Surface treatment of particles and their use

US9783656B2 · kind B2 · utility

Assignees

• EVONIK DEGUSSA GMBH · DE
• HUNTSMAN P&A GERMANY GMBH · DE

Inventors

• Kathrin Lehmann · Leverkusen, DE
• Frauke Henning · Essen, DE
• Christian Mund · Essen, DE
• Bernd Rohe · Moers, DE
• Petra Fritzen · Duisburg, DE
• Joerg Hocken · Meerbusch, DE

Key dates

• Filing date: Dec 8, 2014
• Grant date: Oct 10, 2017
• Expiry date: Dec 8, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J2483/12
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Surface treatment of titanium dioxide, barium sulfate, zinc sulfide, and/or lithopone particles, and mixtures of said particles with specific alkoxylated siloxanes for the improvement of dispersion in plastics.