Biaxially oriented polypropylene high barrier metallized film for packaging
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United States of America Patent
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Issued Date -
Jul 7, 2005
app pub date -
Feb 28, 2005
filing date -
Feb 20, 2003
priority date (Note) -
Abandoned
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Abstract
A laminate film having a high crystalline propylene homopolymer resin layer of greater than about 93% isotactic content having a first surface and a second surface; a polyolefin resin layer disposed on the first surface, said polyolefin resin layer having a discharge-treated surface; a metal layer having an optical density of at least about 2.6 deposited on the discharge-treated surface of said polyolefin resin layer; and a heat sealable layer or a winding layer disposed on the second surface is disclosed.
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