US 11,701,312 B2
Oral care whitening compositions
Xiang Chen, Somerset, NJ (US); Suman Chopra, Monroe, NJ (US); and Lin Fei, Kendall Park, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Filed by Colgate-Palmolive Company, New York, NY (US)
Filed on Mar. 1, 2022, as Appl. No. 17/652,948.
Application 17/652,948 is a continuation of application No. 17/519,931, filed on Nov. 5, 2021, granted, now 11,324,677.
Claims priority of provisional application 63/110,586, filed on Nov. 6, 2020.
Prior Publication US 2022/0183939 A1, Jun. 16, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A61K 8/22 (2006.01); A61K 8/21 (2006.01); A61K 8/24 (2006.01); A61K 8/81 (2006.01); A61K 8/86 (2006.01); A61Q 11/00 (2006.01)
CPC A61K 8/22 (2013.01) [A61K 8/21 (2013.01); A61K 8/24 (2013.01); A61K 8/8176 (2013.01); A61K 8/86 (2013.01); A61Q 11/00 (2013.01); A61K 2800/48 (2013.01)] 20 Claims
 
1. A composition comprising:
a peroxide whitening complex in an amount to provide from 3.5% to 7% of hydrogen peroxide by weight of the composition;
a block copolymer of ethylene oxide and propylene oxide in an amount of from 40% to 60% by weight of the composition;
a thickening agent;
a fluoride ion source;
an abrasive;
an anionic surfactant; and
an anticalculus agent.