Patents

Oral Compositions with Improved Tin Compatability

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

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By: Christine Esposito

Editor-in-Chief

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 intrus...

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