Stable aqueous dispersions of precipitated silica

US8092587B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Florian Zschunke · Frankfurt, DE
• Burkhard Standke · Soest, DE
• Stefan Scharfe · Niederrodenbach, DE
• Christoph Batz-Sohn · Hanau, DE
• Heinz Lach · Rodenbach, DE
• Andrea Heuschen · Bad Orb, DE
• Juergen Behnisch · Madison, US
• Markus Ruf · Meckenheim, DE
• Guenter Stein · Nidderau, DE
• Tobias Banert · Hanau, DE

Key dates

• Filing date: Jan 21, 2011
• Grant date: Jan 10, 2012
• Expiry date: Jan 21, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K9/06
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to stabilized dispersions of precipitated silicon dioxide, to a process for production thereof and to the use thereof, especially for production of paper coatings for glossy photo paper for inkjet printing.