Patents by Inventor Tim T. Wong

Tim T. Wong 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).

  • Phenol separation
    Patent number: 5538599
    Abstract: A process is provided whereby phenol is separated from 1-phenyl ethanol, acetophenone or mixtures by extractive distillation with sulfolane as extractive distillation agent which decreases phenol volatility relative to 1-phenyl ethanol and acetophenone.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: July 23, 1996
    Assignee: ARCO Chemical Technology, L.P.
    Inventors: Tim T. Wong, Stephen H. Harris, Thomas S. Zak, Te Chang
  • Molybdenum catalyst separation
    Patent number: 5439657
    Abstract: The present invention relates to the separation of molybdenum from epoxidation process streams by extraction with water insoluble tertiary amine.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: August 8, 1995
    Assignee: Arco Chemical Technology, L.P.
    Inventors: Tim T. Wong, Lawrence M. Candela