Stable one-part aqueous tooth whitening composition
AssigneePremier Dental Products Company
InventorsJames J. Longo, Jr., William A. McHale
Life of this patent
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Abstract
The invention relates to a high-temperature stable, one-part, aqueous tooth bleaching composition for contacting a tooth surface. The composition comprises a bleaching agent comprising a high level of a aqueous hydrogen peroxide. The bleaching agent is derived from multiple components within the composition and comprises at least about 15% by weight of the total composition weight. The Composition also comprises a bleaching agent stabilizer comprising from about 0.01% to about 1.00% by weight of the total composition weight.
Claims17
A one-part, aqueous tooth bleaching composition for contacting a tooth surface comprising:
- hydrogen peroxide solution;
- a crosslinked polyvinylpyrrolidone/hydrogen peroxide complex;
- a bleaching agent stabilizer;
- and
- at least 50% by weight of water;
- wherein the composition maintains greater than 95% available hydrogen peroxide content after 12 weeks storage at 40 degrees C. with no loss of gel viscosity.
Dependencies are inferred from the claim text.