	US 11,905,494 B2
	Fabric detergent formulation
Sylvia Nefkens, Amsterdam (NL); and Aukje van Kooij, Haarlem (NL)
Assigned to Celanese International Corporation, Irving, TX (US)
Filed by Celanese International Corporation, Irving, TX (US)
Filed on Feb. 3, 2021, as Appl. No. 17/166,213.
Claims priority of provisional application 63/084,045, filed on Sep. 28, 2020.
Claims priority of provisional application 62/972,204, filed on Feb. 10, 2020.
Prior Publication US 2021/0246398 A1, Aug. 12, 2021
Int. Cl. C11D 3/20 (2006.01); C11D 11/00 (2006.01)

CPC C11D 3/2079 (2013.01) [C11D 11/0017 (2013.01)]

19 Claims

1. A fabric detergent formulation comprising:

a preservative system that includes one or more sorbates in an amount of from about 0.01 wt. % to about 0.8 wt. % of the fabric detergent formulation;

one or more anionic surfactants, wherein the weight ratio of the anionic surfactants to the sorbates is about 10 or more; and

a solvent system that includes water in an amount of from about 50 wt. % to 100 wt. % of the fabric detergent formulation; and

wherein the pH of the fabric detergent formulation is about 7 to about 8.5.