Patents by Inventor Kevin J. Mullins

Kevin J. Mullins 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).

  • Osmotic capsule
    Patent number: 4627850
    Abstract: An osmotic capsule is disclosed for delivering a beneficial agent formulation to an environment of use. The osmotic capsule comprises an outer semipermeable wall surrounding and laminating an inner capsule wall formed of a different polymeric composition than the outer wall. The walls define an interior space containing the beneficial agent formulation. A passageway through the walls connects the exterior of the osmotic capsule with the interior of the osmotic capsule.
    Type: Grant
    Filed: November 2, 1983
    Date of Patent: December 9, 1986
    Assignee: ALZA Corporation
    Inventors: Joseph C. Deters, Felix Theeuwes, Kevin J. Mullins, James B. Eckenhoff