Granted Patent B2

US 12,439,916 · App. 18/317,768 · Granted Oct 14, 2025

Inventors: Junzhong Li (Saint Paul, MN); Allison Brewster (Saint Paul, MN); Richard Staub (Saint Paul, MN); Steven J. Lange (Saint Paul, MN); Taz Cheritu (Saint Paul, MN); Jonathan P. Fast (Saint Paul, MN); Catherine Hanson (Saint Paul, MN)

Assignee: ECOLAB USA INC.

A01N37/16A01N37/00A61K8/38A61L2/00A61L2/16A61Q17/005C07C407/00C07C409/24C11D3/00C11D3/3947C11D3/48C12P7/40

Abstract

Claims (23)

1. A wipe saturated with a peroxyformic acid forming composition comprising:

a wipe; and

a peroxyformic acid-forming composition comprising: (i) a first reagent comprising an ester of a polyhydric alcohol and formic acid; (ii) a second reagent comprising hydrogen peroxide or a substance that generates hydrogen peroxide when in contact with a liquid; and (iii) a formed liquid comprising peroxyformic acid and having a pH of 8 or less without requiring an additional acidulant.

2. The wipe of claim 1 , wherein the wipe is comprised of a woven fabric, a nonwoven fabric, a microfiber product, paper, fiber, or a combination thereof.

3. The wipe of claim 1 , wherein the ester of a polyhydric alcohol and formic acid is derived from a sugar alcohol and formic acid.

4. The wipe of claim 3 , wherein the sugar alcohol is ethylene glycol, methylene glycol, propylene glycol, or a combination thereof.

5. The wipe of claim 1 , wherein the ester of a polyhydric alcohol and formic acid comprises glycerol formate, pentaerythritol formate, mannitol formate, propylene glycol formate, sorbitol formate, sugar formate, or a combination thereof.

6. The wipe of claim 5 , wherein the sugar formates comprise sucrose formates, dextrin formates, maltodextrin formates, starch formates, or a combination thereof.

7. The wipe of claim 1 , wherein the first reagent, the second reagent, and/or the peroxyformic acid composition further comprise a pH buffering agent, a stabilizing agent, acidulant, or a combination thereof.

8. The wipe of claim 7 , wherein the pH buffering agent comprises a carbonate salt, phosphate salt, sodium bicarbonate, organic amine, or a combination thereof.

9. The wipe of claim 7 , wherein the stabilizing agent comprises a phosphonate, phosphonate salt, heterocyclic dicarboxylic acid, or a combination thereof.

10. A method for treating a target comprising:

contacting a wipe with a first reagent comprising an ester of a polyhydric alcohol and formic acid; (ii) a second reagent comprising hydrogen peroxide or a substance that generates hydrogen peroxide when in contact with a liquid; and (iii) a formed liquid comprising peroxyformic acid and having a pH of 8 or less without requiring an additional acidulant to form a saturated wipe, wherein the first reagent reacts with the second reagent to generate the formed liquid comprising peroxyformic acid; and

contacting a target with the saturated wipe to form a treated target composition;

wherein the treated target composition comprises from about 0.1 ppm to about 10,000 ppm peroxyformic acid; and

wherein the contacting the target lasts for at least 10 seconds to reduce a microbial population in and/or on the target.

11. The method of claim 10 , wherein the contacting of the target lasts for between 10 seconds to about 10 hours.

12. The method of claim 10 , wherein the microbial population is reduced by at least one log 10 5 minutes after the contacting of the target.

13. The method of claim 11 , wherein the target is at least a portion of a medium, a surface, a container, an equipment, or a system in a health care facility.

14. The method of claim 13 , wherein the surface in a health care facility is an instrument, device, cart, cage, furniture, structure, or building employed as part of a health care activity.

15. The method of claim 14 , wherein the instrument employed as part of a health care activity is a medical or dental instrument, device, tool, appliance, apparatus, or patient-care equipment.

16. The method of claim 13 , wherein the surface in a health care facility is a hard surface comprising a wall, floor, bed-pan, or a combination thereof.

17. The method of claim 13 , wherein the surface in a health care facility is a soft surface comprising a fabric, linen, garment, skin, or a combination thereof.

Assignments (2)

Continuity (6)

References Cited (352)