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US 10,588,840 B2Granted
Oral care compositions and methods of use
AssigneeColgate-Palmolive Company
InventorsMarcella Mourao, Wilbens Josias, Betty Won, Lisa Manus, Michael Stranick, Xiaoyi Huang, Michael Prencipe, Amy Russo, Hansruedi Stettler, Peng Yan, Chengkang Tan, Vyoma Patel, Andre Michelle Morgan, Andrei Potanin
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Abstract
Described herein are oral care compositions comprising a basic amino acid; a combination of zinc ion sources; and from about 0.75 wt. % to about 2 wt. % of a chelating system; along with methods of making and using same.
Claims18
An oral care composition comprising:
- a. a basic amino acid in free or salt form wherein the amino acid is arginine;
- b. a combination of zinc ion sources, wherein the zinc ion sources comprise zinc oxide and zinc citrate, and wherein the weight ratio of zinc oxide to zinc citrate is about 2:1;
- c. from about 1% wt % to about 2 wt. % of a chelating system, wherein the chelating system comprises tetrasodium pyrophosphate;
- d. a thickening system comprising one or more selected from the group consisting of xanthan gum, finely divided silica;
- wherein the oral care composition loses less than about 5% of its initial viscosity after 13 weeks.
2 more elements
Dependencies are inferred from the claim text.