Trilaminate film for forming sideweld bags
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United States of America Patent
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-
Jun 30, 1981
Issued Date -
N/A
app pub date -
Oct 26, 1977
filing date -
Oct 22, 1976
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sideweld bags having strong sidewelds can be made from a trilaminate film comprising a core layer of an ethylene-propylene block copolymer sandwiched between skin layers of polypropylene or an ethylene-propylene random copolymer.
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