ENHANCED ACTIVITY HYDROGEN PEROXIDE DISINFECTANT
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.
1 . 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; and
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 C 12 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; and mixtures thereof; in a concentration of from about 0.02 to about 8 w/w % of the total solution.
2 . A solution according to claim 1 wherein hydrogen peroxide is present in a concentration of up to about 4 w/w % of the total solution.
3 . A solution according to claim 1 wherein hydrogen peroxide is present in a concentration of up to about 2.5 w/w % of the total solution.
4 . A solution according to claim 1 wherein hydrogen peroxide is present in a concentration of up to about 1.2 w/w % of the total solution.
5 . A solution according to claim 1 wherein hydrogen peroxide is present in a concentration of from about 0.45 w/w % of the total solution.
6 . A solution according to claim 1 wherein the anionic surfactant is present in a concentration of up to about 6 w/w % of the total solution.
7 . A solution according to claim 1 wherein the anionic surfactant is present in a concentration of up to about 4 w/w % of the total solution.
8 . A solution according to claim 1 wherein the anionic surfactant is present in a concentration of up to about 2 w/w % of the total solution.
9 . A solution according to claim 1 having a pH of from about 1.5.
10 . A solution according to claim 1 having a pH of up to about 4.5.
11 . A solution according to claim 1 having a pH of up to about 2.
12 . A solution according to claim 1 wherein the 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, ethoxylated dodecyl sulfosuccinates, and mixtures thereof.
13 . A solution according to claim 12 wherein the anionic surfactant is chosen from disodium dioctyl sulfosuccinate, disodium lauryl ether sulfosuccinate ethoxylated to 3 moles of ethylene oxide, and mixtures thereof.
14 . A solution according to claim 12 wherein the anionic surfactant is chosen from dodecyl benzene sulfonic acid and an alkali metal salt thereof, a C6 alkylated sulfonated diphenyl oxide disodium salt, and mixtures thereof.
15 . A concentrated aqueous hydrogen peroxide solution which can be diluted with water to produce a solution according to claim 1 .
16 . A solid disinfectant formulation which can be dissolved in water to produce a solution according to claim 1 .
17 . 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 C 12 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; and mixtures thereof; in a concentration of from about 0.02 to about 8 w/w % of the total solution; and
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 total solution.
18 . A solution according to claim 17 wherein said at least one additional ingredient is present in a concentration of from about 2 to about 5 w/w % of the total solution.
19 . 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 C 12 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; and mixtures thereof; in a concentration of from about 0.02 to about 8 w/w % of the total solution; and
iii) at least one 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 total solution.
20 . A solution according to claim 19 , having a pH of from about 3 to about 7, and comprising about 0.1 to about 2 w/w % hydrogen peroxide and from about 0.2 to about 3 w/w % benzyl alcohol, all based on the total solution.
21 . A solution according to claim 20 wherein the benzyl alcohol is present in a concentration of less than 2 w/w % of the total solution.
22 . 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 C 12 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; and mixtures thereof; in a concentration range 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 4 w/w % of the total 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 total solution.
23 . A solution according to claim 22 wherein said at least one further additional ingredient is present in a concentration of from about 2 to about 5 w/w % of the total solution.