Patents by Inventor Oionghua Shen

Oionghua Shen 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).

  • Silicon carbide precursors and uses thereof
    Publication number: 20070093587
    Abstract: A silicon composition comprising a copolymer is provided. The copolymer has the formula H—[SiH2CH2]xn[Si(R1)HCH2]yn[SiH(R2)CH2]zn—H wherein R1 is methyl, phenyl, methoxy, ethoxy, or butoxy; wherein R2 is allyl, propargyl, or ethynyl; and wherein x+y+z=1 with the proviso that x, y, and z are not 0. Methods for making silicon carbide based materials using the aforementioned copolymer and articles made thereby are also provided.
    Type: Application
    Filed: October 25, 2005
    Publication date: April 26, 2007
    Inventors: Oionghua Shen, Walter Sherwood