Multilayer films from the use in crash pads

US4970108A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Joachim Wank · Dormagen, DE
• Werner Waldenrath · Cologne, DE
• Walter Uerdinger · Leverkusen, DE
• Dieter Freitag · Krefeld, DE
• Hans-Eberhard Braese · Cologne, DE

Key dates

• Filing date: Mar 30, 1990
• Grant date: Nov 13, 1990
• Expiry date: Mar 30, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31554
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

This invention relates to multilayer films composed of thermoplastic films, tough elastic polyurethane films and optionally a sealing layer and to the use of these multilayer films for the manufacture of crash pad films, i.e. as outer skin for automobile dash boards.