Coating or plastic compositions specialized for use in preventing the formation of a fog, frost or ice on a surface, usually the surface of a window.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
104.93+, for fabrics impregnated with a frost preventing composition to be used as wipers, daubers, or polishers.
252, Compositions,
70, for other frost preventing compositions.
520, Synthetic Resins or Natural Rubbers, particularly Class 523,
169, for a composition containing a synthetic resin or natural rubber having utility to preserve visibility through a windshield or other optical device by preventing the buildup of fog or by rendering the surface hydrophobia, thereby causing the surface to repel water or to processes of preparation thereof.