US 12,225,903 B2
Synergistic cleaning disinfectant solution with enhanced stability, and methods of using the same
Bhavesh Kantilal Patel, Thane (IN); Kedar Pandurang Chaudhari, Thane (IN); and Henry von Rege, Alzey (DE)
Assigned to DIVERSEY, INC., Fort Mill, SC (US)
Appl. No. 17/617,716
Filed by Diversey, Inc., Fort Mill, SC (US)
PCT Filed Jun. 8, 2020, PCT No. PCT/US2020/036592
§ 371(c)(1), (2) Date Dec. 9, 2021,
PCT Pub. No. WO2020/251885, PCT Pub. Date Dec. 17, 2020.
Claims priority of application No. 201911023296 (IN), filed on Jun. 12, 2019.
Prior Publication US 2022/0232828 A1, Jul. 28, 2022
Int. Cl. A01N 37/40 (2006.01); A01N 25/04 (2006.01); A01N 25/30 (2006.01); A01N 31/02 (2006.01); A01N 37/36 (2006.01); A01P 1/00 (2006.01)
CPC A01N 37/40 (2013.01) [A01N 25/04 (2013.01); A01N 25/30 (2013.01); A01N 31/02 (2013.01); A01N 37/36 (2013.01); A01P 1/00 (2021.08)] 20 Claims
 
1. A method of cleaning and disinfecting a surface, comprising:
producing a diluted cleaning disinfectant solution from a concentrated cleaning disinfectant solution that is stable at a freezing temperature; and
contacting the surface with the diluted cleaning disinfectant solution;
wherein the concentrated cleaning disinfectant solution comprises:
antimicrobial acid comprising a synergistic combination of (i) gluconic acid, derivative of gluconic acid, or a combination thereof and (ii) salicylic acid, derivative of salicylic acid, or a combination thereof;
surface cleaning acid comprising at least one acid selected from mineral acid, methane sulfonic acid, formic acid, or sulfonic acid having an alkyl group with no greater than three carbon atoms; and
surfactant selected from anionic surfactant, non-ionic surfactant, or a mixture thereof.