Patents by Inventor Markus res

Markus res 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).

  • Stereorigid metallocene compound
    Patent number: 5892078
    Abstract: The present invention relates to a stereorigid metallocene compound which has as ligands at least two substituted or unsubstituted cyclopentadienyl groups which are connected to one another via a five-membered ring, where at least one cyclopentadienyl group is fuzed to the five-membered ring and the ligand system of the stereorigid metallocene compound is different from 4-?(.eta..sup.5 -3'-alkyl-cyclopentadienyl)-4,6,6-trimethyl-(.eta..sup.5 -2-alkyl-4,5-tetrahydropentalene)!. The metallocene compound of the invention is suitable as a catalyst component for olefin polymerization.
    Type: Grant
    Filed: October 14, 1997
    Date of Patent: April 6, 1999
    Assignee: Targor GmbH
    Inventors: Markus res, Frank ber, Berthold Schiemenz