ACTIVE PACKAGING WITH CONTROLLED RELEASE OF TOCOPHEROL
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United States of America Patent
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N/A
Issued Date -
Nov 1, 2012
app pub date -
Aug 8, 2008
filing date -
Aug 9, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A material for active antioxidant packaging, flexible or rigid, is described, preferably for foods or products vulnerable to any type of oxidation, the material consists of a system promoting migration of an active component to the packaged product during its storage or marketing; it replaces the direct addition of antioxidants to the packaged product and lengthens its shelf life. This material is formed by ≧89% of base polymer, 3.5 to 10% by weight of tocopherol antioxidant, and 0.1 to 1.0% by weight of any surface modifier having a hydrophobic portion and a hydrophilic portion in its molecule, whose use as additive in contact with foods is approved by FDA.
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