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US 2020/0206115 A1Published application
Teeth Whitening Methods, Visually Perceptible Signals And Compositions Therefor
AssigneeColgate-Palmolive Company
InventorsZhiqiang LIU, Long PAN, Shaotang YUAN, Jairajh MATTAI, James MASTERS
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Abstract
Described herein are methods of cleaning a tooth comprising administering a composition comprising a zinc amino acid halide complex to the oral cavity; and retaining the composition in the oral cavity for a time sufficient to form a precipitate.
Claims12
1-15. (canceled)
A composition comprising a zinc amino acid halide complex, wherein when the composition is retained in the oral cavity for a time sufficient to form a precipitate, the precipitate provides a signal to the user.
Dependencies are inferred from the claim text.