Multiple layer packaging film
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United States of America Patent
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May 11, 1993
Issued Date -
N/A
app pub date -
Nov 3, 1988
filing date -
May 4, 1983
priority date (Note) -
Expired
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Abstract
A multiple layer packaging film is based on three layers and wherein polyethylene terephthalate is one of the layers. All three layers are oriented. The three layers may be used as a stand-alone film, or may be combined with other layers to achieve additional beneficial properties. Desirably, the polyethylene terephthalate may be metallized, then laminated to a reverse printed layer of oriented polypropylene or polyester.
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