公开(公告)号：US20170227512A1

公开(公告)日：2017-08-10

申请号：US15319608

申请日：2014-06-20

Applicant: COLGATE-PALMOLIVE COMPANY

Inventor： Neelima UTGIKAR ,  Maya BHANSALI ,  Ekta SHAH ,  Shashank POTNIS ,  Richard SULLIVAN

IPC: G01N33/15 ,  G09B19/00 ,  A61K8/25 ,  A61K8/24 ,  G01N21/88 ,  A61Q11/00

CPC classification number: G01N33/15 ,  A61K8/24 ,  A61K8/25 ,  A61K8/347 ,  A61K8/36 ,  A61K8/97 ,  A61K8/987 ,  A61Q11/00 ,  G01N21/8803 ,  G09B19/0084

Abstract: An in vitro method for demonstrating the stain removal efficacy of an oral care composition comprising (a) providing a substrate, (b) providing a staining solution, (c) providing a treatment solution comprising the oral care composition, (d) immersing the substrate in the staining solution, (e) removing the substrate from the staining solution, (f) evaluating the color of the stained substrate, (g) applying the treatment solution to the substrate and (h) evaluating the color of the treated substrate, wherein the staining solution comprises coffee is provided.