Substantially biodegradable and compostable high-barrier packaging material and methods for production
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United States of America Patent
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Jul 8, 2014
Grant Date -
Jul 15, 2010
app pub date -
Jun 6, 2008
filing date -
Jul 3, 2007
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Abstract
Bio-degradable, high-barrier packaging materials and methods for production are provided. The present high-barrier packaging materials include a substrate having a print side and a back side, a coating having nano pigments on the print side and a metalized film applied to the back side with a binding layer. Preferably, at least one of the metalized film and the binding layer includes polylactic acid. Moreover, the back side preferably also includes a polylactic acid heat seal layer.
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