	US 12,257,334 B2
	Oral care compositions
Carl Myers, Wayne, NJ (US); and Rehana Begum-Gafur, Clifton, NJ (US)
Assigned to Colgate-Palmolive Company, New York, NY (US)
Filed by Colgate-Palmolive Company, New York, NY (US)
Filed on Apr. 29, 2022, as Appl. No. 17/733,825.
Application 17/733,825 is a continuation of application No. 15/366,327, filed on Dec. 1, 2016, granted, now 11,337,912.
Claims priority of provisional application 62/261,791, filed on Dec. 1, 2015.
Prior Publication US 2022/0331226 A1, Oct. 20, 2022
Int. Cl. A61K 8/41 (2006.01); A61K 8/39 (2006.01); A61K 8/43 (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)

CPC A61K 8/8164 (2013.01) [A61K 8/39 (2013.01); A61K 8/41 (2013.01); A61K 8/416 (2013.01); A61K 8/43 (2013.01); A61K 8/44 (2013.01); A61K 8/463 (2013.01); A61K 8/8147 (2013.01); A61K 8/86 (2013.01); A61K 8/90 (2013.01); A61Q 11/00 (2013.01); A61K 2800/5422 (2013.01)]

13 Claims

1. An oral care composition comprising:

a) an orally acceptable acidic polymer wherein said orally acceptable acidic polymer comprises 1:4 to 4:1 copolymers of maleic anhydride or acid with another polymerizable ethylenically unsaturated monomer, wherein some or all of the anhydride moieties are hydrolyzed to provide free carboxyl groups;

b) an orally acceptable nonionic polymer;

c) an effective amount of orally acceptable cationic active agent, in free or orally acceptable salt form;

d) a stabilizing amount of a polyamine compound, in free or orally acceptable salt form;

e) water; and

f) an anionic surfactant;

wherein the composition is a mouthwash which is a biphasic solution comprising two distinct aqueous phases having different composition and density.