Pigment composition for plastics

US7390842B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Manfred Kieser · Darmstadt, DE
• Emil Aust · Mainz, DE
• Hans Jurgen Brehm · Lindenfels, DE

Key dates

• Filing date: Oct 1, 2004
• Grant date: Jun 24, 2008
• Expiry date: May 11, 2026

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2200/308
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention includes pigment compositions for plastics comprising one or more flake-form effect pigments, a carrier material and one or more fluorine-containing polymers, to a process for the preparation of the pigment compositions, and to the use thereof for pigmenting plastics and for the production of masterbatches.