Process for the preparation of iron ion containing water-absorbent polymers with low residual monomer content
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United States of America Patent
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Issued Date -
Jul 14, 2005
app pub date -
Dec 9, 2004
filing date -
Jun 26, 2002
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Abandoned
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Abstract
The residual monomer content of water-absorbent carboxyl-containing polymers is reduced using iron ions.
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