Heat Treated Silica for Improved Dentifrice
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United States of America Patent
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Issued Date -
Jul 30, 2015
app pub date -
Jan 26, 2015
filing date -
Jan 27, 2014
priority date (Note) -
Abandoned
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Abstract
Heat treated silica materials are disclosed, together with methods of making such materials, and dentifrice compositions containing the heat treated silica materials. The heat treated silica materials can contain trace amounts of cristobalite, typically less than 1 wt. %, and the heat treated silica materials often have a loss on ignition of less than about 2 wt. %.
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