Patents by Inventor Chichang J. Wung

Chichang J. Wung 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).

  • Third order non-linear optically active composites, method of making same and photonic media comprising same
    Patent number: 5130362
    Abstract: A composite having third order non-linear optical activity comprising, an organic polymer and an inorganic material. The organic polymer has third order nonlinear optical activity and the inorganic material is a sol-gel glass. The organic polymer or a precursor of the organic polymer is mutually soluble with a precursor of the sol-gel glass. The invention also includes photonic media having the above composite and a method of making the composite.
    Type: Grant
    Filed: December 3, 1991
    Date of Patent: July 14, 1992
    Assignee: The Research Foundation of State Univ. of N.Y.
    Inventors: Paras N. Prasad, Frank E. Karasz, Yang Pang, Chichang J. Wung