Patent ID: 7655375

Claim:
A method for the preparation of electrostatographic toner comprising the steps of: a) dissolving a polymer material in an organic solvent to form an organic phase; b) dispersing the organic phase in an aqueous phase comprising a particulate stabilizer and a shape control agent salt comprising an anion selected from the group consisting of chloride, oxychloride, sulfate, perchlorate, nitrate, dihydrogen phosphate, lactate, trifluoromethylsulfonate, and trifluoromethylhydrate and a cation selected from the group consisting of aluminum, iron (III), tin (II) and zirconium (IV), to form a dispersion and homogenizing the resultant dispersion; c) evaporating the organic solvent and recovering a resultant product having a shape modified by the shape control agent; and d) washing and drying the resultant product.