Thermoformable laminate
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United States of America Patent
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-
Apr 5, 1988
Grant Date -
N/A
app pub date -
Aug 4, 1986
filing date -
Aug 4, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A thermoformable polymeric laminate with good optical properties, extended shelf life, and memory characteristics comprises a core layer comprising an oxygen barrier material; a polyamide layer disposed on each surface respectively of the core layer, the polyamide having controlled crystallinity; a sealant layer; an outer layer comprising a moisture barrier material; and an intermediate layer disposed between the polyamide layer and each of the sealant layer and outer layer respectively, and comprising an anhydride grafted polyolefin.
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