Pigment mixture

US6517628B1 · kind B1 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Gerhard Pfaff · Mainburg, DE
• Ralf Anselmann · Munster, DE
• Sabine Schoen · Darmstadt, DE

Key dates

• Filing date: Apr 17, 2000
• Grant date: Feb 11, 2003
• Expiry date: Apr 17, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2993
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to pigment mixtures comprising at least two components, component A being multilayer pigments based on mica, SiO2 flakes, glass flakes, Al2O3 flakes or polymer flakes and component B being platelet-shaped, acicular or spherical colorants and/or fillers, and to the use thereof expecially in varnishes, paints, printing inks, powder coatings, plastics, ceramic glazes, polymer films and cosmetic formulations.