Aluminum-containing precipitated silicic acid having an adjustable BET/CTAB ratio

US8017098B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Stefan Uhrlandt · Niederkassel, DE
• Herbert Thoma · Rheinbach, DE
• Anke Blume · Lechenich, DE

Key dates

• Filing date: Jun 7, 2003
• Grant date: Sep 13, 2011
• Expiry date: Sep 2, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2006/90
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to precipitated silica containing aluminum, which has an adjustable BET/CTAB ratio, a process for its manufacture and its use.