Polymerization process for producing ethylene based polymers

US9527940B2 · kind B2 · utility

Assignee

• DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

• Mehmet Demirors · Terneuzen, NL
• Ruth Figueroa · Midland, US
• Jerzy Klosin · Midland, US
• Pulikkottil J. Thomas · Midland, US
• Sylvie Desjardins · Lake Jackson, US
• Mridula Kapur · Lake Jackson, US
• Philip P. Fontaine · Alvin, US

Key dates

• Filing date: Dec 10, 2013
• Grant date: Dec 27, 2016
• Expiry date: Dec 10, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The instant invention provides a polymerization process for producing ethylene based polymers.In one embodiment, the instant invention provides a polymerization process for producing ethylene based polymers comprising: polymerizing ethylene with optionally one or more α-olefins in the presence of one or more first catalyst systems and optionally one or more second catalyst systems in in a dual reator system or a multiple reactor system, wherein first catalyst system comprises;