	US 12,286,603 B2
	Organic acid based antimicrobial formulations containing extremely low levels of surfactant and fatty acid
Xuanrong Guo, Pleasanton, CA (US); Barbara Ekerdt, Pleasanton, CA (US); David R. Scheuing, Danville, CA (US); and Nancy A. Falk, Bath, ME (US)
Assigned to THE CLOROX COMPANY, Oakland, CA (US)
Filed by THE CLOROX COMPANY, Oakland, CA (US)
Filed on Mar. 14, 2024, as Appl. No. 18/604,890.
Application 18/604,890 is a continuation of application No. 17/406,341, filed on Aug. 19, 2021, granted, now 11,959,045.
Claims priority of provisional application 63/068,706, filed on Aug. 21, 2020.
Prior Publication US 2024/0218289 A1, Jul. 4, 2024
Int. Cl. C11D 7/50 (2006.01); C11D 1/14 (2006.01); C11D 1/83 (2006.01); C11D 3/20 (2006.01); C11D 3/43 (2006.01); C11D 3/48 (2006.01); C11D 3/50 (2006.01); C11D 17/04 (2006.01); C11D 1/22 (2006.01); C11D 1/66 (2006.01); C11D 1/75 (2006.01)

CPC C11D 1/83 (2013.01) [C11D 1/146 (2013.01); C11D 3/2044 (2013.01); C11D 3/2079 (2013.01); C11D 3/2086 (2013.01); C11D 3/43 (2013.01); C11D 3/48 (2013.01); C11D 3/50 (2013.01); C11D 17/049 (2013.01); C11D 1/143 (2013.01); C11D 1/22 (2013.01); C11D 1/662 (2013.01); C11D 1/75 (2013.01); C11D 2111/14 (2024.01)]

23 Claims

1. A hard surface disinfecting composition that has a score of 4 minutes or greater for an EpiOcular assay (ET50) which measures irritancy potential by exposure time required for the composition to reduce tissue viability to 50% of a set of test controls, while providing at least a 3-log reduction in a Staphylococcus aureus population within 10 minutes or less, the composition comprising:

(a) about 0.1% to about 5% by weight of citric acid;

(b) about 0.01% to about 1% by weight of an anionic surfactant comprising at least one of an alkyl sulfate or an alkyl sulfonate;

(d) about 0.0001% to about 0.02% by weight of a fatty acid;

(e) an alkylpolyglucoside nonionic surfactant; and

(f) water, wherein the pH of the composition is less than 2.5.