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. 23, 2015
Filed:
May. 14, 2014
Applicant:
Chevron Phillips Chemical Company Lp, The Woodlands, TX (US);
Inventors:
Errun Ding, Bartlesville, OK (US);
Joel L. Martin, Bartlesville, OK (US);
Albert P. Masino, Tulsa, OK (US);
Qing Yang, Bartlesville, OK (US);
Youlu Yu, Bartlesville, OK (US);
Assignee:
Chevron Phillips Chemical Company LP, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/6592 (2006.01); C08F 4/642 (2006.01); C08F 10/00 (2006.01); C08F 210/16 (2006.01); C08F 4/76 (2006.01); C07F 17/00 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08F 4/76 (2013.01); C07F 17/00 (2013.01); C08F 4/65912 (2013.01); C08F 4/65916 (2013.01); C08F 10/00 (2013.01); C08F 210/16 (2013.01); C08F 4/6592 (2013.01);
Abstract
The present invention provides polymerization catalyst compositions employing half-metallocene compounds with a heteroatom-containing ligand bound to the transition metal. Methods for making these hybrid metallocene compounds and for using such compounds in catalyst compositions for the polymerization of olefins also are provided.