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:
Nov. 10, 2020
Filed:
Aug. 10, 2016
Applicant:
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Inventors:
John R. Hagadorn, Houston, TX (US);
Jo Ann M. Canich, Houston, TX (US);
Matthew W. Holtcamp, Huffman, TX (US);
Patrick J. Palafox, Hattiesburg, MS (US);
Ramyaa Mathialagan, Baytown, TX (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/76 (2006.01); C08F 4/64 (2006.01); C08F 4/6592 (2006.01); C08F 10/02 (2006.01); C08F 8/30 (2006.01); C08F 8/42 (2006.01); C08F 4/659 (2006.01); C08F 110/02 (2006.01);
U.S. Cl.
CPC ...
C08F 4/65927 (2013.01); C08F 4/64148 (2013.01); C08F 8/30 (2013.01); C08F 8/42 (2013.01); C08F 10/02 (2013.01); C08F 4/659 (2013.01); C08F 4/65908 (2013.01); C08F 4/65912 (2013.01); C08F 110/02 (2013.01); C08F 2420/02 (2013.01); C08F 2500/15 (2013.01);
Abstract
Catalyst systems with single site transition metal complexes (such as pyridyldiamido transition metal complexes), an activator, and a metal hydrocarbenyl chain transfer agent (preferably an aluminum vinyl-transfer agent) are disclosed for use in alkene polymerization.