Pigment mixture

US6773499B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Sabine Schoen · Darmstadt, DE
• Reiner Vogt · Darmstadt, DE
• Norbert Schül · Heppenheim, DE
• Karl Osterried · Dieburg, DE
• Johann Munz · Hinwil, CH

Key dates

• Filing date: Mar 24, 2003
• Grant date: Aug 10, 2004
• Expiry date: Mar 24, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/014
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to pigment mixtures consisting of at least two components, component A being SiO2 flakes coated with one or more metal oxides and/or metals and component B being special-effect pigments, and to their use in varnishes, paints, printing inks, masterbatches, plastics and cosmetic formulations.