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:
Jun. 08, 2021
Filed:
Sep. 26, 2017
Univation Technologies, Llc, Houston, TX (US);
Roger L. Kuhlman, Freeport, TX (US);
Mahsa McDougal, Freeport, TX (US);
Timothy M. Boller, Houston, TX (US);
C. Jeff Harlan, Houston, TX (US);
Timothy R. Lynn, Middlesex, NJ (US);
Cliff R. Mure, Middlesex, NJ (US);
John F. Szul, S. Charleston, WV (US);
Daniel P. Zilker, Jr., Easton, PA (US);
Univation Technologies, LLC, Midland, MI (US);
Abstract
Embodiments of the present disclosure directed towards polymerization catalysts having improved ethylene enchainment. As an example, the present disclosure provides a polymerization catalyst having improved ethylene enchainment, the polymerization catalyst comprising a zirconocene catalyst of Formula (I) where Ris a Cto Calkyl, aryl or aralkyl group, wherein Ris an Cto Calkyl, aryl or aralkyl group, and where Ris a Cto Calkyl or a hydrogen, and where each X is independently a halide, Cto Calkyl, aralkyl group or hydrogen.