Plastic film for medical liquid container
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United States of America Patent
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Sep 28, 2004
Grant Date -
Jul 3, 2003
app pub date -
Dec 27, 2002
filing date -
Jun 28, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A plastic film for medical liquid containers which includes at least thee layers, each layer not containing non-elastomeric block copolymer of benzene-ring-free olefin and propylene, such that the first layer, which is composed mainly of propylene homopolymer, the second layer, which contains polypropylene resin, polyethylene resin, and thermoplastic elastomer, and the third layer, which functions as a sealing layer and is composed mainly of copolymer of propylene and other monomers, are laminated without the aid of bonding layer, with the second layer acting as an intermediate layer.
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