Method for producing dispersant additives

US9573103B2 · kind B2 · utility

Assignee

• BYK-CHEMIE GMBH · DE

Inventors

• Bernd Göbelt · Wesel, DE
• René Nagelsdiek · Hamminkeln, DE
• Jürgen Omeis · Wulfen, DE
• Frederik Piestert · Wesel, DE
• Wolfgang Pritschins · Wesel, DE
• Natasa Meznaric · Duisburg, DE
• Daniela Schröder · Rheinberg, DE
• Werner Tiegs · Rees, DE

Key dates

• Filing date: May 5, 2012
• Grant date: Feb 21, 2017
• Expiry date: Jun 5, 2032

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K23/16
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to a method for producing an additive composition which in particular contains specific urea urethanes. The additive composition is extremely suitable as a wetting agent and dispersant.