Patents by Inventor Joseph C. Oeters

Joseph C. Oeters 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).

  • Patent number: 4783337
    Abstract: An osmotic system is disclosed comprising a wall comprising in at least a part of a semipermeable material that surrounds a compartment. The compartment contains a first osmotic composition comprising a beneficial drug selected from the group consisting of a calcium antagonist, angiotensin enzyme inhibitor and nonsteroidal antiinflammatory drugs, and a second and different osmotic composition. A passageway in the wall connects the first composition with the exterior of the system.
    Type: Grant
    Filed: September 29, 1986
    Date of Patent: November 8, 1988
    Assignee: ALZA Corporation
    Inventors: Patrick S.-L. Wong, Brian L. Barclay, Joseph C. Oeters, Felix Theeuwes