A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 8/22 (2006.01) A61K 8/42 (2006.01) A61Q 11/00 (2006.01)
Patent
CA 2553672
A peroxide containing dual component dentifrice composition providing enhanced whitening efficacy and minimal gingival irritation and tooth sensitivity, the composition being comprised of a separately maintained first aqueous dentifrice component containing a peroxide compound and an abrasive system compatible with the peroxide and a second aqueous dentifrice component containing a desensitizing compound and an abrasive that is incompatible with peroxide compound whereby when the components are mixed and combined for the first time and exposed to the surface of teeth, an enhanced whitening effect is obtained with minimal tooth sensitivity and gum irritation.
L'invention concerne une composition de dentifrice à deux composants contenant du peroxyde, ayant un effet blanchissant plus efficace et entraînant une irritation gingivale et une sensibilité dentaire minimales. La composition selon l'invention comprend un premier composant de dentifrice aqueux qui contient un composé peroxyde et un système abrasif compatible avec le composé peroxyde, ainsi qu'un deuxième composant de dentifrice aqueux qui contient un composé désensibilisateur et un abrasif incompatible avec le composé peroxyde, ces deux composants étant maintenus séparés. Selon l'invention, lesdits composants sont mélangés et combinés pour la première fois, puis appliqués sur la surface des dents. L'effet blanchissant est amélioré, tandis que la sensibilité dentaire et l'irritation gingivale restent minimales.
Lin Nora Chila
Viscio David B.
Zaidel Lynette Anne
Colgate-Palmolive Company
Smart & Biggar
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