Metal effect pigments with high chroma and high brilliancy, method for the production and use thereof

US10759941B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Michael Grüner · Zwingenberg, DE
• Günter Kaupp · Jessenitz Siedlung, DE
• Ralph Schneider · Achern, DE

Key dates

• Filing date: Dec 21, 2015
• Grant date: Sep 1, 2020
• Expiry date: Feb 18, 2036

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09C2220/106
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a metal effect pigment including a metallic substrate in platelet form and a coating applied thereto, wherein the coating includes a spacer layer. The invention further relates to a process for production of and to the use of the metal effect pigment.