Delivery systems for a tooth whitener
AssigneeThe Procter & Gamble Company
InventorsPaul Albert Sagel, Robert Stanley Dirksing, Frederick James Rohman
Life of this patent
Estimating the term…
Abstract
Delivery systems for whitening teeth are provided. The delivery system includes a strip of material sized to cover a front surface of a plurality of teeth and a layer of a tooth whitening substance in contact with the strip of material. The tooth whitening substance includes a gelling agent and a whitening active selected from the group consisting of peroxides, metal chlorites, perborates, percarbonates, peroxyacids, hypochlorites, and combinations thereof. The delivery system further includes a release liner having a coating thereon, wherein the release liner exhibits less affinity for the tooth whitening substance than the tooth whitening substance exhibits for itself and for the strip of material.
Claims23
A delivery system for whitening teeth, comprising:
- a strip of material sized to cover a front surface of a plurality of teeth;
- a layer of a tooth whitening substance in contact with said strip of material, said tooth whitening substance comprising a gelling agent and a whitening active selected from the group consisting of peroxides, metal chlorites, perborates, percarbonates, peroxyacids, hypochlorites, and combinations thereof;
- and a release liner having a coating thereon, wherein said release liner exhibits less affinity for said tooth whitening substance than said tooth whitening substance exhibits for itself and for said strip of material.
A delivery system for whitening teeth, comprising:
- a flexible strip of material sized to cover a front surface of a plurality of teeth, wherein said strip of material is substantially flat;
- a thin layer of a tooth whitening substance in contact with said flexible strip of material, said tooth whitening substance comprising a gelling agent and a whitening active selected from the group consisting of peroxides, metal chlorites, perborates, percarbonates, peroxyacids, hypochlorites, and combinations thereof, wherein the level of said gelling agent is between about 0.1% and about 15% by weight of said tooth whitening composition;
- and a release liner having a coating thereon, wherein said release liner exhibits less affinity for said tooth whitening substance than said tooth whitening substance exhibits for itself and for said flexible strip of material.
Dependencies are inferred from the claim text.