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

US10799432B2 · 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: Jul 8, 2019
• Grant date: Oct 13, 2020
• Expiry date: Jul 8, 2039

Classification

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

Abstract

The invention relates to an absorbent effect pigment including a nonmetallic substrate in platelet form and a coating applied thereto, wherein the coating includes at least one spacer layer. The invention further relates to a process for production of and to the use of the absorbent effect pigment.