Fluoride colloid and oral composition
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United States of America Patent
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Jul 14, 1992
Issued Date -
N/A
app pub date -
Jun 10, 1991
filing date -
May 31, 1989
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Expired
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Abstract
A colloidal solution comprises a fluoride(s) being difficultly soluble in water comprises colloidal particles of the fluoride having a particle size of 0.005 to 1 micron, said fluoride having a fluoride ion concentration of 1 to 10,000 ppm in the state of saturation.
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