Patents by Inventor Peter Wijkens

Peter Wijkens 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).

  • Adduct of an organometal compound and a compatible anion, supported catalyst component supported catalyst processes for the preparation thereof
    Patent number: 5834393
    Abstract: A supported catalyst component comprising (a) a support material, an organometal compound, and (b) an activator compound comprising b.1) a cation which is capable of reacting with a transition metal metallocene compound to form a catalytically active transition metal complex, and b.2) a compatible anion having up to 100 nonhydrogen atoms and containing at least one substituent comprising an active hydrogen moiety; a supported catalyst comprising the supported catalyst component and a transition metal compound; process for making the same; an addition polymerization process using the supported catalyst; complex compounds, and a method for preparing the same.
    Type: Grant
    Filed: March 4, 1996
    Date of Patent: November 10, 1998
    Assignee: The Dow Chemical Company
    Inventors: Grant Berent Jacobsen, Peter Wijkens, Johann T. B. H. Jastrzebski, Gerard Van Koten