Patents Represented by Attorney, Agent or Law Firm Hsiang-ning “Sean” Sun
  • Powders of silica-oxide and mixed silica-oxide and method of preparing same
    Patent number: 6372685
    Abstract: Silica powders and mixed silica-oxide powders and methods of preparing such powders for use as catalyst supports for polymerization processes.
    Type: Grant
    Filed: April 25, 2000
    Date of Patent: April 16, 2002
    Assignee: Chevron Phillips Chemical Company, LP
    Inventors: Theresa A. Pecoraro, Ignatius Y. Chan, Darryl K. Whaley, Pamela R. Auburn