Polymerization process

US6846886B2 · kind B2 · utility

Assignee

• Univation Technologies, LLC · US

Inventors

• Simon Mawson · Charleston, US
• Sun-Chueh Kao · Houston, US
• Tae Hoon Kwalk · Montgomery, US
• Timothy R. Lynn · Hackettstown, US
• David H. McConville · Houston, US
• Matthew McKee · Blacksburg, US
• John F. Szul · Nitro, US
• Kersten Anne Terry · Charleston, US
• Timothy T. Wenzel · Charleston, US
• Mark G. Goode · Hurricane, US
• John H. Oskam · Flemington, US
• Robert J. Jorgensen · Fort Bragg, US
• Robert Harold Vogel · Ringoes, US

Key dates

• Filing date: Feb 24, 2003
• Grant date: Jan 25, 2005
• Expiry date: Mar 1, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S526/943
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention provides for polymerization catalyst compositions, and for methods for introducing the catalyst compositions into a polymerization reactor. More particularly, the method combines a catalyst component containing slurry and a catalyst component containing solution to form the completed catalyst composition for introduction into the polymerization reactor. The invention is also directed to methods of preparing the catalyst component slurry, the catalyst component solution and the catalyst compositions, to methods of controlling the properties of polymer products utilizing the catalyst compositions, and to polymers produced therefrom.