Water-dilutable polyesters with cyclic imide structure

US7183352B2 · kind B2 · utility

Assignee

• Bayer MaterialScience AG · DE

Inventors

• Christian Wamprecht · Neuss, DE
• Hans-Gerd Van Treek · Kleve, DE
• Raul Pires · Cologne, DE
• Ulrich Freudenberg · Hirschberg, DE
• Robert Reyer · Tönisvorst, DE

Key dates

• Filing date: Aug 11, 2003
• Grant date: Feb 27, 2007
• Expiry date: Jul 6, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31786
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present invention relates to novel polyesterpolyols with cyclic imide structure and to their use in coating compositions.