发明授权
- 专利标题: Image forming toner, image forming apparatus, image forming method, and process cartridge
- 专利标题(中): 成像调色剂,成像设备,图像形成方法和处理盒
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申请号: US13000185申请日: 2009-06-17
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公开(公告)号: US08741520B2公开(公告)日: 2014-06-03
- 发明人: Toyoshi Sawada , Akihiro Kotsugai , Akiyoshi Sabu
- 申请人: Toyoshi Sawada , Akihiro Kotsugai , Akiyoshi Sabu
- 申请人地址: JP Tokyo
- 专利权人: Ricoh Company, Ltd.
- 当前专利权人: Ricoh Company, Ltd.
- 当前专利权人地址: JP Tokyo
- 代理机构: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- 优先权: JP2008-171943 20080701; JP2008-171944 20080701
- 国际申请: PCT/JP2009/061436 WO 20090617
- 国际公布: WO2010/001770 WO 20100107
- 主分类号: G03G9/00
- IPC分类号: G03G9/00
摘要:
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.
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