Enhanced activity hydrogen peroxide disinfectant

Abstract

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% w/w to about 8% w/w; (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; alkali metal, ammonium, calcium and magnesium C8 to C18 alkyl sulfates; 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% w/w to about 8% w/w; and (iii) benzyl alcohol in a concentration of from about 0.1% w/w to about 10% w/w. Optionally, the solution may contain (iv) at least one carboxylic acid chosen from monocarboxylic acids and polycarboxylic acids, in a concentration of from about 0.05% w/w to about 4% % w/w. The solution may also contain an alcohol comprising one to six carbon atoms in a concentration of from about 0.1% w/w to about 10% w/w % 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% w/w to about 8% w/w;   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; alkali metal, ammonium, calcium and magnesium C8 to C18 alkyl sulfates; 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% w/w to about 8% w/w; and   iii) benzyl alcohol in a concentration of from about 0.1% w/w to about 10% w/w.   
     
     
         2 . A solution according to  claim 1  wherein the hydrogen peroxide is present in a concentration of up to about 2.5% w/w. 
     
     
         3 . A solution according to  claim 1  wherein the hydrogen peroxide is present in a concentration of from about 0.45% w/w. 
     
     
         4 . A solution according to  claim 1  wherein the anionic surfactant is present in a concentration of up to about 6% w/w. 
     
     
         5 . A solution according to  claim 1  wherein the anionic surfactant is present in a concentration of up to about 4% w/w. 
     
     
         6 . A solution according to  claim 1  wherein the anionic surfactant is present in a concentration of up to about 2% w/w. 
     
     
         7 . A solution according to  claim 1  having a pH of up to about 4.5. 
     
     
         8 . A solution according to  claim 1  having a pH of up to about 2. 
     
     
         9 . A concentrated aqueous hydrogen peroxide solution which can be diluted with water to produce a solution according to  claim 1 . 
     
     
         10 . 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% w/w to about 8% w/w;   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; alkali metal, ammonium, calcium and magnesium C8 to C18 alkyl sulfates; 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% w/w to about 8% w/w;   iii) benzyl alcohol in a concentration of from about 0.1% w/w to about 10% w/w; and   iv) at least one carboxylic acid chosen from monocarboxylic acids and polycarboxylic acids in a concentration of from about 0.05% w/w to about 4% w/w.   
     
     
         11 . A solution according to  claim 10  wherein said at least one carboxylic acid is present in a concentration of from about 2% w/w to about 5% w/w. 
     
     
         12 . 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% w/w to about 8% w/w;   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; alkali metal, ammonium, calcium and magnesium C8 to C18 alkyl sulfates; 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% w/w to about 8% w/w;   iii) benzyl alcohol in a concentration of from about 0.1% w/w to about 10% w/w; and   iv) an alcohol comprising one to six carbon atoms, in a concentration of from about 0.1% w/w to about 10% w/w.   
     
     
         13 . A solution according to  claim 1  consisting essentially of at least one ingredient selected from the group consisting of hydrogen peroxide stabilizers, foam generating or stabilizing ingredients, emulsifiers, hydrotropes, detergents, corrosion inhibitors, moisturizing, skin conditioning agents and thickening agents, in a total concentration of up to 10% w/w. 
     
     
         14 . A solution according to  claim 13  wherein the hydrogen peroxide stabilizer is selected from the group consisting of 1-hydroxyethylidene-1,1-diphosphonic acid, amino tri(methylene phosphonic acid), 2-hydroxyethylimino tri(methylene phosphonic acid), ethylene diamine tetra(methylene phosphonic acid), phosphoric acid, and sodium tripolyphosphate. 
     
     
         15 . A solution according to  claim 13  wherein the emulsifier and detergent are non-ionic alkylated alkoxylate surfactants. 
     
     
         16 . A solution according to  claim 15  wherein the non-ionic alkylated alkoxylate surfactants are polyoxyethylene surfactants. 
     
     
         17 . A solution according to  claim 13  wherein the solution contains at least one emulsifier, detergent and hydrotrope in a concentration of from 0.04% w/w to 3% w/w. 
     
     
         18 . A solution according to  claim 13  wherein the corrosion inhibitor is selected from the group consisting of benzotriazoles, sodium nitrite, sodium molybdate, sodium gluconate, and sodium benzoate.