Fibers and filters containing said fibers
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United States of America Patent
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-
Dec 3, 1991
Issued Date -
N/A
app pub date -
Dec 18, 1989
filing date -
Jan 23, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a fiber comprising a major amount of a continuous phase comprising one or more melt processible polyesters of fiber forming molecular weight, and a minor amount of one or more polyolefins non-uniformly dispersed in said continuous phase such that the concentration of polyolefins at or near the surface of said fiber is greater than the concentration of polyesters at or near the surface of said fiber, and a process for preparing said fiber.
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Cited Art Landscape
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