. . "The inorganic particulate can be selected from a non-limiting list of: silica, titanium dioxide (TiO2), zinc oxide (ZnO), Fe2O3, and other metal oxides such as but not limited to NiO, Al2O3, SnO, SnO2, CeO2, ZnO, CdO, RuO2, FeO, Fe2O3, CuO, AgO, Au2O3, MnO2, WO2, WO3 as well as other transition metal oxides." . . . .