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1. WO1999002126 - DENTIFRICE POUR LE BLANCHIMENT DES DENTS AU PEROXYDE ABRASIF, AQUEUX ET STABLE

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[ EN ]

CLAIMS
What is claimed is:

1. An aqueous tooth whitening composition which is chemically stable and effects whitening and stain removal from teeth which comprises a vehicle containing water, a humectant, a calcined alumina abrasive, and a peroxide compound.

2. The composition of claim 1 wherein the peroxide is hydrogen peroxide.

3. The composition of claim 1 wherein the peroxide compound is present in the composition at a concentration of about 0.5 to about 10% by weight of the composition.

4. The composition of claim 1 wherein the calcined alumina is present in the composition at a concentration of about 1 to about 30% by weight of the
composition.

5. The composition of claim 1 wherein the water is present in the composition at a concentration of about 7 to about 40% by weight.

6. A method for whitening teeth which comprises preparing an aqueous tooth whitening composition containing a calcined alumina abrasive and a peroxide compound which is chemically and physically stable and then applying the composition to stained teeth to effect whitening of and stain removal from teeth.

7. The method of claim 6 wherein the peroxide is hydrogen peroxide.

8. The method of claim 6 wherein the peroxide compound is present in the
admixture at a concentration of about 0.5 to about 10%) by weight of the
composition.

9. The method of claim 6 wherein the calcined alumina abrasive compound is present in the composition at a concentration of about 1 to about 30% by weight.

10. The method of claim 6 wherein water is present in the composition at a concentration of about 7 to about 40% by weight.