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:
Aug. 23, 2016
Filed:
Apr. 02, 2015
Basell Polyolefine Gmbh, Wesseling, DE;
Michael W. Lynch, West Chester, OH (US);
Sandor Nagy, Webster, TX (US);
Shahram Mihan, Bad Soden, DE;
Ilya E. Nifant'ev, Moscow, RU;
Pavel V. Ivchenko, Moscow, RU;
Vladimir V. Bagrov, Moscow, RU;
Igor A. Kashulin, Moscow, RU;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
The present disclosure provides metallocene catalysts for use in polymerization processes. Such catalysts may be used to generate polymers with low branching and high molecular weights. Also, the present disclosure provides methods of bimodal polymerization resulting in a duality of average molecular weight polymers being simultaneously produced. In the system, the size of the polymers produced can be controlled by modifying the type and amount of catalyst activator.