Gas-barrier material

Details Gas-barrier material Gas-barrier material

2007-01-23

2007-01-23

Nakarani, D. S. (Department: 1773)

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

C428S336000

Reexamination Certificate

active

10504085

ABSTRACT:
A gas-barrier laminate comprising a base film, a thin film formed on the base film and comprising a metal compound selected from the group consisting of oxides, carbides and nitrides of metals, and mixtures thereof, and a plastic film formed on the metal compound thin film in which a film obtained by forming the metal compound thin film on the base film is subjected to a heat treatment, and having an oxygen permeability of not more than 2 cc/m2/day/atm, wherein when the laminate is subjected to hydrothermal treatment at 120° C. for 30 min, a change in oxygen permeability of the laminate between before and after the hydrothermal treatment is not more than 5.

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patent: WO00/10803 (2000-02-01), None
patent: WO 02/32659 (2002-04-01), None

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