Coated metallic luster pigments for pigmenting high molecular weight materials

US7449239B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Oliver Seeger · Mannheim, DE
• Norbert Mronga · Dossenheim, DE
• Gunter Etzrodt · Stuttgart, DE
• Arno Bohm · Mannheim, DE

Key dates

• Filing date: Apr 14, 2004
• Grant date: Nov 11, 2008
• Expiry date: May 19, 2024

Classification

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

Abstract

Use of luster pigments based on a platelet-shaped metallic substrate coated with a low refractive dielectric layer which does not absorb visible light, for pigmenting macromolecular materials.