Pigment preparation

US6551397B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Joachim Weitzel · Darmstadt, DE
• Wolfgang Hechler · Herbstein, DE

Key dates

• Filing date: Apr 29, 2002
• Grant date: Apr 22, 2003
• Expiry date: Apr 29, 2022

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/61
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to a pigment preparation comprising BiOCl pigments, one or more luster pigments and spherical particles, and to the use thereof in printing inks, security printing inks, surface coatings, paints, plastics and in cosmetic formulations.