Olefin polymerization process

US5714556A · kind A · utility

Assignee

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

Inventors

• Lynda Kaye Johnson · Wilmington, US
• Jerald Feldman · Wilmington, US
• Kristina A. Kreutzer · Wilmington, US
• Stephan James McLain · Wilmington, US
• Alison Margaret Anne Bennett · Wilmington, US
• Edward Bryan Coughlin · Amherst, US
• Dennis S. Donald · Mendenhall, US
• Lissa Taka Jennings Nelson · Boothwyn, US
• Anju Parthasarathy · New Castle, US
• Xing Shen · Brooklyn, US
• Wilson Tam · Boothwyn, US
• Yueli Wang · Morrisville, US

Key dates

• Filing date: Jun 27, 1996
• Grant date: Feb 3, 1998
• Expiry date: Jun 27, 2016

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F210/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed herein is a process for the polymerization of ethylene, norbornenes and styrenes, by contacting in solution a selected nickel compound and a selected compound which is or can coordinated to the nickel with the olefin(s). The polymers produced are useful for films and molding resins.