Antimicrobial composition comprising: (i) an antimicrobial Component comprising a QUATERNARY AMMONIUM COMPOUND (i) consists of (a) a component that is essentially a unique Compound of formula (1) where r u00b9 and R u00b2 are each independently a c u2088 alkyl group u208b u2081 u2082 straight chain and not replaced is not interrupted and x u207b fluoride, Chloride, bromide, iodide, SULFONATECarbonate or bicarbonate and (b) a component consists essentially of at least one Compound Benzalkonium, which has the formula (2), where M is 8 to 18, and x u207b is fluoride, Chloride, bromide, iodide, or Sodium saccharinate,Where the ratio by weight of (a) to (b) is 10: 1 to 1: 10； and (ii) a non antimicrobial Component further comprises a QUATERNARY AMMONIUM COMPOUND； (ii) at least one siloxane selected among those that have the formula (h u2083c) [SIO (ch u2083) u2082 u2099si ( u2083, ch u2083)](h u2083c) and SiO (ch u2083) [h] u2099si (ch u2083) u2083 where n is an integer between 1 and 10； (iii) a Polar Solvent； (iv) at least one Surfactant； where in terms of parts per million (ppm) the amount of the component (iv) is not greater than 20 times the amount of component (i)； and where the component ( (i) is the only component of the composition comprising a QUATERNARY AMMONIUM COMPOUND.Claim 5: a composition according to any of the preceding Claims, wherein the compound of formula (2) is benzalkonium Chloride, Benzethonium Chloride, Benzyldimethyl - n-tetradecyl ammonium chloride Benzyldimethyl Ammonium - N - dodecyl -, - c u2081 u2082 u208b alkyl Benzyl Chloride u2081 u2086 Dimethyl benzyl Ammonium Chloride, or - cocoalquil dimethyl ammonium chloride, N, N - bencildimetiloctilamonio,- bencildimetildecilamonio Chloride, N, n-dodecyl chloride - n-benzyl-n, N - dimethylammonium chloride n-tetradecyl - n-benzyl-n, N - dimethylammonium chloride, N - Hexadecyl n, n-dimethyl-n - bencilamonio Chloride, N, N Dimethyl N N - Benzyl - octadecilamonio or a mixture thereof.Claim 6:
