Metal azo pigments

US10005909B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

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

Key dates

• Filing date: Mar 20, 2017
• Grant date: Jun 26, 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 a least in the type of metal have improved color strengths and are of excellent suitability for pigmentation of pigment preparations for a broad field of use.