	US 11,930,819 B2
	Antimicrobial compositions with enhanced efficacy
Jessica Albright, Saint Paul, MN (US); Daniel E. Pedersen, Saint Paul, MN (US); Cheryl A. Littau, Saint Paul, MN (US); and Joseph R. Wegner, Saint Paul, MN (US)
Assigned to ECOLAB USA INC., Saint Paul, MN (US)
Filed by ECOLAB USA INC., Saint Paul, MN (US)
Filed on Apr. 9, 2021, as Appl. No. 17/301,618.
Application 17/301,618 is a continuation of application No. 16/229,593, filed on Dec. 21, 2018, granted, now 11,116,220.
Claims priority of provisional application 62/609,603, filed on Dec. 22, 2017.
Prior Publication US 2021/0235700 A1, Aug. 5, 2021
Int. Cl. A01N 33/12 (2006.01); A01N 25/16 (2006.01); A01N 25/30 (2006.01); A01N 47/44 (2006.01); A61K 8/04 (2006.01); A61K 8/41 (2006.01); A61K 8/43 (2006.01); A61Q 19/10 (2006.01); C11D 1/62 (2006.01); C11D 1/755 (2006.01); C11D 1/94 (2006.01); C11D 3/48 (2006.01); C11D 1/75 (2006.01)

CPC A01N 47/44 (2013.01) [A01N 25/16 (2013.01); A01N 25/30 (2013.01); A01N 33/12 (2013.01); A61K 8/046 (2013.01); A61K 8/416 (2013.01); A61K 8/43 (2013.01); A61Q 19/10 (2013.01); C11D 1/94 (2013.01); C11D 3/48 (2013.01); C11D 1/62 (2013.01); C11D 1/75 (2013.01)]

18 Claims

1. A method of cleaning comprising:

contacting a surface with an antimicrobial composition comprising

from about 0.01 wt. % to about 2 wt. % of an antimicrobial active compound comprising one or more of the following benzalkonium chloride, benzethonium chloride, chlorhexidine gluconate, and mixtures thereof, wherein the antimicrobial active compound has antimicrobial activity toward Gram positive and/or Gram negative microorganisms;

from about 0.1 wt. % to about 5 wt. % of a primary foaming agent, wherein the primary foaming agent comprises a glucosamide or a mixture of a glucosamide and a C8-C16 amine oxide derivative in a ratio of between about 90:10 and about 50:50; and

from about 65 wt. % to about 99.7 wt. % of a carrier; wherein the antimicrobial composition is a liquid or a gel and has a pH between about 5 and about 9;

wherein the antimicrobial composition provides an in vitro log reduction of the microorganisms of greater than or equal to 3 in about 30 seconds or less.