Diaryl yellow pigment preparations

US7118623B2 · kind B2 · utility

Assignee

• Clariant Corporation · DE

Inventors

• Heinz-Gunter Bach · Berlin, DE
• Ulrich Ott · Hofheim, DE
• Rainer Winter · Oberursel, DE
• Thomas Heber · Hattersheim, DE
• Rolf Kaiser · Augsburg, DE

Key dates

• Filing date: Feb 28, 2002
• Grant date: Oct 10, 2006
• Expiry date: Feb 14, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09B67/0065
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a diaryl yellow pigment preparation, including a) at least one diaryl yellow pigment b) at least one natural resin on the basis of rosin or modified rosin, c) at least one compound of formula (1), and d) an aluminum, zinc, manganese or iron compound in an amount of from 0.1 to 8% by weight (calculated as a metal cation), based on component b). The inventive preparations are suitable for a variety of applications, among them the production of printing inks, especially offset printing inks.