Patents

Oral Compositions with Improved Tin Compatability

P&G's formulations contain stannous fluoride, an additional tin compound and an abrasive.

US Patent No. 11,369,551 B2 (Lawrence Edward Dolan, William Michael Glandorf, Sanjeev Midha, Eva Schneiderman, Carl E. Catrenich, Marianne Zsiska); The Procter & Gamble Company has patented an oral care composition that is contains stannous fluoride, an additional tin compound and  an abrasive comprising spherical silica particles (comprised of a d50 median particle size in a range from about 8 to about 20 μm; a BET surface area in a range from 0 to about 10 m2/g; and a total mercury intrusion pore volume in a range from about 0.2 to about 1.5 cc/g) . The oral care composition has a detection time of bacteria of greater than or equal to about 5.5 hours.

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