Patent · US Active

Biaxially oriented polypropylene film provided with a cold-seal adhesive coating and having excellent lubricating properties

US7678461B2 · kind B2 · utility

1Cited by

19References

18Claims

0Family size

Assignee

Treofan Germany GmbH & Co. KG · DE

Inventors

Angela Speith-Herfurth · Egelsbach, DE
Robert Hansohn · Kirkel, DE

Key dates

Filing date	Apr 8, 2004
Grant date	Mar 16, 2010
Priority date	—
Expiry date	Mar 15, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31938
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a multi-layer biaxially oriented polypropylene film consisting of a base layer at least one first cover layer. The base layer contains a hydrocarbon resin, and the cover layer contains a polydialkylsiloxane with a viscosity of at least 200.000 mm2/sec. The first cover layer is provided with a cold-seal adhesive coating on its outer surface.

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