Stable desensitizing antitartar dentifrice
AssigneeColgate-Palmolive Company
InventorsMichael A. Collins, Richard J. Crawford, Donald W. Clipper
Life of this patent
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Abstract
A desensitizing anti-tartar dentifrice of low stringiness upon extrusion from a tube or other container onto a toothbrush is provided which also retains desirable cream or gel consistency without becoming thick and difficult to extrude and retains phase integrity without substantial separation, which contains polyphosphate or phosphono compound anti-tartar agent and potassium salt tooth pain inhibitor and in which the gelling agent is a mixture of alkali metal carboxymethyl cellulose, (CMC) and xanthan, wherein the CMC contains about 1.0 to 1.5 carboxymethyl groups per anhydroglycose unit.
Claims15
A stable desensitizing anti-tartar dentifrice consisting essentially of a dentifrice comprising (a) a dentifrice vehicle of liquids comprising water and humectant and solids comprising about 0.1-4% by weight of a mixture of gelling agent to provide said dentifrice with a creamy or gel consistency, (b) an effective anti-tartar proportion of an alkali metal polyphosphate or a phosphono antitartar agent and (c) a desensitizing proportion of a tooth pain inhibiting potassium salt, wherein
- said gelling agent is alkali metal carboxymethyl cellulose (CMC) containing about 1.0 to 1.5 carboxymethyl (CM) groups per anhydroglucose (AG) unit therein and
- Xanthan (X) and
- the weight ratio of said CMC to said X being from about 3:1 to about 1:3.
Dependencies are inferred from the claim text.