Patents Represented by Attorney, Agent or Law Firm Tai-Sau Choo
  • Alkylene oxide catalysts having enhanced activity and/or stability
    Patent number: 6511938
    Abstract: Catalysts for the production of alkylene oxide by the epoxidation of alkene with oxygen comprise a silver-containing support, and a sufficient amount of cobalt component to enhance at least one of activity and/or efficiency and/or stability as compared to a similar catalyst which does not contain cobalt component.
    Type: Grant
    Filed: March 21, 1996
    Date of Patent: January 28, 2003
    Assignee: Union Carbide Chemicals & Plastics Technology Corporation
    Inventors: Albert Cheng-Yu Liu, Erlind Magnus Thorsteinson, Hwaili Soo, James Herndon McCain, David Michael Minahan