Composite elements

US7223457B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Jurgen Mertes · Gau-Algesheim, DE
• Thomas Bartz · Lynden, US
• Georg Knoblach · Munich, DE
• Heike Wild · Olching, DE
• Stephen Kennedy · Ottawa, CA

Key dates

• Filing date: Oct 25, 2000
• Grant date: May 29, 2007
• Expiry date: May 15, 2022

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31678
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

The invention relates to composite elements comprising the following layered structure: (i) 2 to 20 mm metal, (ii) 10 to 300 mm plastic, (iii) 2 to 20 mm metal, whereby (i) and/or (iii) optionally comprise a closable opening.