Aqueous 2K PUR systems

US7005470B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Probst · Leverkusen, DE
• Martin Melchiors · Leverkusen, DE
• Gerhard Ruttmann · Burscheid, DE
• Thomas Stingl · Montabaur, DE
• Hartmut Ottensmann · Mülheim an der Ruhr, DE

Key dates

• Filing date: Mar 21, 2003
• Grant date: Feb 28, 2006
• Expiry date: Jan 24, 2024

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31551
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to aqueous two-component polyurethane systems comprising vinyl polymer polyol dispersions modified with reactive diluents, to a process for preparing them and to use as coating materials.