Polyurethane resin with high carbonate group content

US6927254B2 · kind B2 · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Martin Melchiors · Leverkusen, DE
• Thomas Munzmay · Dormagen, DE
• Torsten Pohl · Cambridge, US
• Uwe Klippert · Burscheid, DE

Key dates

• Filing date: Nov 5, 2003
• Grant date: Aug 9, 2005
• Expiry date: Nov 5, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/44
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to solvent-borne polyurethane resins with a high carbonate group content which are dilutable in water, to aqueous coating compositions prepared thereof, to a process for preparing them and to their use.