Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Process of making developer composition
Reexamination Certificate
2007-07-10
2007-07-10
Chapman, Mark A. (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Process of making developer composition
C430S137150, C430S110100, C430S108100
Reexamination Certificate
active
10876718
ABSTRACT:
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.
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Ohtani Shinji
Saito Takuya
Sugiyama Tsunemi
Watanabe Yohichiroh
Yamashita Hiroshi
Chapman Mark A.
Ricoh Company Limited
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