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US 10,646,417 B2Granted
Dentifrice composition
AssigneeBlock Drug Company, Inc.
InventorHeather McGill
Life of this patent
Estimating the term…
Abstract
The present invention relates to a dentifrice composition comprising a stannous salt e.g., stannous fluoride and a water-soluble alkali metal tripolyphosphate e.g., sodium tripolyphosphate and a non-aqueous carrier and wherein the composition is substantially free of any water and does not comprise a source of zinc ions or an aqueous buffer system.
Claims2
A single-phase dentifrice composition comprising
- about 0.45% by weight stannous fluoride;
- about 5% by weight sodium tripolyphosphate as an anti-stain agent;
- and a non-aqueous carrier, wherein the said non-aqueous carrier comprises about 55% by weight of glycerin, about 20% weight of polyethylene glycol, about 14% by weight of an abrasive and thickening silica, about 0.8% by weight of a carbomer polymer, about 1.1% by weight of sodium lauryl sulphate, about 0.4% by weight of cocoamidopropyl betaine, and one or more flavouring agents and opacifiers;
- and wherein the composition is free of any water and does not comprise a source of zinc ions or an aqueous buffer system.
1 more element
Dependencies are inferred from the claim text.