Patent ID: 8475994

Claim:
A process for producing toner comprising: adding an optional colorant and an optional wax to an emulsion comprising at least one resin to form particles; aggregating the particles to form aggregated particles; coalescing the aggregated particles to form toner particles; washing the toner particles with a solution including a metal ion selected from the group consisting of zinc, chromium, aluminum, calcium, magnesium, barium, strontium, beryllium and combinations thereof, wherein the metal ion is provided by a metal salt which attaches to the surface of the toner particle; and recovering the toner particles; wherein the at least one resin is selected from the group consisting of styrenes, acrylates, methacrylates, butadienes, isoprenes, acrylic acids, methacrylic acids, acrylonitriles, and combinations thereof.