Method for coating the surface of inorganic solid particles, especially titanium dioxide pigment particles

US9909011B2 · kind B2 · utility

Assignee

• Kronos International, Inc. · DE

Inventors

• Heiko Frahm · Leverkusen, DE
• Joerg Friedrich · Leichlingen, DE
• Mark Kaminski · Tucson, US
• Erwin Schmeier · Engelskirchen, DE
• Lydia Drews-Nicolai
• Volker Juergens · Kirchhundem, DE

Key dates

• Filing date: May 27, 2009
• Grant date: Mar 6, 2018
• Expiry date: Apr 21, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2991
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A method for coating the surface of inorganic solid particles in an aqueous suspension, particularly for coating titanium dioxide with SiO2 includes: