Pigment preparation and its use especially in printing inks

US6702885B2 · kind B2 · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Sabine Schoen · Darmstadt, DE
• Reiner Vogt · Darmstadt, DE
• Norbert Schül · Heppenheim, DE
• Karl Osterried · Dieburg, DE
• Gerhard Herget · Ober-Ramstadt, DE

Key dates

• Filing date: Oct 19, 2001
• Grant date: Mar 9, 2004
• Expiry date: Nov 15, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D5/36
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a pigment preparation comprising a mixture of coated and/or uncoated SiO2 flakes, one or more special-effect pigments, and a phosphate derivative, and to the use thereof, especially in printing inks.