Patent · US Active

Multilayer film comprising cyclic olefin copolymer

US9783352B2 · kind B2 · utility

3Cited by

12References

21Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Karlheinz Hausmann · Auvernier, CH
Yves Trouilhet · Le Pont-de-Claix, FR

Key dates

Filing date	Jan 31, 2013
Grant date	Oct 10, 2017
Priority date	—
Expiry date	Dec 24, 2033

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/2826
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Disclosed is a multilayer film structure, comprising, in order, a puncture resistant layer comprising at least one cyclic olefin copolymer (COC) and at least one ionomer or polyolefin, a tie layer and a sealant layer. The structure can be coextruded and can be prepared using a triple bubble process.

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