The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 09, 2009
Filed:
Feb. 05, 2004
Applicants:
Robert L. Jones, Frankfurt, DE;
Naka Seidel, Frankfurt, DE;
Michael J. Elder, Columbia, MD (US);
John A. Ewen, Lake Placid, FL (US);
Inventors:
Robert L. Jones, Frankfurt, DE;
Naka Seidel, Frankfurt, DE;
Michael J. Elder, Columbia, MD (US);
John A. Ewen, Lake Placid, FL (US);
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 4/72 (2006.01); C08F 4/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst system obtained by reacting at least one chiral transition metal compound and at least one cocatalyst, where the chiral transition metal compound is a transition metal compound of formula (Ia) or one of its enantiomers of the formula (Ia*), where