Zinc Phosphate Containing Compositions
AssigneeColgate-Palmolive Company
InventorsAarti Rege, David F. Suriano, Richard Sullivan, Michael A. Stranick
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Abstract
The invention provides oral care compositions, for example a dentifrice or mouthwash, comprising zinc phosphate, wherein the zinc phosphate is added to the dentifrice or mouthwash as a preformed salt; as well as methods of making and using the same.
Claims30
A dentifrice comprising zinc phosphate, wherein the zinc phosphate is added to the dentifrice as a preformed salt.
The dentifrice of any one of the foregoing claims, wherein the amount of zinc phosphate is 0.1 to 4% by weight.
The dentifrice of any of the foregoing claims comprising one or more humectants, and one or more surfactants.
The dentifrice of any of the foregoing claims further comprising an effective amount of a fluoride ion source.
The dentifrice of any of the foregoing claims further comprising a basic amino acid in free or orally acceptable salt form.
The dentifrice of any of the foregoing claims further comprising an effective amount of one or more alkali phosphate salts.
The dentifrice of any of the foregoing claims further comprising an effective amount of one or more antibacterial agents.
The dentifrice of any of the foregoing claims further comprising a whitening agent.
The dentifrice of any of the foregoing claims further comprising one or more sources of zinc ion in addition to the zinc phosphate.
The dentifrice of any of the foregoing claims wherein the pH of the composition is acidic.
The dentifrice of any of the foregoing claims wherein the pH of the composition is basic.
The dentifrice of any of the foregoing claims comprising
- 1 to 3% zinc phosphate;
- 1 to 8% arginine;
- 2 to 8% alkali phosphate salts selected from sodium phosphate dibasic, potassium phosphate dibasic, dicalcium phosphate dihydrate, tetrasodium pyrophosphate, tetrapotassium pyrophosphate, calcium pyrophosphate, sodium tripolyphosphate, and mixtures of any two or more of these;
- 700 to 2000 ppm fluoride;
- in a silica abrasive dentifrice base.
A mouthwash comprising zinc phosphate, wherein the zinc phosphate is added to the mouthwash as a preformed salt.
Use of zinc phosphate in the manufacture of a dentifrice or mouthwash, wherein the zinc phosphate is added to the dentifrice or mouthwash as a preformed salt.
Dependencies are inferred from the claim text.