Colgate Dentrifice Contains Zinc and Polyphosphate Ions
March 5, 2014
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.