Abrasive tooth whitening dentifrice of improved stability
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United States of America Patent
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Oct 26, 1993
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N/A
app pub date -
Sep 13, 1991
filing date -
Sep 13, 1991
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Abstract
Abrasive dentifrice compositions containing an oxygen liberating whitening compound which is stable with respect to oxygen level and exhibits heightened and rapid whitening of teeth and stain removal which comprises a combination of a dicalcium phosphate compound and a metal ion free peroxide compound.
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