Patents by Inventor Rober Y. Leung

Rober Y. Leung 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).

  • High flexural strength ceramic fiber reinforced silicon carboxide composite
    Patent number: 5258084
    Abstract: An improved fiber reinforced glass composite includes a carbon-coated refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0, preferably 0.9 to 1.6 and y ranges from about 0.5 to 3.0, preferably 0.7 to 1.8. Preferably the black glass ceramic is derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: November 2, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Rober Y. Leung, Gerald T. Stranford, Stephen T. Gonczy