Enhanced activity hydrogen peroxide disinfectant

• US 20070059380A1
• Filed: 09/11/2006
• Published: 03/15/2007
• Est. Priority Date: 02/12/2002
• Status: Active Grant

• Current Assignee: Diversey Incorporated (Sealed Air)
• Original Assignee: Jose Ramirez, Navid Omidbakhsh
• Inventors: Omidbakhsh, Navid, Ramirez, Jose
• Granted Patent: US 7,632,523 B2
• Time in Patent Office: Days
• US Class Current: 424/616
• CPC Class Codes: A01N 2300/00 Combinations or mixtures of active ingredients covered by classes A01N27/00 - A01N65/48 with other active or formulation relevant ingredients, e.g. specific carrier materials or surfactants, covered by classes A01N25/00 - A01N65/48
• CPC Class Codes: A01N 25/02 containing liquids as carriers, diluents or solvents
• CPC Class Codes: A01N 25/30 characterised by the surfactants
• CPC Class Codes: A01N 37/02 Saturated carboxylic acids or thio analogues thereof; Derivatives thereof
• CPC Class Codes: A01N 37/36 containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
• CPC Class Codes: A01N 59/00 Biocides, pest repellants or attractants, or plant growth regulators containing elements or inorganic compounds
• CPC Class Codes: A61K 8/22 Peroxides; Oxygen; Ozone
• CPC Class Codes: A61K 8/466 containing sulfonic acid derivatives; Salts
• CPC Class Codes: A61P 31/00 Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
• CPC Class Codes: A61P 31/04 Antibacterial agents
• CPC Class Codes: A61Q 19/00 Preparations for care of the skin
• CPC Class Codes: A61Q 19/007 Preparations for dry skin
• CPC Class Codes: C11D 3/2075 Carboxylic acids-salts thereof
• CPC Class Codes: C11D 3/3454 containing sulfone groups, e.g. vinyl sulfones
• CPC Class Codes: C11D 3/3947 Liquid compositions
• CPC Class Codes: C11D 3/43 Solvents
• CPC Class Codes: C11D 3/48 Medical, disinfecting agents, disinfecting, antibacterial, germicidal or antimicrobial compositions
• CPC Class Codes: Y10S 424/06 Chelate

Abstract

An enhanced activity aqueous disinfecting solution having a pH of from about 0.5 to about 6 and consisting essentially of (i) hydrogen peroxide in a concentration of from about 0.05 to about 8 w/w % of the solution; (ii) at least one anionic surfactant selected from the group consisting of C8 to C16 alkyl aryl sulfonic acids and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof, sulfonated C12 to C22 carboxylic acids and alkali metal, ammonium, calcium and magnesium salts thereof, C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof, naphthalene sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof, C8 to C22 alkyl sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof, alkali metal, ammonium, calcium and magnesium C8 to C18 alkyl sulfates, alkyl or alkenyl esters or diesters of sulfosuccinic acid in which the alkyl or alkenyl groups independently contain from six to eighteen carbon atoms and alkali metal, ammonium, calcium and magnesium salts thereof, and mixtures thereof, in a concentration range of from about 0.02 to about 8 w/w % of the solution. Optionally, the solution may contain (iii) at least one additional ingredient chosen from a monocarboxylic acid, a polycarboxylic acid, and mixtures thereof, in a concentration of from about 0.05 to about 4 w/w % of the solution; and (iv) at least one further additional ingredient chosen from benzyl alcohol, an alcohol comprising one to six carbon atoms, and mixtures thereof, in a concentration of from about 0.1 to about 10 w/w % of the solution.

Claims

1-23. -23. (canceled)

24. An aqueous disinfecting solution having a pH of from about 0.5 to about 6 and consisting essentially of:

i) hydrogen peroxide in a concentration of from about 0.05 to about 8 w/w % of the total solution;

ii) at least one anionic surfactant chosen from C8 to C16 alkyl aryl sulfonic acids and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof;

sulfonated C12 to C22 carboxylic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

naphthalene sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C8 to C22 alkyl sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

alkyl or alkenyl esters or diesters of sulfosuccinic acids in which the alkyl or alkenyl groups independently contain from six to eighteen carbon atoms and alkali metal, ammonium, calcium and magnesium salts thereof;

in a concentration of from about 0.02 to about 8 w/w % of the total solution; and

iii) benzyl alcohol in a concentration of from about 0.1 to about 10 w/w % of the total solution.

25. A solution according to claim 24 wherein the solution has a hydrogen peroxide concentration of up to about 4 w/w % of the total solution.

26. A solution according to claim 25 wherein the solution has a hydrogen peroxide concentration of up to about 2.5 w/w % of the total solution.

27. A solution according to claim 26 wherein the solution has a hydrogen peroxide concentration of up to about 1.2 w/w % of the total solution.

28. A solution according to claim 24 wherein the solution has a hydrogen peroxide concentration of from about 0.45 w/w % of the total solution.

29. A solution according to claim 24 wherein the anionic surfactant is present in a concentration of up to about 2 w/w % of the total solution.

30. A solution according to claim 24, wherein the benzyl alcohol is present in a concentration of up to about 5 w/w % of the total solution.

31. A solution according to claim 24 having a pH of up to about 4.5.

32. A solution according to claim 24 wherein the at least one anionic surfactant is chosen from dodecyl benzene sulfonic acid and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof, C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof, dioctyl sulfosuccinates, and ethoxylated dodecyl sulfosuccinates.

33. A solution according to claim 24 wherein the at least one anionic surfactant is chosen from disodium dioctyl sulfosuccinate and disodium lauryl ether sulfosuccinate ethoxylated to 3 moles of ethylene oxide.

34. A solution according to claim 32 wherein the at least one anionic surfactant is chosen from dodecyl benzene sulfonic acid and an alkali metal salt thereof, a C6 alkylated sulfonated diphenyl oxide disodium salt and a C10 alkylated sulfonated diphenyl oxide disodium salt.

35. A concentrated aqueous hydrogen peroxide solution which can be diluted with water to produce a solution according to claim 24.

36. A solid disinfectant formulation which can be dissolved in water to produce a solution according to claim 24.

37. An aqueous disinfecting solution having a pH of from about 0.5 to about 6 and consisting essentially of:

i) hydrogen peroxide in a concentration of from about 0.05 to about 8 w/w % of the total solution;

ii) at least one anionic surfactant chosen from C8 to C16 alkyl aryl sulfonic acids and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof;

sulfonated C12 to C22 carboxylic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

naphthalene sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C8 to C22 alkyl sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

alkyl or alkenyl esters or diesters of sulfosuccinic acids in which the alkyl or alkenyl groups independently contain from six to eighteen carbon atoms and alkali metal, ammonium, calcium and magnesium salts thereof;

in a concentration of from about 0.02 to about 8 w/w % of the total solution;

iii) at least one additional ingredient chosen from a monocarboxylic acid, a polycarboxylic acid, and mixtures thereof, in a concentration of from about 0.05 to about 5 w/w % of the total solution; and

iv) benzyl alcohol in a concentration of from about 0.1 to about 10 w/w % of the total solution.

38. A solution according to claim 37 wherein said at least one additional ingredient is present in a concentration of from about 0.05 to about 2 w/w % of the total solution.

39. A solution according to claim 37 wherein the solution has a hydrogen peroxide concentration of up to about 4 w/w % of the total solution.

40. A solution according to claim 39 wherein the solution has a hydrogen peroxide concentration of up to about 2.5 w/w % of the total solution.

41. A solution according to claim 40 wherein the solution has a hydrogen peroxide concentration of up to about 1.2 w/w % of the total solution.

42. A solution according to claim 37 wherein the solution has a hydrogen peroxide concentration of from about 0.45 w/w % of the total solution.

43. A solution according to claim 37 wherein the anionic surfactant is present in a concentration of up to about 2 w/w % of the total solution.

44. A solution according to claim 37, wherein the benzyl alcohol is present in a concentration of up to about 5 w/w % of the total solution.

45. A solution according to claim 37 having a pH of up to about 4.5.

46. A solution according to claim 37 wherein the at least one anionic surfactant is chosen from dodecyl benzene sulfonic acid and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof, C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof, dioctyl sulfosuccinates, and ethoxylated dodecyl sulfosuccinates.

47. A solution according to claim 37 wherein the at least one anionic surfactant is chosen from sodium lauryl sulfate, ammonium lauryl sulfate, disodium dioctyl sulfosuccinate, and disodium lauryl ether sulfosuccinate ethoxylated to 3 moles of ethylene oxide.

48. A solution according to claim 37 wherein the at least one anionic surfactant is chosen from dodecyl benzene sulfonic acid and an alkali metal salt thereof, a C6 alkylated sulfonated diphenyl oxide disodium salt and a C10 alkylated sulfonated diphenyl oxide disodium salt.

49. A concentrated aqueous hydrogen peroxide solution which can be diluted with water to produce a solution according to claim 37.

50. A solid disinfectant formulation which can be dissolved in water to produce a solution according to claim 37.

51. An aqueous disinfecting solution having a pH of from about 0.5 to about 6 and consisting essentially of:

i) hydrogen peroxide in a concentration of from about 0.05 to about 8 w/w % of the total solution;

ii) at least one anionic surfactant chosen from C8 to C16 alkyl aryl sulfonic acids and alkali metal, ammonium, ethanolamine, calcium and magnesium salts thereof;

sulfonated C12 to C22 carboxylic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C6 to C22 alkyl diphenyl oxide sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

naphthalene sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

C8 to C22 alkyl sulfonic acids and alkali metal, ammonium, calcium and magnesium salts thereof;

alkyl or alkenyl esters or diesters of sulfosuccinic acids in which the alkyl or alkenyl groups independently contain from six to eighteen carbon atoms and alkali metal, ammonium, calcium and magnesium salts thereof;

in a concentration of from about 0.02 to about 8 w/w % of the total solution;

iii) at least one additional ingredient chosen from a monocarboxylic acid, a polycarboxylic acid, and mixtures thereof, in a concentration of from about 0.05 to about 5 w/w % of the total solution; and

iv) benzyl alcohol and an alcohol comprising one to six carbon atoms in a total concentration of from about 0.1 to about 10 w/w % of the total solution.