Patent ID: 7052815

Claim:
A color toner comprising: toner particles comprising: a colorant; a binder resin; and a wax, and an external additive comprising at least one of an inorganic particulate material and a particulate resin, wherein the binder resin includes: a polyester resin (A) having a crystallinity and the following formula (1): (—O—CO—CR1=CR2-CO—O—(CH 2 ) n —) m (1) wherein R1 and R2 independently represents a hydrocarbon, and n and m are repeating numbers; a resin (B); and a resin (C), wherein each of the resins (A), (B) and (C) and the wax is insoluble in the others, wherein the resins (B) and (C) and the wax have an island-sea structure such that the resin (C) is present like islands in a sea of the resin (B) and the wax is substantially included in the resin (C).