Patent · US Active

Silyl-bridged bis-biphenyl-phenoxy catalysts for olefin polymerization

US11111318B2 · kind B2 · utility

0Cited by

7References

10Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Hien Q. Do · Lake Jackson, US
Philip P. Fontaine · Alvin, US
Andrew J. Young · Houston, US
Susan G. Brown · Freeport, US
Johnathan E. DeLorbe · Manvel, US
Tulaza Vaidya · Royersford, US
Zach T. Rickaway · Rosharon, US
Amy E. Floeck (nee Duchnowski) · Pearland, US
Chunming Zhang · Zionsville, US
Ruth Figueroa · Midland, US
Jerzy Klosin · Midland, US

Key dates

Filing date	Jul 28, 2017
Grant date	Sep 7, 2021
Priority date	—
Expiry date	Feb 20, 2038

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Embodiments are directed to a metal complex formed, wherein the metal complexes are used as pro-catalyst in polyolefin polymerization and comprise the following structure (Formula (I)).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.