Deposition of osmotic absorbent onto a capillary substrate without deleterious interfiber penetration and absorbent structures produced thereby
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United States of America Patent
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-
Feb 8, 2000
Issued Date -
N/A
app pub date -
Jul 19, 1996
filing date -
Nov 18, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An absorbent structure comprising freestanding osmotic absorbent sites disposed on or within a capillary substrate. The sites extend outwardly normal to the plane of the absorbent structure or fill apertures within the plane of the absorbent structure. Upon imbibing liquids, the sites of osmotic absorbent can expand without constraint from the substrate.
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