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US 12,582,585 B2Granted
Peroxymonosulfate oral whitening compositions
AssigneeColgate-Palmolive Company
InventorsJonghun Lee, Cajetan Dogo-Isonagie
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Abstract
The present disclosure provides tooth whitening oral care compositions comprising potassium peroxymonosulfate having improved stability, and methods of using the same.
Claims20
A tooth whitening oral care composition comprising potassium peroxymonosulfate, calcium pyrophosphate (Ca2P2O7) and/or insoluble sodium metaphosphate ([NaPO3]n), a surfactant system comprising the combination of an anionic surfactant and a zwitterionic surfactant,
- wherein the weight ratio of the anionic and the zwitterionic surfactants is about 20:1 to about 1:1,
- wherein the zwitterionic surfactant is a betaine surfactant,
- wherein the composition contains less than 4% water by weight, and
- wherein the composition, when mixed with water at a 1:3 weight ratio and stirred at 4000 rpm for 120 seconds, produces a foam having an average bubble size (R32) of not more than 50 μm.
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Dependencies are inferred from the claim text.