Pigment preparations

US12163031B2 · kind B2 · utility

Assignee

• LANXESS Deutschland GmbH · DE

Inventors

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

Key dates

• Filing date: Oct 5, 2021
• Grant date: Dec 10, 2024
• Expiry date: Jun 20, 2043

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09D11/322
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The novel pigment preparations containing at least one metal azo pigment A) and at least one aliphatic monocarboxylic acid B) having 10 to 22 carbon atoms are suitable for the colouring of plastics and in this connection feature improved heat stability.