Barrier packaging material for infusion solution
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United States of America Patent
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Jul 21, 1992
Grant Date -
N/A
app pub date -
Dec 28, 1990
filing date -
Oct 9, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A barrier packaging material for an infusion solution including an intermediate layer including an ethylene-vinyl alcohol copolymer, and co-extrusion layers including an ethylene-vinyl acetate copolymer which have respectively been dry-laminated on both sides of the intermediate layer, wherein the ethylene-vinyl acetate co-extrusion layer includes a middle layer having a vinyl acetate content of 15 to 25 wt. %, and an upper layer and a lower layer each having a vinyl acetate content of 5 to 9 wt. % respectively disposed on both sides of the middle layer.
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