Patent · US Expired

Polymerization of olefins

US6541585B2 · kind B2 · utility

11Cited by

3References

23Claims

0Family size

Assignee

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

Inventors

Lynda Kaye Johnson · Wilmington, US
Alison Margaret Anne Bennett · Wilmington, US
Kerwin D. Dobbs · Wilmington, US
Alex Sergey Ionkin · Kennett Square, US
Steven Dale Ittel · Wilmington, US
Ying Wang · Wilmington, US
Catherine E. Radzewich · Iowa City, US
Lin Wang · Hockessin, US
Elisabeth Hauptman · Wilmington, US

Key dates

Filing date	May 31, 2001
Grant date	Apr 1, 2003
Priority date	—
Expiry date	May 31, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F210/02
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Polymers are produced using transition metal complexes that have sites capable of binding a Lewis acid in close proximity to the metal center.

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