Melt-blown fibrous electrets
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United States of America Patent
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-
Aug 5, 1980
Grant Date -
N/A
app pub date -
Feb 6, 1978
filing date -
Feb 6, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A persistent electric charge is introduced into melt-blown fibers during the melt-blowing process. When these charged fibers are incorporated into fibrous webs, they provide unique properties, including improved filtering properties.
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Cited Art Landscape
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