Patent ID: 7560592

Claim:
A process for killing unwanted microorganisms on an affected area, comprising: contacting the area with a biocidal solution comprising an effective amount of a halo active aromatic sulfonamide compound of the following Formula I: wherein X is a halogen; R 3 is methyl or COOM; R 1 , R 2 , R 4 , and R 5 are independently selected from hydrogen, CF 3 , COOH, an ester or alkylated amide, COOM, CN, NO 2 , SO 3 H, a halogen, a substituted or unsubstituted phenyl group, a sulfonamide, a halosulfonamide, and a straight or branched aliphatic moiety from C 1 to C 12 , wherein the same straight or branched aliphatic moiety may be substituted at one or more of the aliphatic hydrogens; at least one of R 1 , R 2 , R 4 and R 5 is not hydrogen; and M is an alkali or alkaline earth metal.