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:
May. 18, 2021
Filed:
Sep. 21, 2017
Applicant:
Dow Global Technologies Llc, Midland, MI (US);
Inventors:
Linfeng Chen, Missouri City, TX (US);
Mehmet Demirors, Pearland, TX (US);
Assignee:
Dow Global Technologies LLC, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 210/02 (2006.01); C08F 210/14 (2006.01); C08F 4/654 (2006.01); C08F 4/659 (2006.01); C08F 4/64 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 4/64193 (2013.01); C08F 4/6545 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 210/02 (2013.01); C08F 210/14 (2013.01); C08F 2410/04 (2013.01); C08F 2500/02 (2013.01); C08F 2500/05 (2013.01); Y02P 20/52 (2015.11);
Abstract
A method of polymerizing an olefin using a combination of a Ziegler-Natta catalyst and an unsupported molecular catalyst in a same reactor at the same time to give a polyolefin product, and the polyolefin product made by the method. Also, methods of preparing the combination of (pro)catalysts.