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US 10,245,222 B2Granted
Dentifrice comprising zinc-amino acid complex
AssigneeColgate-Palmolive Company
InventorsLong Pan, Shaotang Yuan, Shira Pilch, James Masters, Zhiqiang Liu, Vyoma Patel
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Abstract
Disclosed herein are dentifrices comprising a zinc amino acid halide, which provide a precipitate of zinc oxide upon use with dilution with water and/or saliva. Methods of making and using the dentifrices are also provided.
Claims13
A dentifrice comprising a zinc-amino acid-halide complex, wherein the amino acid is lysine, and complex is a zinc lysine chloride complex having the chemical structure [Zn(C6H14N2O2)2Cl]+Cl−, either in solution of the cation [Zn(C6H14N2O2)2Cl]+ and the chloride anion, or in solid salt form, optionally in mono- or dihydrate form.
Dependencies are inferred from the claim text.