Polyethylene polymerisation in gas phase reactor

US9284394B2 · kind B2 · utility

Assignee

• Basell Polyolefine GmbH · DE

Inventors

• Fabiana Fantinel · Frankfurt, DE
• Shahram Mihan · Bad Soden, DE
• Gerhardus Meier · Frankfurt, DE
• Ulf Schueller · Weiterstadt, DE
• Maclovio Herrera Salinas · Frankfurt, DE
• Giampaolo Pellegatti · Ventimiglia, IT
• Gerd Mannebach · Münstermaifeld, DE

Key dates

• Filing date: Nov 24, 2011
• Grant date: Mar 15, 2016
• Expiry date: Nov 25, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08F2410/02
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A novel gas phase polymerization method is devised, for polymerization of low and ultralow density polyethylene.