Multi-layer metallic effect pigments, process for their preparation and use

US9175166B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Bernhard Geissler · Schwarzenbruck, DE
• Wolfgang Herzing · Neunkirchen, DE
• Jasmin Bleisteiner · Kirchensittenbach, DE
• Martin Fischer · Ludwigshafen, DE
• Ralph Schneider · Achern, DE

Key dates

• Filing date: Jul 24, 2008
• Grant date: Nov 3, 2015
• Expiry date: Oct 30, 2031

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/12549
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A metallic effect pigment comprising at least three layers: and being situated within a range from 2 to 77 atom %, more particularly from 25 to 58 atom %. The disclosure further relates to processes for preparing this effect pigment and also to its use.