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. 23, 2021
Filed:
Aug. 26, 2019
Applicant:
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Inventors:
Crisita Carmen H. Atienza, Houston, TX (US);
David A. Cano, Houston, TX (US);
Catherine A. Faler, Houston, TX (US);
Margaret T. Whalley, Houston, TX (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/64 (2006.01); C08F 4/76 (2006.01); C07F 7/00 (2006.01); C07D 209/86 (2006.01); C08F 10/06 (2006.01); C08F 10/14 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
C07F 7/00 (2013.01); C07D 209/86 (2013.01); C08F 10/02 (2013.01); C08F 10/06 (2013.01); C08F 10/14 (2013.01); C08F 4/64 (2013.01); C08F 4/64189 (2013.01); C08F 4/64193 (2013.01);
Abstract
The present disclosure provides transition metal catalysts and the respective bridged phenolate ligands contained on the catalyst, as well as, catalyst systems and polymerization processes for producing polyolefins. The catalysts and the catalyst systems provide catalytic activity values of greater than 100 kg/mmol-hr, such as greater than 400 kg/mmol-hr or greater than 500 kg/mmol-hr.