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Abstract

A disinfecting cleaning intensifier for dry cleaning is disclosed, containing--in addition to at least one disinfecting quaternary ammonium chloride surfactant and water--the diammonium salt of an aliphatic linear .alpha., .omega.-dicarboxylic acid having from 2 to 5 methylene groups or the triammonium salt of a tricarboxylic acid, namely citric acid or tricarballylic acid, and a tertiary amine corresponding to the general formula NR.sub.1 R.sub.1 R.sub.2 or NR.sub.1 'R.sub.1 'R.sub.2 ' in which R.sub.1 represents methyl, R.sub.2 represents a fatty alkyl group containing from 8 to 18 carbon atoms, R.sub.1 ' represents a hydroxy ethyl group --CH.sub.2 --CH.sub.2 --OH, and R.sub.2 ' represents an ethylene glycol monoalkyl ether radical corresponding to the following formula ##STR1## in which R.sub.3 represents a fatty alkyl group containing from 10 to 18 carbon atoms, or a mixture of these tertiary ammonium salts. Preferred embodiments include for the cleaning intensifier to contain dialkyl dimethyl ammonium chloride or alkyl benzyl dimethyl ammonium chloride, each containing C.sub.8 -C.sub.18 -fatty alkyl groups, or a mixture of these quaternary ammonium salts as the disinfecting ammonium salt.

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First Claim