Patent ID: 7160846

Claim:
A method of disinfecting a floor comprising: a) applying to a cleaning mop an additive in dilute or undiluted form, the additive selected from the group consisting of a polydialkyl diallyl ammonium salt, and derivatives thereof copolymers of dialkyl diallyl ammonium salts, with acylamide and/or acrylic acid and/or vinyl acetate and derivatives thereof a quaternary ammonium compound having the formula: where R 5 and R 6 are alkyl groups containing 16 to 22 carbon atoms or groups with the formula R 9 CO(XC n H 2n ) a where R 9 CO is a linear acyl group containing 16 to 22 carbon atoms, X is oxygen or —NH—, n=2 or 3 , a=1 to 4, R 7 has the same meaning as R 5 and R 6 or is an alkyl group containing 1 to 4 carbon atoms and R 8 is an alkyl group containing 1 to 4 carbon atoms or a hydroxyalkyl group containing 2 to 4 carbon atoms and A (−) is a halide, methoxysulfate or methoxyphosphate anion, and mixtures thereof; and thereafter b) applying to the cleaning mop an aqueous floor disinfecting composition comprising: i) water and an antimicrobial agent selected from the group consisting of aldehydes, aldehydes derivatives, phenols, phenol derivatives, amides, amide derivatives, amines, and quaternary ammonium compounds having the formula: where R 1 is an alkyl group containing 6 to 16 carbon atoms, R 2 is an alkyl group containing 1 to 12 carbon atoms or a benzyl group, R 3 and R 4 are alkyl groups containing 1 to 4 carbon atoms or hydroxyalkyl groups containing 2 to 4 carbon and A (−) is a halide, methoxysulfate or methoxyphosphate anion, and further wherein the antimicrobial agent present in the aqueous floor disinfecting composition is not adsorbed onto the cleaning mop to the extent it would be without first treating with the additive; and c) applying the disinfecting composition to a floor using the cleaning mop.