Patents by Inventor Kaisa Suominen

Kaisa Suominen 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).

  • Activator system for metallocene compounds
    Patent number: 6380332
    Abstract: Aluminoxanes having C2-C10 alkyl groups can conveniently be used in supported olefin polymerization catalyst compositions prepared by contacting a support comprising a solid compound which is one of pure aluminium oxide, a mixed aluminium oxide, an aluminium salt, a magnesium halide, or a C1-C8 alkoxy magnesium halide, in any order with at least a) an organometallic compound, b) a metallocene, and c) an aluminoxane, and recovering said supported olefin polymerization catalyst composition.
    Type: Grant
    Filed: September 23, 1999
    Date of Patent: April 30, 2002
    Assignee: Borealis Technology Oy
    Inventors: Kalle Kallio, Hilkka Knuuttila, Kaisa Suominen