Patent · US Expired

Matt, biaxially oriented polyester film

US6630224B2 · kind B2 · utility

14Cited by

9References

25Claims

0Family size

Assignee

Mitsubishi Polyester Film GmbH · US

Inventors

Herbert Peiffer · Mainz, DE
Guenther Crass · Taunusstein, DE
Gottfried Hilkert · Saulheim, DE

Key dates

Filing date	Sep 10, 2001
Grant date	Oct 7, 2003
Priority date	—
Expiry date	Sep 10, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31786
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a matt, biaxially oriented polyester film having at least one matt base layer (B) which comprises at least 70% by weight of thermoplastic polyester, and also a pigment system with narrow grain size distribution. The invention further relates to the use of the film and to a process for its production. The film of the invention has characteristic matt surfaces and has good suitability for use as a packaging film or for industrial applications.

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