Patent · US Active

Biaxially oriented matt polyester film with increased coefficient of friction

US10940667B2 · kind B2 · utility

0Cited by

0References

16Claims

0Family size

Assignee

Mitsubishi Polyester Film GmbH · US

Inventors

Dagmar Klein · Ockenheim, DE
Matthias Konrad · Kriftel, DE
Holger Kliesch · Ginsheim-Gustavsburg, DE
Artur MICHALSKI · Gau-Algesheim, DE
Viktor FISCHER · Oftersheim, DE

Key dates

Filing date	May 8, 2019
Grant date	Mar 9, 2021
Priority date	—
Expiry date	Sep 12, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2475/04
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The present invention relates to an at least two-layer biaxially oriented polyester film with at least one matt surface and with an increased coefficient of friction of this surface, with a total thickness from 8 to 75 μm. The film of the invention has excellent suitability as an external ply of animal-feed bags with matt appearance which on stacking are not subject to slippage between the same.

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