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:
Feb. 15, 2022
Filed:
Jun. 07, 2019
Univation Technologies, Llc, Houston, TX (US);
Ian M. Munro, Lake Jackson, TX (US);
Wesley R. Mariott, Manvel, TX (US);
C. Dale Lester, South Charleston, WV (US);
Nitin Borse, Pearland, TX (US);
Michael D. Awe, Middlesex, NJ (US);
Phuong A. Cao, Middlesex, NJ (US);
Jesse C. Beilhart, South Charleston, WV (US);
Univation Technologies, LLC, Houston, TX (US);
Abstract
Methods of making spray-dried Ziegler-Natta (pro)catalyst systems containing titanium Ziegler-Natta (pro)catalysts, a hydrophobic silica carrier material, and tetrahydrofuran. The spray-dried Ziegler-Natta (pro)catalyst systems made by the method. Methods of polymerizing olefin (co)monomer(s) with the spray-dried Ziegler-Natta catalyst system to make polyolefin polymers, and the polyolefin polymers made thereby.