Patent ID: 8241428

Claim:
A process of cleaning a hard surface or an object, comprising the steps of: a) applying a liquid aqueous acidic hard surface cleaning composition to a hard surface or an object, said acidic hard surface cleaning composition consisting of formic acid, an alkaline material, a nonionic surfactant, wherein the nonionic surfactant is a condensation product of ethylene oxide and/or propylene oxide with alcohols having a straight or branched alkyl chain having 6 to 22 carbon atoms, wherein a degree of alkoxylation is from 1 to 15, optionally one or more dyes, optionally one of more perfumes, wherein the balance of the composition is water, said cleaning composition having a pH of from about 2 to about 2.9 and a viscosity of up to 50 cps at 60 rpm and 20 C; b) leaving said composition on said hard surface or said object; c) optionally wiping or providing mechanical agitation to said hard surface or said object; and d) rinsing said hard surface or said object.