Abstract: Oral pharmaceutical formulations containing ditosylate salts of 4-quinazolineamines are described as well as methods of using the same in the treatment of disorders characterized by aberrant erbB family PTK activity.
    Type: Grant
    Filed: April 18, 2006
    Date of Patent: September 2, 2014
    Assignee: SmithKline Beecham (Cork) Limited
    Inventors: Barry Howard Carter, Dwayne A Campbell
  • Systems for controlling evaporative drying processes using environmental equivalency
    Patent number: 6770141
    Abstract: Methods and systems for controlling evaporative drying processes using environmental equivalency control process parameters to provide a specified product quality. In an environmental equivalency-based control system, measured values are received by environmental equivalency calculation hardware or software. An environmental equivalency value is calculated based on the measured parameters. One or more of the process parameters may then be varied to maintain the environmental equivalency value for the process within a predetermined range of environmental equivalency values.
    Type: Grant
    Filed: March 26, 2002
    Date of Patent: August 3, 2004
    Assignee: SmithKline Beecham Corporation
    Inventors: Dwayne A Campbell, Joseph T. Marranca, Raymond E. Pope, Robert Allen Stagner