| abstract |
Process for cleaning hard surfaces, characterized in that said process is carried out using a foam based on a formulation comprising: (A) at least one complexing agent selected from the alkali metal salts of aminocarboxylic acids and from alkali metal salts of citric acid, gluconic acid, tartaric acid and lactic acid, (B) at least one non-ionic surfactant of general formula (I): (G)x-OR 1 , (C) at least one anionic surfactant, (D) at least one zwitterionic surfactant, wherein: R 1 is selected from C 8 -C 18 -alkyl, straight chain or branched, x is in the range of from 1.1 to 4, G selected from monosaccharides with 4 to 6 carbon atoms. |