Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chiharu Okawara0
Shigenobu Yoshida0
Soko Yamagami0
Tooru Hachisuka0
Date of Patent
October 30, 2007
0Patent Application Number
116048350
Date Filed
November 28, 2006
0Patent Primary Examiner
Patent 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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