Patent ID: 11883511
Assignee: GABA INTERNATIONAL HOLDING GMBH
Field: Pharmaceuticals (Chemistry)
Classification: CPC A | IPC A

Claim 0:
1. An oral care composition comprising an orally acceptable vehicle, a thickening silica and a fluoride ion source, wherein fluoride is absorbed on the thickening silica, wherein the thickening silica has a particle size distribution (D95) less than or equal to 7 μm and a BET surface area of greater than or equal to 150 m2/g, and wherein the pH of the composition is below 5.5;
wherein the thickening silica loaded with fluoride is made by mixing the thickening silica and the fluoride ion source in an aqueous solution at a pH below 5.5;
wherein the fluoride ion source is selected from sodium fluoride, stannous fluoride, potassium fluoride, sodium monofluorophosphate, amine fluoride, ammonium fluoride, and a combination thereof; and
wherein the release of fluoride plateaus at approximately 400 seconds when measured at 24° C.