	US 11,684,557 B2
	Preservation compositions
Stuart Campbell-Lee, Wirral (GB); Rupak Mitra, Bangalore (IN); Thomas Richard Pointon, Warrington (GB); and Ian Peter Stott, Wirral (GB)
Assigned to CONOPCO, INC., Englewood Cliffs, NJ (US)
Appl. No. 17/56,514
Filed by Conopco, Inc., Englewood Cliffs, NJ (US)
PCT Filed May 20, 2019, PCT No. PCT/EP2019/062963 § 371(c)(1), (2) Date Nov. 18, 2020, PCT Pub. No. WO2019/223753, PCT Pub. Date Dec. 12, 2019.
Claims priority of application No. 18175825 (EP), filed on Jun. 4, 2018.
Prior Publication US 2021/0251863 A1, Aug. 19, 2021
Int. Cl. A61K 8/368 (2006.01); A61K 8/362 (2006.01); A61Q 5/00 (2006.01); A61Q 19/00 (2006.01)

CPC A61K 8/368 (2013.01) [A61K 8/362 (2013.01); A61Q 5/00 (2013.01); A61Q 19/00 (2013.01); A61K 2800/524 (2013.01); A61K 2800/5922 (2013.01)]

7 Claims

1. A personal care composition comprising an antimicrobial preservation system comprising:

i. itaconic acid or salt thereof, and

ii. benzoic acid or salt thereof;

wherein the weight ratio of itaconic acid or salt thereof to benzoic acid or salt thereof is from 1:8 to 8:1;

wherein the level of preservation system is from 0.05 wt % to 5 wt % of the total composition; and

wherein the composition comprises at least 75 wt % water by weight of the total composition.