IP Library Granted Patent US 10,526,431
Granted Patent B2
US 10,526,431 · App. 15/310,460 · Granted Jan 7, 2020

Catalyst systems for olefin polymerization

Inventors: Philip P. Fontaine (Alvin, TX); Jerzy Klosin (Midland, MI); Endre Szuromi (Richwood, TX); Carl N. Iverson (Houston, TX); Zach T. Rickaway (Rosharon, TX); Andrew J. Young (Houston, TX); Susan G. Brown (Pearland, TX); Ruth Figueroa (Midland, MI)
Assignee: Dow Global Technologies LLC
C08F210/16B01J31/2226C07F7/00C07F7/28C08F4/659C08F4/65908C08F4/65912Y02P20/582
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Quick Facts
Patent No.
US 10,526,431
App. No.
15/310,460
Granted
Jan 7, 2020
Kind
B2
Abstract

The instant invention provides a procatalyst comprising a metal-ligand complex of Formula (I): (Formula I), wherein M, X, n, each Z, L, R 21 , R 22 and R 1 through R 20 are each described herein.

Claims (5)

1. A procatalyst selected from the group consisting of:

2. A procatalyst having the structure 15:

3. A catalyst system comprising the reaction product of the following:

A) one or two procatalysts of claim 1 ; and

B) one or two cocatalysts selected from the group consisting of: polymeric or oligomeric aluminoxanes, or strong Lewis Acid.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 4, 2018
From: FONTAINE, PHILIP P.; IVERSON, CARL N.; KLOSIN, JERZEY; SZUROMI, ENDRE; RICKAWAY, ZACK T.; YOUNG, ANDREW J.; BROWN, SUSAN G.; FIGUEROA, RUTH
To: DOW GLOBAL TECHNOLOGIES LLC
Reel/Frame 046782/0277 →
Continuity (2)
Provisional Application 62018841 · Jun 30, 2014
Related Publication 20170101493A1 · Apr 13, 2017
Cited By (2)
US 12,297,303 US 12,441,819