Patent Number: 6,200,718

Title: Polymer toner and method of production thereof

Abstract: A polymerized toner of core-shell structure, comprising core particles composed of colored polymer particles which contain a compound having at least one >C.dbd.N.sup.+ < structure in its molecule and a colorant, and a layer of a polymer having a glass transition temperature higher than that of a polymer component making up the core particles, said polymer layer covering each of the core particles, a production process thereof, an image forming process comprising using the polymerized toner, and an image forming apparatus containing the polymerized toner.

Inventors: Takasaki; Takahiro (Kawasaki, JP), Yanagida; Noboru (Kawasaki, JP)

Assignee: Nippon Zeon Co., Ltd.

International Classification: G03G 9/093 (20060101); G03G 009/093 ()

Expiration Date: 03/13/2018