Aqueous polyurethane formulations

US5401582A · kind A · utility

Assignee

• BASF SE

Inventors

• Peter Weyland
• Karl Haeberle · Speyer, DE
• Reinhard Treiber · Leimen, DE

Key dates

• Filing date: May 13, 1994
• Grant date: Mar 28, 1995
• Expiry date: May 13, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/4935
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A finished leather comprising a leather to which has been applied a fat liquoring and/or water repellant agent, and a particularly formulated polyurethane adhesive improving bottoming coat composition applied thereto.