	US 12,226,499 B2
	Peroxymonosulfate oral whitening compositions
Cajetan Dogo-Isonagie, Mount Laurel, NJ (US); and Suman Chopra, Monroe, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Filed by Colgate-Palmolive Company, New York, NY (US)
Filed on Dec. 23, 2022, as Appl. No. 18/088,448.
Claims priority of provisional application 63/293,345, filed on Dec. 23, 2021.
Claims priority of provisional application 63/293,355, filed on Dec. 23, 2021.
Prior Publication US 2023/0201091 A1, Jun. 29, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/23 (2006.01); A61K 8/24 (2006.01); A61K 8/44 (2006.01); A61K 8/46 (2006.01); A61K 8/81 (2006.01); A61K 8/86 (2006.01); A61K 8/90 (2006.01); A61Q 11/00 (2006.01); A61Q 11/02 (2006.01)

CPC A61K 8/23 (2013.01) [A61K 8/24 (2013.01); A61K 8/44 (2013.01); A61K 8/463 (2013.01); A61K 8/8111 (2013.01); A61K 8/8176 (2013.01); A61K 8/8182 (2013.01); A61K 8/86 (2013.01); A61K 8/90 (2013.01); A61Q 11/00 (2013.01); A61Q 11/02 (2013.01); A61K 2800/43 (2013.01); A61K 2800/48 (2013.01); A61K 2800/52 (2013.01); A61K 2800/522 (2013.01)]

20 Claims

1. A tooth whitening oral care composition comprising 1% to 5% potassium peroxymonosulfate by weight, stabilized with a combination of 22% to 30% calcium pyrophosphate (Ca₂P₂O₇), by weight of the composition, and 25-35% polyoxyethylene/polyoxypropylene triblock copolymer having the formula

HO—[CH₂CH₂O]_a[—CH(CH₃)CH₂O—]_b[CH₂CH₂O]_a—H,

wherein a is an integer between 10 and 12, b is an integer between 15 and 20, by weight of the composition; and further comprising:

6-15% of a PEG/PPG random copolymer, by weight of the composition;

10 to 15% of a polyethylene glycol, by weight of the composition; and

polyvinylpyrrolidone in an amount of 1 to 15%, by weight of the composition;

wherein the composition is a toothpaste or tooth gel, and wherein the composition does not comprise hydrogen peroxide.