Patents by Inventor Paul J. Harrison

Paul J. Harrison 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).

  • Medicaments in sustained release unit dose form
    Patent number: 4806361
    Abstract: Sustained-release compositions for oral administration comprising medicament-coated nonpareils surrounded by a sustaining coating of at least three admixed polymers afford exceptionally good plasma levels of the medicament.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: February 21, 1989
    Assignee: Sterling Drug Inc.
    Inventors: Paul J. Harrison, John R. Langridge, Christopher J. Potter
  • Unit dosage form of sparingly soluble medicaments
    Patent number: 4717569
    Abstract: Pharmaceutical compositions of a polycyclic medicament having very low solubility in water and aqueous media comprise a plurality of beads, each bead comprising particles of finely divided medicament, which may have a particulate core or filler, bound together by a water soluble binder.
    Type: Grant
    Filed: May 24, 1985
    Date of Patent: January 5, 1988
    Assignee: Sterling Drug Inc.
    Inventors: Paul J. Harrison, John R. Langridge, Christopher J. Potter