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. 16, 2021
Filed:
Mar. 30, 2017
Dow Global Technologies Llc, Midland, MI (US);
Brad C. Bailey, Midland, MI (US);
Matthew D. Christianson, Midland, MI (US);
Sanil Sreekumar, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
An olefin polymerization catalyst system includes a procatalyst component chosen from metal-ligand complexes of Formula (I): In Formula (I), each X is independently a monodentate or polydentate ligand that is neutral, monoanionic, or dianionic; the metal-ligand complex of Formula (I) is overall neutral; each Y-Yand Y-Yindependently is selected from C or N such that six membered diaza (N) or triaza (N) rings are formed; wherein each Rand Rindependently are chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl or is absent; each R, R, R, R, R, and Ris chosen from hydrogen; (C-C) hydrocarbyl; substituted (C-C) hydrocarbyl; (C-C) heterohydrocarbyl; substituted (C-C) heterohydrocarbyl; halogen, nitro (NO) or is absent; each Rand Rindependently is chosen from (C-C) hydrocarbyl, substituted (C-C) hydrocarbyl, (C-C) heterohydrocarbyl, and substituted (C-C) heterohydrocarbyl.