BIODEGRADABLE PACKAGE WITH SEALANT LAYER
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United States of America Patent
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Issued Date -
Aug 29, 2013
app pub date -
Feb 27, 2012
filing date -
Feb 27, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A multi-layer packaging film comprising a bio-based layer and method for making the same. An outer layer comprising a bio-based film is adhered to a product side layer comprising a bio-based film having barrier properties. A non-compostable sealant layer is pattern applied to a portion of the product side layer. Because a portion of the bio-based product side layer is exposed, upon opening of the package the product side layer is susceptible to moisture. This allows for subsequent biodegradation or compostability of the films. In another embodiment the sealant layer comprises a water permeable material. Upon opening of the package moisture can subsequently contact the product side layer and initiate biodegradation.
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