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:
Dec. 22, 2020
Filed:
Apr. 17, 2017
Univation Technologies, Llc, Houston, TX (US);
Charles D. Lester, S. Charleston, WV (US);
Mark G. Goode, S. Charleston, WV (US);
Timothy R. Lynn, Middlesex, NJ (US);
Kevin J. Cann, Tierra Verde, FL (US);
John H. Moorhouse, Middlesex, NJ (US);
William Albert Matthews, Hilton Head Island, SC (US);
Kefu Sun, Freeport, TX (US);
Francois Alexandre, Saint-Leonard, CA;
Univation Technologies, LLC, Houston, TX (US);
Abstract
Embodiments of the present disclosure are directed towards method for modifying a polymer flow index. As an example, a method for modifying a polymer flow index can include providing monomers to a polymerization reactor, providing a chromium catalyst to the polymerization reactor, and providing an active amount of a flow index modifier to the polymerization reactor, wherein the flow index modifier is selected from carbon dioxide, carbon monoxide, 2,4-hexadiene, and combinations thereof.