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US 10,588,841 B2Granted
Oral care compositions comprising zinc amino acid halides
AssigneeColgate-Palmolive Company
InventorsLong Pan, Shaotang Yuan, Shira Pilch, James Masters, Zhiqiang Liu
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Abstract
Disclosed herein are oral care compositions comprising a zinc amino acid halide. Methods of making and using the compositions are also provided.
Claims11
A method of treating or reducing dental enamel erosion, cleaning the teeth, reducing bacterially-generated biofilm and plaque, reducing gingivitis, inhibiting tooth decay and formation of cavities, and/or reducing dentinal hypersensitivity, comprising applying an oral care composition comprising a zinc amino acid halide complex to the teeth and rinsing with water or aqueous solution;
- wherein the amino acid is lysine, and the complex has the chemical structure [Zn(C6H14N2O2)2Cl]+ Cl− in solid salt form, optionally in mono- or dihydrate form;
- and
- wherein the composition is in the form of a toothpaste, powder, cream, strip, or gum.
Dependencies are inferred from the claim text.