METHOD FOR THE PRODUCTION OF A MULTILAYER LAMINATE, AND MULTILAYER LAMINATE
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United States of America Patent
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Issued Date -
Feb 4, 2010
app pub date -
Nov 30, 2007
filing date -
Dec 1, 2006
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method for the production of a multilayered laminate, especially for the production of packagings, having at least one or two oriented film(s) (40) and at least one barrier layer (30), the following steps being carried out: providing two, especially sealable, outer films (40), at least one outer film (40) being an oriented outer film (40), and extruding in between the two outer films (40) an at least three-ply extrudate having a barrier layer material, the extrudate being in the form of a barrier-containing extruded bonding layer (60), andthe barrier-containing extruded bonding layer (60) being bounded by two outer plies (10) which are each laminated directly onto the respective outer film (40). The invention relates also to a multilayered laminate produced by this method.
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