Reinigungsmittel für harte Oberflächen

摘要

The invention relates to the use of naphthalenesulfonic acid formaldehyde condensates in (i) a cleaning agent for hard surfaces for reducing the effects of rain and/or fogging. They may further be used (ii) in combination with one or more other anionic and/or nonionic surfactants in a cleaning agent for hard surfaces. Said condensates may further be used (iii) in a method for reducing the effects of rain and/or fogging on a hard surface which has been treated with a liquid cleaning agent. Said surface is treated with a liquid cleaning agent in concentrated or diluted form which contains one or more naphthalenesulfonic acid formaldehyde condensates.