Oriented polymeric microporous films with flexible polyolefins
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United States of America Patent
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Jun 8, 1999
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N/A
app pub date -
Dec 30, 1996
filing date -
Dec 30, 1996
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Abstract
The present invention relates to a microporous film including a flexible polyolefin, more particularly, a propylene-based polymer with atactic polypropylene units. The present invention is also directed to a method of making the microporous film.
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