Orientied microporous film
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United States of America Patent
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-
Sep 19, 1989
Grant Date -
N/A
app pub date -
Sep 14, 1987
filing date -
Sep 14, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A microporous article is provided. The article comprises a thermoplastic polymeric structure having a plurality of cells with adjacent cells being interconnected by passageways to provide a network of communicating pores. The structure is oriented in at least one direction.
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