Patent · US Expired

Catalysts containing N-pyrrolyl substituted nitrogen donors

US7319084B2 · kind B2 · utility

1Cited by

1References

15Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Leslie Shane Moody · Johnson City, US
Peter Borden Mackenzie · Murrysville, US
Christopher Moore Killian · Jonesborough, US
Gino Georges Lavoie · Kingsport, US
James Allen Ponasik, Jr. · Bristol, US
Anthony G. M. Barrett · London, GB
Thomas W. Smith · Penfield, US
Jason Clay Pearson · Kingsport, US

Key dates

Filing date	Mar 21, 2006
Grant date	Jan 15, 2008
Priority date	—
Expiry date	Mar 21, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2410/03
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Catalyst compositions useful for the polymerization or oligomerization of olefins are disclosed. Certain of the catalyst compositions comprise N-pyrrolyl substituted nitrogen donors. Also disclosed are processes for the polymerization or oligomerization of olefins using the catalyst compositions.

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