Tooth whitening

Details Tooth whitening Tooth whitening

A - Human Necessities

61

Q

A61Q 11/00 (2006.01) A61K 8/02 (2006.01) A61K 8/22 (2006.01) A61K 8/73 (2006.01)

Patent

CA 2597502

Tooth whitening compositions, tooth whitening films, and methods of whitening teeth are described. The tooth whitening compositions and tooth whitening films include a tooth whitening agent and a cellulose polymer of formula (I) wherein; R is H, C1-6alkyl, (C1-6 alkylO)mR2, or -C(O)Rl, wherein at least one R is H, one R is C1-6alkyl or (C1-6 alkylO)mR2, and one R is -C(O)Rl; R1 is C5- 10 aryl or C1-6alkyl, optionally substituted with at least one CO2H; R2 is H orC(O)R1; m is 1-5; and n is 2-350. The tooth whitening compositions are may be, for example, liquids or films that are applied to a tooth for a time sufficient to whiten the tooth.

L'invention concerne des compositions, des films et des procédés de blanchiment des dents. Ces compositions et films de blanchiment comprennent un agent blanchissant et un polymère cellulosique représenté par la formule (I) dans laquelle R est H, C1-6 alkyle, (C1-6 alkylO)mR2, ou -C(O)Rl, au moins un R étant H, au moins un R étant C1-6 alkyle ou (C1-6 alkylO)mR2, et un R étant -C(O)Rl; R1 est C5-10 aryle or C1-6 alkyle, éventuellement substitué avec au moins un CO2H; R2 est H ou C(O)R1; m vaut de1 à 5; et n vaut de 2 à 350. Les compositions de blanchiment de l'invention peuvent être constituées notamment par des liquides ou des films appliqués sur les dents pendant un temps suffisamment long pour obtenir l'effet souhaité.

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