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:
Jul. 24, 2012
Filed:
Mar. 01, 2008
Applicants:
Shahram Mihan, Bad Soden, DE;
Fabiana Fantinel, Frankfurt, DE;
Reynald Chevalier, Frankfurt, DE;
Harald Schmitz, Weinheim, DE;
Inventors:
Shahram Mihan, Bad Soden, DE;
Fabiana Fantinel, Frankfurt, DE;
Reynald Chevalier, Frankfurt, DE;
Harald Schmitz, Weinheim, DE;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/80 (2006.01); C08F 4/70 (2006.01); C08F 4/60 (2006.01); C07F 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
Specific iron complexes (A), a catalyst system for polymerization of olefins comprising at least one metal complex (A) and/or (A'), a prepolymerized catalyst system, the use of these catalyst systems for the polymerization of olefins, and a process for the preparation of polyolefins by polymerization or copolymerization of olefins in the presence of one of the described catalyst systems.