Aqueous dispersions containing polyurethanes with carbodiimide groups

US6395824B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Kuno Beutler · Lambsheim, DE
• Karl Haberle · Speyer, DE
• Rainer Hummerich · Worms, DE
• Ulrike Licht · Mannheim, DE
• Nicolas Kokel · Alleins, FR
• Reinhard Treiber · Leimen, DE
• Helmut Kaehs · Niederkirchen, DE
• Ralf Mossbach · Stavenhagen, DE
• Thomas Gotz · Hagnau, DE

Key dates

• Filing date: Jan 28, 2000
• Grant date: May 28, 2002
• Expiry date: Jan 28, 2020

Classification

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

Abstract

Aqueous dispersions comprising a polyurethane which comprises carbodiimide structural units of the formula (I)—N═C═N—  (I).