Polymeric films
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United States of America Patent
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Feb 18, 2003
Grant Date -
N/A
app pub date -
Feb 27, 2001
filing date -
Aug 28, 1998
priority date (Note) -
Expired
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Abstract
Biaxially oriented films having a substantially non-voided pigmented core layer of a propylene homopolymer, an intermediate layer of a voided propylene homopolymer, and two outer layers of a heat sealable olefin polymer. Such films can be heat sealed to form seals with high seal integrity.
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