Back to results
US 6,280,708 B1Granted
Stable peroxide dental compositions
AssigneeUnilever Home & Personal Care USA, Division of Conopco, Inc.
InventorsChristine Watson Ryles, David Robert Williams
Life of this patent
Estimating the term…
Abstract
An oral composition is provided containing stabilized peroxide ingredients. Stabilization is achieved by combination of a triphenyl methane dye and potassium nitrate. Particularly useful as the dye are FD&C Blue 1 and FD&C Green 3.
Claims5
An oral composition comprising:
- (i) from about 0.001 to about 20% by weight of a peroxide;
- (ii) from about 0.5 to about 20% by weight of potassium nitrate;
- (iii) from about 0.00001 to about 1% by weight of a triphenyl methane dye;
- and
- (iv) a pharmaceutically acceptable carrier, all three elements (i) through (iii) being mixed and stabilized together in the carrier, said potassium nitrate and triphenylmethane dye combining to stabilize said peroxide against decomposition.
2 more elements
Dependencies are inferred from the claim text.