Patent ID: 11904033
Assignee: THE PROCTER & GAMBLE COMPANY
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. An oral care article comprising:
a) a solid hydrophobic delivery carrier in a form of a strip having a length and a width forming a first surface and having a thickness extending from the first surface to a second surface, wherein an average thickness is less than about 3 mm; and
b) solid hydrophilic particles comprising a bleaching agent, wherein the solid hydrophilic particles are embedded in the solid hydrophobic delivery carrier, wherein the solid hydrophilic particles are disposed i) at least partially below the first surface, and ii) at least partially at or above the first surface of the solid hydrophobic delivery carrier;
wherein a concentration of the bleaching agent at the first surface is greater than a concentration of the bleaching agent at the second surface; and
wherein an overall concentration of the bleaching agent is from about 0.1% to about 15%, by weight of the oral care article.