Metal oxide particles aftertreated with organic phosphorus compounds

US8883215B2 · kind B2 · utility

Assignees

• Merck Patent GmbH · DE
• Sachleben Chemie GmbH · DE

Inventors

• Joern Beck · Seeheim-Jugenheim, DE
• Ruediger Graf · Otzberg, DE
• Frank Pfluecker · Darmstadt, DE
• Gabriele Benkner · Moers, DE
• Bernd Hirthe · Tönisvorst, DE
• Stephan John · Duisburg, DE

Key dates

• Filing date: Feb 28, 2011
• Grant date: Nov 11, 2014
• Expiry date: Apr 26, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2982
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to metal oxide particles and/or metal hydroxide particles, aftertreated with an organic phosphorus compound, process for the preparation thereof, and compositions comprising same.