Amorphous silicas and oral compositions
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United States of America Patent
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Jun 4, 2002
Issued Date -
N/A
app pub date -
Sep 14, 1999
filing date -
Jan 19, 1996
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Abstract
An amorphous silica having an RDA value of between 40 and 70, an oil absorption capacity of between 90 and 145 cc/100 g and a moisture loss of less than 7% w/w, can be incorporated at a 10% to 25% loading into a transparent toothpaste having a refractive index of below 1.445, this toothpaste having an RDA value of less than 60.
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