Patents by Inventor Wendy Ann Preston

Wendy Ann Preston 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: 5776489
    Abstract: A controlled release pharmaceutical composition in oral dosage unit form comprising a hard or a soft shell capsule containing a filling comprising a therapeutically effective number of active spherical granules comprising an effective amount of at least one carbonic anhydrase inhibitor active medicament, a pharmaceutically acceptable normally solid diluent adapted to form a diffusable matrix for the carbonic anhydrase inhibitor active medicament and an optional pharmaceutically acceptable excipient. A method for the preparation and for the administration of the above defined composition is provided as well.
    Type: Grant
    Filed: February 20, 1992
    Date of Patent: July 7, 1998
    Assignee: American Cyanamid Company
    Inventors: Wendy Ann Preston, Daniel Joseph Doyon, Stephen Patrick Simmons