Patents by Inventor Hsuch Sung Tung

Hsuch Sung Tung 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).

  • Patent number: 6187978
    Abstract: A process for preparing a haloalkane comprising: (a) contacting a haloalkane starting material with a haloalkene starting material in the presence of an effective amount of a catalyst complex under conditions effective to facilitate an addition reaction and to form a product stream comprising a haloalkane product from said addition reaction, wherein said catalyst complex has a boiling point higher than that of said haloalkane product; and (b) recovering said haloalkane product from said product stream.
    Type: Grant
    Filed: May 12, 1999
    Date of Patent: February 13, 2001
    Assignee: AlliedSignal Inc.
    Inventors: Tedeusz P. Rygas, Hsuch Sung Tung