Polymeric films
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United States of America Patent
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Jun 7, 1994
Grant Date -
N/A
app pub date -
Dec 2, 1992
filing date -
Dec 3, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
Biaxially oriented polymeric films consisting of a core layer of voided polypropylene with a layer of non-voided polypropylene homopolymer on one surface and a layer of a heat sealable polymer on the non-voided layer, the other surface of the core layer having at least one non-voided polymeric layer thereon. Such films have shown good puncture resistance combined with good gloss for the heat sealable polymer layer on the non-voided homopolymer layer.
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