Patent · US Active

Bis-ligated phosphaguanidine group IV metal complexes and olefin polymerization catalysts produced therefrom

US11214632B2 · kind B2 · utility

0Cited by

24References

8Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Andrew M. Camelio · Midland, US
Arkady L. Krasovskiy · Midland, US
Matthew D. Christianson · Midland, US
Amaruka Hazari · Carmel, US
Heather A. Spinney · Midland, US
Robert DJ Froese · Midland, US

Key dates

Filing date	Sep 29, 2017
Grant date	Jan 4, 2022
Priority date	—
Expiry date	Jan 6, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F10/14
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Embodiments are directed to monophosphaguanidine ligands and the bis ligated metal-complexes formed therefrom, wherein the metal-ligand complexes are polymerization catalysts comprising the following structure (I).

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