Invention Grant
- Patent Title: Toner and image forming method
- Patent Title (中): 调色剂和成像方法
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Application No.: US11681530Application Date: 2007-03-02
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Publication No.: US08053154B2Publication Date: 2011-11-08
- Inventor: Takuya Kadota , Masayuki Hagi , Yoshihiro Mikuriya , Katsunori Kurose , Hiroaki Kato , Atsushi Yamamoto , Yoshimichi Ishikawa , Masahide Inoue , Minoru Nakamura , Hideaki Yasunaga
- Applicant: Takuya Kadota , Masayuki Hagi , Yoshihiro Mikuriya , Katsunori Kurose , Hiroaki Kato , Atsushi Yamamoto , Yoshimichi Ishikawa , Masahide Inoue , Minoru Nakamura , Hideaki Yasunaga
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2006-059572 20060306
- Main IPC: G03G9/097
- IPC: G03G9/097

Abstract:
A toner for electrostatic charge development is provided where the toner comprises a colorant and a resin and contains an organic boron compound represented by a following chemical formula (A) as a charge controlling agent, further the toner is treated with an inorganic fine particle and at least one of the inorganic particles is a magnesium silicate compound represented by a following general formula [2] is provided. wherein X is an alkali metal, R1, R2, R3 or R4 each represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom. MgxSiyO(x+2y) [2] wherein x and y are integers.
Public/Granted literature
- US20070207399A1 TONER AND IMAGE FORMING METHOD Public/Granted day:2007-09-06
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