Cleaning concrete, asphalt and similar surfaces, e.g. airport runway, involves applying cleaning agent, preferably aqueous emulsion containing higher (m)ethyl or isopropyl carboxylate and polyhydric alcohol, and rinsing with e.g. water

摘要

Process for cleaning concrete, asphalt and similar surfaces, especially airport runways, road surfaces, hall floors etc., involves applying a cleaning agent that dissolves or loosens soil adhering to the surface, e.g. rubber dust, oil, grease, carbon particles etc., and then rinsing with a liquid, especially water, and especially collecting in container(s). An Independent claim is also included for the cleaning agent used.