Polymer matrix material
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United States of America Patent
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Oct 10, 2006
Grant Date -
Dec 30, 2004
app pub date -
Apr 5, 2004
filing date -
Feb 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The polymer matrix material includes a polymerization product of one or more monomers selected from the group of water-soluble, ethylenically-unsaturated acids and acid derivatives, and a crosslinking agent. A quantity of water is used for polymerization, such that the polymer material is swelled to a defined volume upon curing. Optionally, a water-soluble or water-swellable polymer and/or a chemical polymerization initiator.
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