Patents

P&G Patents Tooth Stain Reduction Method

Stannous fluoride is a key component.

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By: Christine Esposito

Editor-in-Chief

US Patent No. 10,596,086 B2 (Niranjan Ramji, Douglas Craig Scott); The Procter & Gamble Company has patented a dentifrice composition that contains stannous fluoride; sodium lauryl sulfate; of a polyphosphate selected from the group consisting of dialkali or tetra alkali metal pyrophosphate salts, tripolyphosphate, and mixtures thereof; and a flavoring agent comprising 4-methoxybenzaldehyde (anisaldehyde); 1,3-benzodioxole-5-carbaldehyde (heliotropin); 3,4-dimethoxybenzaldehyde (veratraldeh...

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