Invention Grant
US08735037B2 Toner, developer, process cartridge, image forming method, and image forming apparatus
有权
调色剂，显影剂，处理盒，成像方法和图像形成装置
- Patent Title: Toner, developer, process cartridge, image forming method, and image forming apparatus
- Patent Title (中): 调色剂，显影剂，处理盒，成像方法和图像形成装置
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Application No.: US13635453Application Date: 2011-03-16
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Publication No.: US08735037B2Publication Date: 2014-05-27
- Inventor: Hiroshi Yamashita , Masaki Watanabe , Tomoki Murayama
- Applicant: Hiroshi Yamashita , Masaki Watanabe , Tomoki Murayama
- 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: JP2010-062761 20100318
- International Application: PCT/JP2011/057262 WO 20110316
- International Announcement: WO2011/115304 WO 20110922
- Main IPC: G03G9/087
- IPC: G03G9/087
Abstract:
A toner obtained by a method for producing a toner, which includes dissolving or dispersing in an organic solvent a toner material containing at least a binder resin, and a dispersion liquid of a crystalline polyester resin, so as to prepare a solution or dispersion liquid of the toner material, emulsifying or dispersing the solution or dispersion liquid of the toner material in an aqueous medium, so as to prepare an emulsion or dispersion liquid, and removing the organic solvent from the emulsion or dispersion liquid, wherein the crystalline polyester resin is localized near a surface of the toner.
Public/Granted literature
- US20130011779A1 TONER, DEVELOPER, PROCESS CARTRIDGE, IMAGE FORMING METHOD, AND IMAGE FORMING APPARATUS Public/Granted day:2013-01-10
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