Invention Grant
US08728703B2 Electrophotographic toner, method for producing toner, developer and image forming apparatus containing toner
有权
电子照相调色剂,调色剂的制造方法,含有调色剂的显影剂和成像设备
- Patent Title: Electrophotographic toner, method for producing toner, developer and image forming apparatus containing toner
- Patent Title (中): 电子照相调色剂,调色剂的制造方法,含有调色剂的显影剂和成像设备
-
Application No.: US13540063Application Date: 2012-07-02
-
Publication No.: US08728703B2Publication Date: 2014-05-20
- Inventor: Hiroshi Yamashita , Satoyuki Sekiguchi , Daisuke Asahina , Tsuyoshi Sugimoto , Masaki Watanabe , Rintaro Takahashi
- Applicant: Hiroshi Yamashita , Satoyuki Sekiguchi , Daisuke Asahina , Tsuyoshi Sugimoto , Masaki Watanabe , Rintaro Takahashi
- 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: JP2011-149645 20110706
- Main IPC: G03G9/087
- IPC: G03G9/087

Abstract:
An electrophotographic toner obtained from a dispersion or emulsion liquid of an oil phase containing a toner material in an aqueous medium, the toner including: a binder resin, wherein the toner material includes: (A) an epoxy resin prepolymer; (B) an adduct of a dihydric phenol with a polyalkylene oxide; (C) a phenolic compound, or an alcohol compound, or both thereof; and (D) a carboxylic acid compound, and wherein the binder resin includes a resin obtained by allowing the (A), the (B), the (C) and the (D) to react with each other.
Public/Granted literature
Information query