Stearic acid-treated calcium carbonate compositions having low or no detectable free stearic acid and related methods
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United States of America Patent
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Nov 12, 2013
Grant Date -
Jun 30, 2011
app pub date -
Sep 4, 2009
filing date -
Sep 12, 2008
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Abstract
A method for treating calcium carbonate includes combining calcium carbonate with an amount of stearic acid and an amount of water to form a mixture, the amount of water being at least about 0.1% by weight relative to the total weight. The method further includes blending the mixture to form a stearic acid-treated calcium carbonate composition.
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