Gregory Szewczyk,Neeta A. Patel,Suzanne Jogun,Shashank Potnis
申请号：
US15107562
公开号：
US10045927B2
申请日:
2014.12.10
申请国别(地区):
US
年份:
2018
代理人:
摘要：
Surface staining can be minimized or eliminated by providing an oral care composition comprising a first film comprising a pigment； and optionally a second film； wherein the first film has a dissolution rate in aqueous media that is inversely proportional to its thickness, wherein the first film is in the form of a particle.
