Patents by Inventor Christy L. H. Oviatt

Christy L. H. Oviatt 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).

  • Compositions and methods for dissolving body calculi
    Patent number: 5244913
    Abstract: Compositions and methods for dissolving calculi deposits in humans are disclosed. The compositions include solutions of quaternary ammonium salts and are particularly effective for the contact dissolution of pigment portions of biliary tract calculi such as gallstones. The solutions preferably further include mineral chelating agent and disulfide bond cleaving agent to aid in deaggregating mineral components and glycoprotein components of calculi.
    Type: Grant
    Filed: November 19, 1991
    Date of Patent: September 14, 1993
    Assignee: Baxter International Inc.
    Inventors: Stephen L. Coulter, Kenneth G. Mayhan, Christy L. H. Oviatt, Steven R. Morehead