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
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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
Cited By (2)