Water-dispersible organoclays
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United States of America Patent
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May 17, 2011
Grant Date -
Apr 16, 2009
app pub date -
Oct 16, 2008
filing date -
Oct 16, 2007
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Expired
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Abstract
The surface of hydrophobically-modified smectite clays (i.e., organophilic clays) are modified using a hydrophilic polymer, wherein the hydrophilic surface-modification of a hydrophobically-modified smectite clay with a hydrophilic polymer, renders the organoclays adequately dispersible in water.
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