High-gloss multilayer effect pigments having a chromatic interference color and a narrow size distribution, and method for the production thereof

US8728226B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Dirk Schumacher · Pegnitz, DE
• Michael Grüner · Zwingenberg, DE
• Günter Kaupp · Jessenitz Siedlung, DE

Key dates

• Filing date: Aug 9, 2010
• Grant date: May 20, 2014
• Expiry date: Sep 22, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2200/408
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Multilayer pearlescent pigments comprising platelet-shaped transparent substrates provided with an optically active coating, where the optically active coating includes at least The disclosure further relates to a method for producing these multilayer pearlescent pigments, and also to their use.