Use of associative thickeners based on polyurethane and/or dipropylene glycol monoalkyl ethers in colored and/or decorative effect multi-layered lacquers

US6900260B1 · kind B1 · utility

Assignee

• BASF COATINGS GMBH · DE

Inventors

• Ines Mangels · Hachenburg, DE
• Karl-Heinz Josten · Ismaning, DE
• Udo Nenner · Wertheim, DE
• Egon Wegner · Munster, DE
• Ekkehard Sapper · Rimpar, DE
• Nicola Zarse · Hachenburg, DE

Key dates

• Filing date: Aug 31, 2000
• Grant date: May 31, 2005
• Expiry date: Oct 4, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K3/346
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Use of associative thickeners based on polyurethane and/or dipropylene glycol monoalkyl ethers for suppressing defects in color and/or effect multicoat paint systems, or their touch-up paints.