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. 05, 2020
Filed:
Mar. 10, 2016
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Xuan Ye, Houston, TX (US);
Matthew W. Holtcamp, Huffman, TX (US);
Lubin Luo, Houston, TX (US);
Laughlin G. McCullough, League City, TX (US);
Gregory S. Day, College Station, TX (US);
Francis C. Rix, Houston, TX (US);
Jo Ann M. Canich, Houston, TX (US);
David F. Sanders, Beaumont, TX (US);
Matthew S. Bedoya, Humble, TX (US);
ExxonMobil Chemical Patents, Inc., Baytown, TX (US);
Abstract
This invention relates to a catalyst system comprising fluorided silica, alkylalumoxane activator and at least two metallocene catalyst compounds, where the first metallocene is a bridged monocyclopentadienyl group 4 transition metal compound and the second metallocene is a biscyclopentadientyl group 4 transition metal compound, where the fluorided support has not been calcined at a temperature of 400° C. or more, and is preferably produced using a west mixing method, such as an aqueous method.