Patents Assigned to Phillips Potroleum Company
  • Organometallic fluorenyl compounds, preparations, and use
    Patent number: 7230128
    Abstract: Fluorenyl-containing metallocenes are disclosed along with methods for making the metallocenes. Also disclosed are methods for using the metallocenes as polymerization catalysts. In addition, polymers resulting from such polymerizations are disclosed.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: June 12, 2007
    Assignee: Phillips Potroleum Company
    Inventors: Helmut G. Alt, Syriac J. Palackal, Konstantinos Patsidis, M. Bruce Welch, Rolf L. Geerts, Eric T. Hsieh, Max P. McDaniel, Gil R. Hawley, Paul D. Smith