Patent · US Expired

Transparent, UV resistant, thermoformable film made from crystallizable thermoplastics, its use and process for its production

US6902818B2 · kind B2 · utility

9Cited by

1References

25Claims

0Family size

Assignee

Mitsubishi Polyester Film GmbH · US

Inventors

Ursula Murschall · Nierstein, DE
Ulrich Kern · Ingelheim am Rhein, DE
Andreas Stopp · Ingelheim am Rhein, DE
Guenther Crass · Taunusstein, DE

Key dates

Filing date	Jan 10, 2001
Grant date	Jun 7, 2005
Priority date	—
Expiry date	Jan 10, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a transparent, UV-stabilized, single or multi-layered thermoformable film which contains, as a principal constituent, a crystallizable thermoplastic, preferably polyethylene terephthalate, and at least one UV-stabilizer. The inventive films are characterized by having a good stretchability, thermoformability and good optical and mechanical properties. Said films are suitable for outdoor uses just like shaped bodies made of the same.

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