logo

For the Inventor, By the Inventor

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.:

US 10308742 B1

PDFFull Text
Date of Patent:
Jun. 04, 2019

Filed:

Feb. 10, 2015

Producing polyolefin products with improved stiffness, toughness, and processability

Applicant:

Univation Technologies, Llc, Houston, TX (US);

Inventors:

Ching-Tai Lue, Sugar Land, TX (US);

Francis C. Rix, League City, TX (US);

Timothy M. Boller, Houston, TX (US);

Garth R. Giesbrecht, The Woodlands, TX (US);

Mark G. Goode, Hurricane, WV (US);

Sun-Chueh Kao, Pearland, TX (US);

Dongming Li, Houston, TX (US);

R. Eric Pequeno, Baytown, TX (US);

Daniel P. Zilker, Jr., Charleston, WV (US);

Assignee:

Univation Technologies, LLC, Houston, TX (US);

Attorney:

Brooks, Cameron & Huebsch, PLLC

Primary Examiner:

Caixia Lu

Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08F 4/653 (2006.01); C08F 4/6592 (2006.01); C08L 23/08 (2006.01); C08F 4/659 (2006.01); C07F 17/00 (2006.01); C08F 210/02 (2006.01); C08F 4/76 (2006.01); C08F 2/00 (2006.01); C08F 2/34 (2006.01); C08J 5/18 (2006.01); C08F 210/14 (2006.01); C08F 210/08 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C07F 17/00 (2013.01); C08F 2/00 (2013.01); C08F 2/34 (2013.01); C08F 4/65904 (2013.01); C08F 4/76 (2013.01); C08F 210/02 (2013.01); C08J 5/18 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 4/65925 (2013.01); C08F 4/65927 (2013.01); C08F 210/08 (2013.01); C08F 210/14 (2013.01); C08F 2410/02 (2013.01); C08F 2420/00 (2013.01); C08F 2420/01 (2013.01); C08F 2500/01 (2013.01); C08F 2500/02 (2013.01); C08F 2500/08 (2013.01); C08F 2500/09 (2013.01); C08F 2500/10 (2013.01); C08F 2500/11 (2013.01); C08F 2500/12 (2013.01); C08F 2500/13 (2013.01); C08F 2500/18 (2013.01); C08F 2800/20 (2013.01); C08J 2323/08 (2013.01); C08L 23/0815 (2013.01);
Abstract

Polymers, and systems and methods for making and using the same are described herein. A polymer includes ethylene and at least one alpha olefin having from 4 to 20 carbon atoms. The polymer is formed by a trimmed catalyst system including a supported catalyst including bis(n-propylcyclopentadienyl) hafnium (R)(R) and a trim catalyst comprising meso-O(SiMeInd)Zr(R)(R), wherein Rand Rare each, independently, methyl, chloro, fluoro, or a hydrocarbyl group.

Find Patent Forward Citations

Loading…