Superabsorbent polymers having delayed water absorption characteristics
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United States of America Patent
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Issued Date -
May 12, 2005
app pub date -
Dec 15, 2004
filing date -
Jun 29, 1999
priority date (Note) -
Abandoned
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Abstract
A superabsorbent polymer comprising a delayed absorption superabsorbent polymer having a free water absorbency property of absorbing less than about 3 grams of aqueous saline per gram of superabsorbent polymer in about 6 seconds, for a full particle size distribution of superabsorbent polymer ranging from about 40 micrometers to about 890 micrometers.
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