20090004373 | Methods and Compositions for Temporary Barrier Coatings - Methods of temporarily protecting an exterior surface of a structure, an interior hard surface, and an automobile part, including the step of applying to the surface a solution including a water-soluble polymer, and allowing the solution to dry, thereby forming a water-soluble polymer coating on the surface, is disclosed. The protective coating can thereafter be removed by washing the surface with water, such as with a power sprayer, taking with it any secondary substance which has coated it or otherwise has been bound to it. | 01-01-2009 |