| abstract |
The present invention provides an antimicrobial composition comprising: (i) an antimicrobial component comprising a quaternary ammonium component (I) and an additional antimicrobial component (II) free of a quaternary ammonium compound, wherein the quaternary ammonium component ( I) consists of the following components: (a) a component consisting essentially of a single compound of the formula (A): wherein R1 and R2 are each independently linear and unsubstituted and uninterrupted C8-12 The alkyl group and X- are a chloride ion, a bromide ion, a fluoride ion, an iodide ion, a sulfonate group, a carbonate group or a hydrogencarbonate; and (b) consist essentially of at least one alkanolammonium compound of the following formula (B); Ingredients: □ where m is 8 to 18, and X- is chloride, bromide, fluoride, iodide, saccharide or sulfonate, wherein the weight ratio of (a) to (b) is from 10:1 to 1:10; (ii) is selected from the formula (H3C) [SiO(CH3)2]nSi(CH3)3, and (H3C)[SiO(CH3)H]nSi(CH3)3 (wherein n is 1 to An integer of 10) of at least one oxane; (iii) a polar solvent; (iv) at least one surfactant; wherein the amount of component (iv) does not exceed the amount of component (i) in parts per million (ppm) 20 times; and its constituent (I) is the only inclusion in the composition Component of the ammonium compound. |