1
Ryoji Tan, Shigeyoshi Tanaka, Ken ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano, Hideki Kohno: Process for producing toner for electrophotography. Hitachi Chemical, Antonelli Terry Stout & Kraus, January 8, 1991: US04983488 (122 worldwide citation)

A toner for electrophotography produced by polymerizing a monomer dispersed by emulsification in the presence of a colorant and/or a magnetic powder, followed by coagulation is excellent in properties, particularly in cleaning properties, charge stability and caking resistance.


2
Ryoji Tan, Shigeyoshi Tanaka, Ken ichi Kishi, Yasuyuki Iguchi, Takeo Kudo, Takashi Amano, Hideki Kohno: Process for producing toner for electrophotography. Hitachi Chemical Company, Antonelli Terry Stout & Kraus, November 19, 1991: US05066560 (40 worldwide citation)

A toner for electrophotography produced by polymerizing a monomer dispersed by emulsification in the presence of a colorant and/or a magnetic powder, followed by coagulation is excellent in properties, particularly in cleaning properties, charge stability and caking resistance.



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