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. 26, 2021
Filed:
Sep. 21, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Linfeng Chen, Missouri City, TX (US);
Marc A. Springs, Angleton, TX (US);
Mehmet Demirors, Pearland, TX (US);
Assignee:
DOW GLOBAL TECHNOLOGIES LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/654 (2006.01); C08F 10/02 (2006.01); C08F 4/642 (2006.01); C08F 4/659 (2006.01); C08F 210/16 (2006.01);
U.S. Cl.
CPC ...
C08F 4/6543 (2013.01); C08F 4/6428 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 10/02 (2013.01); C08F 210/16 (2013.01);
Abstract
A magnesium halide-supported titanium procatalyst, a catalyst prepared therefrom, an enhanced catalyst consists essentially of a product of a reaction of the magnesium halide-supported titanium procatalyst and a hydrocarbylaluminoxane. Also methods of preparing the (pro)catalysts, a method of polymerizing an olefin, and a polyolefin made by the polymerization method.