Packaging film
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United States of America Patent
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Feb 22, 2000
Grant Date -
N/A
app pub date -
Nov 3, 1997
filing date -
Nov 3, 1997
priority date (Note) -
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Abstract
A packaging film which is transparent to UV light and has a barrier action against water vapor and gases features at least one substrate layer of a polyolefin or polyamide with a ceramic coating of SiO.sub.x, where x is a number from 1.5 to 2 and the thickness of the ceramic layer is 10 nm to 2 .mu.m. The packaging film is suitable for packaging basic and luxury foodstuffs that are sterilized in the packaged condition by radiation with UV light.
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