Multilayer polymeric barrier film, flexible packaging made therewith, and methods
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United States of America Patent
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Issued Date -
Mar 2, 2006
app pub date -
Aug 31, 2004
filing date -
Aug 31, 2004
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Abandoned
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Abstract
A flexible multilayer polymeric film comprising a flexible base polymer layer, a flexible cyclic olefin copolymer layer which is adhered to the base polymer layer and comprises a cyclic olefin copolymer, and a vapor deposited layer on an exposed surface of the flexible cyclic olefin copolymer layer, the vapor deposited layer comprising at least one barrier coating. Such film is particularly useful to make flexible packaging and the base polymer layer can comprise unoriented polymer in preferred embodiments.
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