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:
Oct. 29, 2019
Filed:
Dec. 20, 2013
Applicant:
Borealis Ag, Vienna, AT;
Inventors:
Assignee:
BOREALIS AG, Vienna, AT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/52 (2006.01); C08F 4/68 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01);
Abstract
Supported Ziegler-Natta ethylene polymerization procatalyst comprising special bi-(oxygen containing ring) compounds as internal donor, as well as a process for preparing the same and use of such a procatalyst for preparing a catalyst system used in the polymerization of ethylene for producing high molecular weight polyethylenes.