Pigment preparations

US8613800B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Volker Wilhelm · Bensberg, DE
• Hans Jurgen Brehm · Lindenfels, DE

Key dates

• Filing date: Apr 9, 2009
• Grant date: Dec 24, 2013
• Expiry date: Apr 9, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2200/402
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to pigment preparations comprising one or more effect pigments in platelet form, at least one antioxidant and a wax or wax mixture, and to the use thereof for pigmentation of application media, especially paints, coating materials, powder coating materials, polymers, and for production of masterbatches.