Invention Grant
- Patent Title: Image forming toner, image forming apparatus, image forming method, and process cartridge
- Patent Title (中): 成像调色剂，成像设备，图像形成方法和处理盒
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Application No.: US13000185Application Date: 2009-06-17
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Publication No.: US08741520B2Publication Date: 2014-06-03
- Inventor: Toyoshi Sawada , Akihiro Kotsugai , Akiyoshi Sabu
- Applicant: Toyoshi Sawada , Akihiro Kotsugai , Akiyoshi Sabu
- 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: JP2008-171943 20080701; JP2008-171944 20080701
- International Application: PCT/JP2009/061436 WO 20090617
- International Announcement: WO2010/001770 WO 20100107
- Main IPC: G03G9/00
- IPC: G03G9/00
Abstract:
The present invention provides an image forming toner including at least a linear polyester resin (b1) as a binder resin, wherein the linear polyester resin (b1) is obtained by reacting a polyester diol (b11) having a polyhydroxycarboxylic acid skeleton, with a polyester diol (b12) other than the polyester diol (b11) in the presence of a chain extending agent.
Public/Granted literature
- US20110129775A1 IMAGE FORMING TONER, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND PROCESS CARTRIDGE Public/Granted day:2011-06-02
Information query
