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Colgate Dentrifice Contains Zinc and Polyphosphate Ions

Published March 5, 2014
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US Patent No. 8,628,755 B2; Colgate-Palmolive Company has patented a dentrifice containing a zinc ion source; a polyphosphate ion source; an anethole; and; a silica. The mean particle size of the silica is approximately 5-12 microns, an Einlehner hardness of approximately 1-20, and an oil absorption of about 40 to less than about 100cc/100g.

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