Patents by Inventor Xiao Lan Wang

Xiao Lan Wang 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: 6348621
    Abstract: A catalyst system capable of catalyzing the carbonylation of ethylene and a process which uses such a system wherein the catalyst system is obtainable by combining a metal of Group VIII, e.g., palladium, or a compound thereof and a bidentate phosphine, e.g. bis(di-t-butyl phospino)-o-xylene, according to the equation C2H4+CO+ROH→C2H5CO2R,.
    Type: Grant
    Filed: October 13, 1999
    Date of Patent: February 19, 2002
    Assignee: Imperial Chemical Industries PLC
    Inventors: Xiao Lan Wang, Robert Paul Tooze, Keith Whiston, Graham Ronald Eastham