Patent ID: 7267728
Filing Date: 2007-09-11
Classification: B01J,B08B,C02F,C08K,C09D,C11D

Abstract:
1. A method for cleaning a surface of a vehicle, said method comprising the steps of: (a) applying a cleaning solution to the surface of a vehicle with a hand-held hose-end sprayer device, said cleaning solution comprising a polymer which renders the surface hydrophulic; the hand-held hose-end sprayer device being connected to a hose and the hand-held hose-end sprayer device further encompasses a selector valve system which allows the user to select different settings including setting; which allows the cleaning solution to be sprayed, a setting which allows the tap water to be sprayed and a setting which allows the purified rinse water to be sprayed wherein the stern further comprises selecting a setting which allows the cleaning solution to be sprayed to the surface of the vehicle; (b) optionally agitating the cleaning solution after applying the cleaning solution to the surface of the vehicle to loosen dirt on the surface of the vehicle; (c) rinsing the surface of the vehicle with tap water to remove at least some of the cleaning solution by selecting a setting which allows the tap water to be sprayed to the surface of the vehicle; (d) at least partially removing at least some residue-forming substances remaining on the surface of the vehicle, if any residue-forming substances remain on the surface of the vehicle, by rinsing the surface of the vehicle with purified rinse water by selecting a setting which allows the purified rinse water to be sprayed to the surface of the vehicle.