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:
Jan. 01, 2019
Filed:
Dec. 05, 2016
Univation Technologies, Llc, Houston, TX (US);
C. Dale Lester, Fayetteville, WV (US);
Kevin J. Cann, Rock Hill, NJ (US);
Phuong A. Cao, Old Bridge, NJ (US);
Abarajith S. Hari, Ridgecrest, CA (US);
F. David Hussein, Cross Lanes, WV (US);
Wesley R. Mariott, Pearland, TX (US);
John H. Moorhouse, Kendall Park, TX (US);
Richard B. Pannell, Kingwood, TX (US);
Bruce J. Savatsky, Kingwood, TX (US);
Daniel P. Zilker, Jr., Charleston, WV (US);
Mark G. Goode, Hurricane, WV (US);
Univation Technologies, LLC, Houston, TX (US);
Abstract
Catalyst systems and methods for making and using the same are provided. The catalyst systems can include a plurality of silica particles and a metallocene catalyst and an activator supported on the plurality of silica particles. The polymerization catalysts have a particle size distribution in which about 10% of the particles have a size less than about 17 to about 23 micrometers, about 50% of the particles have a size less than about 40 to about 45 micrometers, and about 90% of the particles have a size less than about 72 to about 77 micrometers.