Patent · US Active

Composite elements made from polyurethane materials having surfaces consisting of thermoplastic or metallic layers and a process for their production

US7638197B2 · kind B2 · utility

3Cited by

10References

2Claims

0Family size

Assignee

Bayer MaterialScience AG · DE

Inventors

Peter Haas · Brisbane, AU
Dirk Wegener · Bielefeld, DE
Reiner Paul · Frankenthal (Pfalz), DE
Detlef Mies · Elsdorf, DE

Key dates

Filing date	Jan 27, 2005
Grant date	Dec 29, 2009
Priority date	—
Expiry date	Dec 1, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31551
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to composite elements constructed from an outer layer (i), a fiber-reinforced polyurethane (PU) material which contains in-mold release additives as a supporting layer (ii), and optionally, a decorative inner layer (iii). This invention also relates to suitable processes for the production of these composite elements and to body components comprising these composite elements.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.