Patent · US Active

Label film for deep-draw processes

US8974908B2 · kind B2 · utility

0Cited by

7References

15Claims

0Family size

Assignee

Treofan Germany GmbH & Co. KG · DE

Inventors

Mathias Roth · Schneeberg, DE
Karl-Heinz Kochem · Neunkirchen, DE
Wilfrid Tews · Bechhofen, DE
Axel Mueller · Wiesbaden, DE

Key dates

Filing date	Jun 28, 2008
Grant date	Mar 10, 2015
Priority date	—
Expiry date	Jan 31, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31909
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The invention relates to the use of a multilayered, opaque, biaxially oriented polyolefin film of a vacuole-containing base layer and at least one inner cover layer comprising at least 30-95% by weight of a copolymer and/or terpolymer I having a seal initiation temperature I of 70-105° C. and 5 to 70% by weight of an incompatible polyethylene, each of the specifications in percent by weight being based on the weight of the inner cover layer and the inner cover layer having a seal initiation temperature II of 80 to 110° C.

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