Crosslinked polysaccharide, obtained by crosslinking with substituted polyethylene glycol, as superabsorbent
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United States of America Patent
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Apr 29, 2008
Grant Date -
Feb 6, 2003
app pub date -
Nov 9, 2001
filing date -
Nov 10, 2000
priority date (Note) -
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Abstract
New crosslinked polysaccharides useful as absorbents or superabsorbents alone or in a mixture are obtained by reacting polysaccharides (preferably containing carboxylates groups) with at least one crosslinker selected in the group constituted by activated polyethylene glycols such as for example halogenated (Cl, Br, I), mesylated, tosylated, or triflated activated polyethylene glycols.
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