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US 10,646,420 B2Granted
Oral care compositions and methods of use
AssigneeColgate-Palmolive Company
InventorsAarti Rege, Michael Prencipe, Paul Thomson, Rehana Begum-Gafur
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Abstract
This invention relates to oral care compositions comprising zinc phosphate, a first source of stannous (e.g., stannous fluoride); and a second source of stannous, wherein the second source of stannous comprises stannous pyrophosphate, as well as to methods of using and of making these compositions.
Claims12
An oral care composition comprising:
- a zinc source comprising zinc phosphate, the amount of zinc phosphate is from 0.05 to 10% by weight, relative to the weight of the oral care composition;
- a first source of stannous, wherein the stannous comprises stannous fluoride;
- a second source of stannous, wherein the second source of stannous comprises stannous pyrophosphate;
- a citrate buffer system, wherein the buffer system comprises tri-sodium citrate and citric acid;
- and
- wherein the water concentration of the oral care composition is between 15.0% to 35.0% by wt. of the composition.
3 more elements
Dependencies are inferred from the claim text.