McDermott Will & Emery LLP
Hydrogel compositions for tooth whitening
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.
A.V.Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences Corium International, Inc.
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Parminder Mikhail M. Gary W. Danir F. Sri
Singh Feldstein Cleary Bayramov Mudumba