	US 12,214,063 B2
	Peroxymonosulfate whitening strips
Cajetan Dogo-Isonagie, Mount Laurel, NJ (US); Suman Chopra, Monroe, NJ (US); and Xiang Chen, Somerset, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Filed by Colgate-Palmolive Company, New York, NY (US)
Filed on Feb. 18, 2022, as Appl. No. 17/675,285.
Claims priority of provisional application 63/151,239, filed on Feb. 19, 2021.
Prior Publication US 2022/0265523 A1, Aug. 25, 2022
Int. Cl. A61K 8/02 (2006.01); A61C 19/06 (2006.01); A61K 8/22 (2006.01); A61K 8/23 (2006.01); A61K 8/24 (2006.01); A61K 8/81 (2006.01); A61K 8/86 (2006.01); A61Q 11/00 (2006.01)

CPC A61K 8/0237 (2013.01) [A61C 19/066 (2013.01); A61K 8/22 (2013.01); A61K 8/23 (2013.01); A61K 8/24 (2013.01); A61K 8/8147 (2013.01); A61K 8/8176 (2013.01); A61K 8/8182 (2013.01); A61K 8/86 (2013.01); A61Q 11/00 (2013.01); A61K 2800/30 (2013.01); A61K 2800/594 (2013.01); A61K 2800/87 (2013.01)]

11 Claims

1. A tooth whitening strip comprising:

a hydratable adhesive film consisting of:

from about 60 to about 90%, by weight, of water-soluble or water-swellable polymers, the water-soluble or water-swellable polymers consisting of a polyvinylpyrrolidone polymer and a polyethylene glycol polymer;

from about 0.1 to about 10%, by weight, of an inorganic salt of peroxymonosulfate, the inorganic salt of peroxymonosulfate being dispersed in the hydratable adhesive film;

water; and

a buffering agent,

wherein all weight percentages are based on the total weight of the strip.