Patent ID: 8338353

Claim:
In a process for cleaning a hard surface contaminated with organic and/or inorganic contaminants comprising contacting the contaminated hard surface with an aqueous acidic cleaning and/or disinfectant composition, the improvement wherein said composition contains a cleaning quantity of a combination comprising: a) at least one polysulfonic acid selected from the group consisting of methanedisulfonic acid, ethanedisulfonic acid, propanedisulfonic acid and 1,3,6 naphthalene trisulfonic acid; b) a nonionic surfactant; c) a foaming agent selected from the group consisting of alkyl sulfates, alkyl sulfonates, amine oxides and alkanolamides wherein the foaming agent is different from the nonionic surfactant; and d) a fragrance, wherein said aqueous acidic cleaning and/or disinfecting composition has a pH of less than about 7.