Absorbent structure comprising water-swellable material
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United States of America Patent
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May 24, 2011
Grant Date -
Jul 2, 2009
app pub date -
Mar 5, 2009
filing date -
Aug 6, 2003
priority date (Note) -
Expired
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Abstract
An absorbent structure formed from a process of providing water-swellable material that includes water-swellable polymer particles, which are coated with a coating agent. The coating agent is a phase-separating elastomeric material that has a first and second glass transition temperature. The coated water-swellable polymer particles are able to swell without breakage of the coating.
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