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1. (WO2018044273) STABLE WHITENING DENTIFRICE COMPOSITION WITH COLORANT-CONTAINING PARTICLES

Pub. No.:    WO/2018/044273    International Application No.:    PCT/US2016/049448
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Wed Aug 31 01:59:59 CEST 2016
IPC: A61Q 11/00
A61K 8/92
A61K 8/22
Applicants: COLGATE-PALMOLIVE COMPANY
Inventors: FEI, Lin
CHOPRA, Suman
MANDADI, Prakasarao
Title: STABLE WHITENING DENTIFRICE COMPOSITION WITH COLORANT-CONTAINING PARTICLES
Abstract:
Disclosed is a dentifrice composition including an orally acceptable vehicle including a whitening agent, and at least one particle that include a colorant encapsulated by a protective barrier that includes a paraffin wax, wherein the protective barrier suppresses migration of the colorant into the orally acceptable vehicle for a duration of time of at least about 1 day. Methods of preparing the dentifrice composition and using the composition to whiten tooth surfaces are also disclosed.