Metal effect pigment with additive

US9931524B2 · kind B2 · utility

Assignee

• ECKART GmbH · DE

Inventors

• Dieter Proelss · Schwabach, DE
• Stefan Trummer · Koblenzer Straße, DE
• Stephan Roth · Jena, DE
• Bärbel Gertzen · Nideggen, DE
• Wolfgang Pritschins · Wesel, DE
• Jürgen Omeis · Wulfen, DE

Key dates

• Filing date: May 28, 2009
• Grant date: Apr 3, 2018
• Expiry date: Oct 12, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K9/04
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A metallic effect pigment with an additive, the additive being applied on at least a portion of the metallic effect pigment. The additive comprises, as structural units, at least one carboxylic acid having at least 4 carbon atoms and also at least one polyglycol ether. The carboxylic acid and the polyglycol ether are bonded covalently to one another. The disclosure is also directed to a method for producing these metallic effect pigments, and to the use thereof, as well as to a printing ink comprising the pigments.