Oblon, Spivak, McClelland,Maier & Neustadt, L.L.P.
Toner composition and method for manufacturing the toner composition
A toner composition including toner particles, wherein the toner particles are prepared by a method in which toner constituents including at least a binder resin and a colorant are kneaded upon application of heat to prepare a toner constituent mixture; the toner constituent mixture is dissolved or swelled in an organic solvent capable of dissolving or swelling at least the binder resin to prepare an oil phase liquid; the oil phase liquid is emulsified in an aqueous liquid to prepare an emulsion; the emulsion is coagulated; and then the coagulated emulsion is dried to prepare the toner particles.
Ricoh Company Limited
G C G G G
G03G C08J G03G G03G G03G
inventional inventional inventional inventional inventional
Masami Tsunemi Hiroshi Shigeru
Tomita Sugiyama Yamashita Emoto