Oblon, Spivak, McClelland, Maier & Neustadt, P.C.
Toner, method for preparing the toner, and image forming method and apparatus using the toner
A method for preparing a toner including toner particles, including granulating a toner constituent mixture to prepare toner constituent particles having a polar group with a first polarity on a surface thereof; and mixing a surfactant having a second polarity different from the first polarity and a particulate material with the toner constituent particles to prepare the toner particles. A toner prepared by the method mentioned above. An image forming method including developing a latent image with the toner; transferring the toner image on a receiving material optionally via an intermediate transfer medium, and fixing the toner image on the receiving material. A process cartridge including a developer container containing a developer including the toner mentioned above, and at least one of an image bearing member; a charger; a developing device; and a cleaner.
Ricoh Company Limited
G G G G G G
G03G G03G G03G G03G G03G G03G
inventional inventional inventional inventional inventional inventional
Hiroshi Tsunemi Yohichiroh Takuya Shinji
Yamashita Sugiyama Watanabe Saito Ohtani