Environmentally-friendly multi-layer flexible film having...

Stock material or miscellaneous articles – Hollow or container type article – Nonself-supporting tubular film or bag

Reexamination Certificate

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C428S034700, C428S034800, C428S035200, C428S035300, C428S035600, C428S035900, C428S036600, C428S036700, C428S411100, C428S480000

Reexamination Certificate

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07943218

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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