Bactericidal cleaning wipe comprising a cationic biocide

• US 6,825,158 B2
• Filed: 01/23/2004
• Issued: 11/30/2004
• Est. Priority Date: 12/14/2000
• Status: Expired due to Term

• Current Assignee: Clorox Company
• Original Assignee: Clorox Company
• Inventors: Vieira, Kenneth, Mitra, Shuman, Simon, Richard E., Scott, Wayne B., Shaffer, Glen A.
• Primary Examiner(s): BOYER, CHARLES I
• Application Number:
  US10/681,927
• Publication Number:
  US 20040106533A1
• Time in Patent Office: 312 Days
• Field of Search: 510/295, 510/384, 510/391, 510/432, 510/503, 510/504
• US Class Current: 510/295
• CPC Class Codes: C11D 1/62 Quaternary ammonium compounds
• CPC Class Codes: C11D 1/662 Carbohydrates or derivatives
• CPC Class Codes: C11D 17/049 Cleaning or scouring pads; Wipes
• CPC Class Codes: C11D 3/046 Salts
• CPC Class Codes: C11D 3/3746 Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
• CPC Class Codes: C11D 3/48 Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions

Abstract

An cleaning composition loaded on a cleaning wipe having improved biocidal release from the cleaning wipe. The cleaning composition includes a cationic biocide, a biocide release agent and water. The cationic biocide release agent has an ionic strength in the cleaning composition of at least about 5×10⁻³ mol/l.

Claims

1. A method for cleaning a surface with a cleaning wipe comprising:

a. providing a cleaning wipe having at least one layer of absorbent or adsorbent material, said cleaning wipe including a material selected from a group consisting of wood pulp, wood pulp derivative or mixtures thereof;

b. impregnating said cleaning wipe with an improved cleaning composition, said improved cleaning composition including about 0.05-5 weight percent cationic biocide as the principal biocide, a cationic biocide release agent having an ionic strength in said cleaning composition of about 1×

10<sup>−

2</sup>−

5 mol/l and constituting about 0.04-5 weight percent of said cleaning composition, about 0.01-5 weight percent surfactant, about 0.5 to less than about 5 weight percent organic solvent, and a majority weight percent water, said cationic biocide including a quaternary ammonium compound, said cationic biocide release agent including a salt selected from the group consisting of potassium citrate, sodium citrate, magnesium sulphate, sodium chloride, ammonium chloride, potassium chloride or mixtures thereof, said surfactant including an amine oxide, a majority of said organic solvent including a solvent selected from a group consisting of methanol, ethanol, n-propanol, isopropanol, butanol, pentanol, hexanol or mixtures thereof; and

,

c. contacting said surface with the cleaning wipe to transfer at least about 55 weight percent of said cationic biocide to said surface to thereby at least partially disinfect said surface.

2. The method as defined in claim 1, wherein said cationic biocide release agent includes potassium citrate, sodium citrate, ammonium chloride or mixtures thereof.

3. The method as defined in claim 1, wherein said cationic biocide constitutes about 0.1-1 weight percent of said cleaning composition.

4. The method as defined in claim 2, wherein said cationic biocide constitutes about 0.1-1 weight percent of said cleaning composition.

5. The method as defined in claim 1, wherein said cationic biocide release agent has an ionic strength of at least about 2×

10<sup>−

2</sup> mol/l to about 1 mol/l.

6. The method as defined in claim 4, wherein said cationic biocide release agent has an ionic strength of at least about 2×

10<sup>−

2</sup> mol/l to about 1 mol/l.

7. The method as defined in claim 1, wherein said surfactant includes an amine oxide.

8. The method as defined in claim 6, wherein said surfactant includes an amine oxide.

9. The method as defined in claim 1, wherein said surfactant constitutes about 0.1-1 weight percent of said cleaning composition.

10. The method as defined in claim 8, wherein said surfactant constitutes about 0.1-1 weight percent of said cleaning composition.

11. The method us defined in claim 1, wherein said solvent includes a compound selected from a group consisting of n-propanol, isopropanol or mixtures thereof.

12. The method as defined in claim 10, wherein said solvent includes a compound selected from a group consisting of n-propanol, isopropanol or mixtures thereof.

13. The method as defined in claim 1, wherein said cleaning composition includes at least an effective amount of builder detergent, said builder detergent including a compound selected from a group consisting of sodium EDTA, disodium EDTA, potassium EDTA, dipotassium EDTA or mixtures thereof.

14. The method as defined in claim 12, wherein said cleaning composition includes at least an effective amount of builder detergent, said builder detergent including a compound selected from a group consisting of sodium EDTA, disodium EDTA, potassium EDTA, dipotassium EDTA or mixtures thereof.

15. The method as defined in claim 13, wherein said builder detergent constitutes about 0.05-0.5 weight percent of said cleaning composition.

16. The method as defined in claim 14, wherein said builder detergent constitutes about 0.05-0.5 weight percent of said cleaning composition.

17. The method as defined in claim 1, wherein said water constitutes at least about 90 weight percent of said cleaning composition.

18. The method as defined in claim 16, wherein said water constitutes at least about 90 weight percent of said cleaning composition.

19. A hard surface cleaning composition adapted to be loaded on a cleaning wipe comprising at least about 0.05 weight percent cationic biocide, a cationic biocide release agent having an ionic strength in said cleaning composition of about 1×

10<sup>−

2</sup>−

5 mol/l and constituting at least about 0.04 weight percent of said cleaning composition, at least about 0.01 weight percent surfactant, about 0.5-10 weight percent organic solvent, and a majority weight percent water, said cationic biocide including a quaternary ammonium compound, said cationic biocide release agent including a salt selected from the group consisting of potassium citrate, sodium citrate, magnesium sulphate, sodium chloride, ammonium chloride, potassium chloride or mixtures thereof, said surfactant including an amine oxide, a majority of said organic solvent including a solvent selected from a group consisting of methanol, ethanol, n-propanol, isopropanol, butanol, pentanol, hexanol or mixtures thereof.

20. The improved cleaning composition as defined in claim 19, including at least about 0.01 weight percent builder detergent, said builder detergent including a compound selected from a group consisting of sodium EDTA, disodium EDTA, potassium EDTA, dipotassium EDTA or mixtures thereof.

21. The improved cleaning composition as defined in claim 19, wherein said cationic biocide constitutes up to about 5 weight percent of said cleaning composition.

22. The improved cleaning composition as defined in claim 20, wherein said cationic biocide constitutes up to about 5 weight percent of said cleaning composition.

23. The improved cleaning composition as defined in claim 19, wherein said cationic biocide release agent constitutes up to about 5 weight percent of said cleaning composition.

24. The improved cleaning composition as defined in claim 22, wherein said cationic biocide release agent constitutes up to about 5 weight percent of said cleaning composition.

25. The improved cleaning composition as defined in claim 19, wherein said surfactant constitutes up to about 5 weight percent of said cleaning composition.

26. The improved cleaning composition as defined in claim 24, wherein said surfactant constitutes up to about 5 weight percent of said cleaning composition.

27. The improved cleaning composition as defined in claim 25, wherein said surfactant includes an amine oxide.

28. The improved cleaning composition as defined in claim 26, wherein said surfactant includes an amine oxide.

29. The improved cleaning composition as defined in claim 19, wherein said organic solvent constitutes up to about 5 weight percent of said cleaning composition.

30. The improved cleaning composition as defined in claim 28, wherein said organic solvent constitutes up to about 5 weight percent of said cleaning composition.

31. The improved cleaning composition as defined in claim 19, wherein said cationic biocide release agent includes potassium citrate, sodium citrate, ammonium chloride or mixtures thereof.

32. The improved cleaning composition as defined in claim 30, wherein said cationic biocide release agent includes potassium citrate, sodium citrate, ammonium chloride or mixtures thereof.

33. The improved cleaning composition as defined in claim 19, wherein said cationic biocide constitutes about 0.1-1 weight percent of said cleaning composition.

34. The improved cleaning composition as defined in claim 32, wherein said cationic biocide constitutes about 0.1-1 weight percent of said cleaning composition.

35. The improved cleaning composition as defined in claim 19, wherein said cationic biocide release agent has an ionic strength of at least about 2×

10<sup>−

2</sup> mol/l to about 1 mol/l.

36. The improved cleaning composition as defined in claim 34, wherein said cationic biocide release agent has an ionic strength of at least about 2×

10<sup>−

2</sup> mol/l to about 1 mol/l.

37. The improved cleaning composition as defined in claim 19, wherein said solvent includes a compound selected from a group consisting of n-propanol, isopropanol or mixtures thereof.

38. The improved cleaning composition as defined in claim 36, wherein said solvent includes a compound selected from a group consisting of n-propanol, isopropanol or mixtures thereof.

39. The improved cleaning composition as defined in claim 19, wherein said water constitutes at least about 90 weight percent of said cleaning composition.

40. The improved cleaning composition as defined in claim 38, wherein said water constitutes at least about 90 weight percent of said cleaning composition.

41. The improved cleaning composition as defined in claim 19, including:

42. The improved cleaning composition as defined in claim 40, including:

43. The improved cleaning composition as defined in claim 41, including:

44. The improved cleaning composition as defined in claim 42, including:

45. The improved cleaning composition as defined in claim 43, including:

46. The improved cleaning composition as defined in claim 44, including:

47. A hard surface cleaning wipe designed for cleaning a hard surface comprising a wipe and a cleaning composition applied to at least a portion of said wipe, said wipe including at least one layer of absorbent or adsorbent material, said wipe including a pulp material selected from a group consisting of wood pulp, wood pulp derivative or mixtures thereof, said cleaning composition including at least about 0.05 weight percent cationic biocide, at least about 0.04 weight percent cationic biocide release agent, at least about 0.01 weight percent surfactant, about 0.5-10 weight percent organic solvent, and a majority weight percent water, said cationic biocide including a quaternary ammonium compound, said cleaning composition having an ionic strength of about 1×

10<sup>−

2</sup>−

5 mol/l, said ionic strength of said cleaning composition substantially resulting from said cationic biocide release agent, said cationic biocide release agent formulated to cause said cationic biocide to release from said pulp material, said cationic biocide release agent including a salt selected from the group consisting of potassium citrate, sodium citrate, magnesium sulphate, sodium chloride, ammonium chloride, potassium chloride or mixtures thereof, said surfactant including an amine oxide, a majority of said organic solvent including a solvent selected from a group consisting of methanol, ethanol, n-propanol, isopropanol, butanol, pentanol, hexanol or mixtures thereof.

48. The hard surface cleaning wipe as defined in claim 47, wherein said cleaning composition includes:

49. The hard surface cleaning wipe as defined in claim 48, wherein said cleaning composition includes:

50. The hard surface cleaning wipe as defined in claim 49, wherein said cleaning composition includes: