Environmentally-friendly multi-layer flexible film having barrier properties
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United States of America Patent
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May 17, 2011
Grant Date -
Jul 3, 2008
app pub date -
Feb 14, 2008
filing date -
Aug 14, 2006
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Abstract
A multi-layer film with barrier properties having two or more layers made from a bio-based film is disclosed. In one aspect, the print web comprises a bio-based film. In one aspect, the barrier web comprises a bio-based film. In one aspect, a bio-based adhesive adheres the print web to the barrier web. The bio-based film can include paper, PCR, polylactide or polyhydroxy-alkanoate. Unlike prior art petroleum-based films, the bio-based film of the present invention is made from a renewable resource and is biodegradable.
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