Multi-Phase Oral Care Compositions
AssigneeThe Procter & Gamble Company
InventorsPaul Albert SAGEL, Jayanth RAJAIAH, Michael David Curtis
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Abstract
A method of treating teeth includes applying a semisolid oral dispersion to at least one tooth. The semisolid oral dispersion includes a hydrophilic discontinuous phase comprising bleaching agent particles and a hydrophobic continuous phase comprising petrolatum. The method further includes maintaining the semisolid oral dispersion on the at least one tooth for a first period of time, and, after the first period of time, directing a light radiation toward the at least one tooth for a second period of time, the first period of time having a duration greater than 50% of a total duration of the first period of time and the second period of time.
Claims18
A method of treating teeth, comprising:
- applying a semisolid oral dispersion to at least one tooth, wherein the semisolid oral dispersion comprises:
- a) a hydrophilic discontinuous phase comprising bleaching agent particles;
- and
- b) a hydrophobic continuous phase comprising petrolatum
- maintaining the semisolid oral dispersion on the at least one tooth for a first period of time;
- and
- after the first period of time, directing a light radiation toward the at least one tooth for a second period of time, the first period of time having a duration greater than 50% of a total duration of the first period of time and the second period of time.
Dependencies are inferred from the claim text.