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:
Aug. 01, 2023
Filed:
Feb. 25, 2022
Applicant:
University of Houston System, Houston, TX (US);
Inventors:
Loi Hung Do, Manvel, TX (US);
Zhongzheng Cai, Houston, TX (US);
Thi Tran, Houston, TX (US);
Dawei Xiao, Houston, TX (US);
Assignee:
UNIVERSITY OF HOUSTON SYSTEM, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 31/22 (2006.01); C08F 4/70 (2006.01); C08F 10/02 (2006.01);
U.S. Cl.
CPC ...
B01J 31/2243 (2013.01); B01J 31/2247 (2013.01); C08F 4/7014 (2013.01); C08F 10/02 (2013.01); B01J 2531/0205 (2013.01); B01J 2531/0297 (2013.01); B01J 2531/824 (2013.01); B01J 2531/847 (2013.01); C08F 2410/03 (2013.01);
Abstract
Phosphine phosphonate and phenoxyphosphine ligands bearing polyethylene glycol (PEG) chains are used as described herein to produce heterobimetallic catalysts. The ligands can be metallated selectively with palladium or nickel and secondary metal ions to provide well-defined heterobimetallic compounds. These heterobimetallic complexes exhibit accelerated reaction rates and greater thermal stability in olefin polymerization compared to other catalysts.