Multilayer liquid absorption and deformation devices
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United States of America Patent
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Feb 11, 2003
Issued Date -
N/A
app pub date -
Jun 30, 2000
filing date -
Dec 31, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A multilayer device comprised of at least one layer of material which is capable of absorbing liquid to thereby increase the volume of the layer, i.e., liquid swellable, and when bound to at least one non-absorbing or lesser absorbing layer of material causes deformation of the device upon liquid absorption.
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