Metal azo pigments

US10059844B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

• Frank Linke · Recklinghausen, DE
• Hans-Ulrich Borst · Elsdorf, DE
• Sabine Endert · Wuppertal, DE

Key dates

• Filing date: Mar 20, 2017
• Grant date: Aug 28, 2018
• Expiry date: Mar 20, 2037

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/32
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The novel yellow metal azo pigments based on at least two metal azo compounds which differ at least in the type of metal have both improved dispersion properties and improved color strengths and are of excellent suitability for pigmentation of pigment preparations for a broad field of use.