The Procter & Gamble Company
Tooth whitening product
Last updated:
Abstract:
A tooth whitening product is provided. The tooth whitening product has a backing layer and a tooth whitening composition. The tooth whitening composition includes first and second water soluble polymers, water, and a tooth whitening agent, wherein the first water soluble polymer is polyethelene oxide and the second water soluble polymer is polyvinyl alcohol.
Status:
Grant
Type:
Utility
Filling date:
13 Dec 2016
Issue date:
3 Dec 2019