Hydrogel compositions for tooth whitening
AssigneesA. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Corium International, Inc.
InventorsParminder Singh, Gary W. Cleary, Sri Mudumba, Mikhail M. Feldstein, Danir R. Bairamov
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Abstract
A composition is provided, wherein the composition comprises a water-swellable, water-insoluble polymer, a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding to the hydrophilic polymer, and a whitening agent, preferably a peroxide. The composition finds utility as a tooth whitening composition and is applied to the teeth in need of whitening, and then removed when the degree of whitening has been achieved. In certain embodiments, the composition is translucent. Methods for preparing and using the compositions are also disclosed.
Claims61
A composition comprising:
- (a) a water-swellable, water-insoluble polymer;
- (b) a blend of a hydrophilic polymer and a complementary oligomer capable of hydrogen bonding to the hydrophilic polymer;
- and
- (c) a whitening agent.
Dependencies are inferred from the claim text.