Patent ID: 6593049
Filing Date: 2003-07-15
Classification: G03G

Abstract:
A toner comprised of colorant resin and a charge additive comprised of a complex of a hard acid and a hard base and wherein said charge additive is selected from the group consisting of zinc acetate, aluminum acetate, aluminum carbonate, aluminum phosphate, zinc sulfate, zinc carbonate, zinc nitrate, titanium sulfate, titanium acetate, chromium (III) acetate, chromium (III) sulfate, chromium (III) carbonate, magnesium carbonate, magnesium phosphate, magnesium sulfate, magnesium nitrate, cerium carbonate, cerium phosphate, cerium sulfate, cerium nitrate, cobalt carbonate, cobalt phosphate, cobalt sulfate, cobalt nitrate, tin carbonate, tin phosphate, tin sulfate, tin nitrate, ammonium phosphate, ammonium carbonate, and ammonium sulfate.