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US 12,214,063 B2Granted
Peroxymonosulfate whitening strips
AssigneeColgate-Palmolive Company
InventorsCajetan Dogo-Isonagie, Suman Chopra, Xiang Chen
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Abstract
The present disclosure provides a tooth whitening strip comprising a hydratable adhesive film comprising an inorganic salt of peroxymonosulfate, preferably an alkali metal salt or alkaline earth metal salt, or mixtures thereof, and methods of using the same.
Claims11
A tooth whitening strip comprising:
- a hydratable adhesive film consisting of:
- from about 60 to about 90%, by weight, of water-soluble or water-swellable polymers, the water-soluble or water-swellable polymers consisting of a polyvinylpyrrolidone polymer and a polyethylene glycol polymer;
- from about 0.1 to about 10%, by weight, of an inorganic salt of peroxymonosulfate, the inorganic salt of peroxymonosulfate being dispersed in the hydratable adhesive film;
- water;
- and
- a buffering agent,
- wherein all weight percentages are based on the total weight of the strip.
4 more elements
A tooth whitening strip consisting of:
- a hydratable adhesive film consisting of:
- one or more polyvinylpyrrolidone polymer,
- a polyethylene glycol,
- an inorganic salt of peroxymonosulfate dispersed in the hydrated adhesive film,
- a buffering agent, and
- water;
- an inert paper or plastic backing affixed to the hydratable adhesive film;
- and
- a removable inert paper or plastic backing removably affixed to the hydratable adhesive film.
6 more elements
Dependencies are inferred from the claim text.