Patents by Inventor Erwin C.-C. Si

Erwin C.-C. Si 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).

  • Aminosteroids for ophthalmic use
    Patent number: 5252319
    Abstract: Methods and compositions for preventing or treating ophthalmic diseases or disorders wherein an ophthalmically effective amount of the C.sub.20 through C.sub.26 aminosteroids of formula XI and their pharmaceutical, acceptable salts, hydrates or solvates is administered in an inert vehicle to arrest oxidation processes damaging to the eye.
    Type: Grant
    Filed: February 19, 1992
    Date of Patent: October 12, 1993
    Assignee: Insite Vision Incorporated
    Inventors: John C. Babcock, Jon R. Polansky, Lyle M. Bowman, Sheng-Wan Tsao, Erwin C.-C. Si, Santosh K. Chandrasekaran