Hydrogen peroxide disinfectant containing a cyclic...

A - Human Necessities – 01 – N

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A01N 59/00 (2006.01) A01N 31/04 (2006.01) A01N 37/10 (2006.01) A01N 37/40 (2006.01) A01N 43/08 (2006.01) A01N 59/14 (2006.01)

Patent

CA 2503627

An aqueous disinfecting solution and dry powdered composition which may be dissolved in water to provide the solution. The solution has a pH of from 0.6 to 7 and comprises (a) hydrogen peroxide in a concentration of from 0.01 to 6% w/w; and (b) at least one component chosen from cyclic carboxylic acids and aromatic alcohols, in a concentration of from 0.01 to 4 w/w %, all based on the total weight of the solution. The cyclic carboxylic acids are preferably 2- furan carboxylic acid, benzoic acid and salicylic acid. Furthermore, the solution preferably contains at least one C6-C12 alkyl diphenyl sulfonate surfactant and a nonionic surfactant. Additional optional ingredients include anionic surfactants, corrosion inhibitors, cation sequestering agents, and buffers.

L'invention concerne une solutions désinfectante aqueuse et une composition en poudre sèche qui peut être dissoute dans l'eau pour former cette solution. La solution présente un pH compris entre 0,6 et 7 et contient (a) du peroxyde d'hydrogène à raison d'une concentration comprise entre 0,01 et 6 % en poids, (b) au moins un composants choisi dans les acides carboxyliques cycliques et les alcools aromatiques, à raison d'une concentration comprise entre 0,01 et 4 % en poids, toutes les quantités étant calculées par rapport au poids total de la solution. Les acides carboxyliques cycliques sont de préférence l'acide 2-furane carboxylique, l'acide benzoïque et l'acide salicylique. En outre la solution contient de préférence au moins un tensioactif alkyl-diphényl sulfonate en C6-C12 et un tensioactif non ionique. La solution peut éventuellement contenir en tant qu'ingrédients additionnels, des tensioactifs anioniques, des inhibiteurs de la corrosion, des agents de séquestration des cations, et des tampons.

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