Highly dispersible precipitated silica

US7855248B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Oleg Stenzel
• Stefan Uhrlandt · Niederkassel, DE
• Hans-Detlef Luginsland · Recklinghausen, DE
• Andre Wehmeier · Rheine, DE

Key dates

• Filing date: Jul 23, 2003
• Grant date: Dec 21, 2010
• Expiry date: Mar 5, 2027

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T152/10
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a highly disperse precipitated silica which has a high surface area, to a process for preparing it, and to its use as a tire filler for commercial vehicles, motorbikes, and high-speed vehicles.