Particle-loaded nonwoven fibrous article for separations and purifications
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United States of America Patent
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Jul 12, 1994
Issued Date -
N/A
app pub date -
Aug 14, 1992
filing date -
Oct 11, 1991
priority date (Note) -
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Abstract
A particle loaded, porous, fibrous compressed or fused article comprises a nonwoven fibrous polymeric web, which preferably is thermoplastic, melt-extrudable, and pressure-fusible blown microfibrous web, and sorptive particles enmeshed in said web, the particle loaded fibrous article has a Gurley number of at least two seconds, and the article is useful in separation science. A method of preparation of the article and method of use is also disclosed.
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