Invention Grant
- Patent Title: Toner, developer, and image forming apparatus
- Patent Title (中): 调色剂，显影剂和成像装置
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Application No.: US14425398Application Date: 2013-09-10
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Publication No.: US09400439B2Publication Date: 2016-07-26
- Inventor: Kousuke Nagata , Masahide Yamada , Shinya Nakayama , Akiyoshi Sabu , Tatsuya Morita , Takamasa Hase , Suzuka Amemori , Rintaro Takahashi
- Applicant: Kousuke Nagata , Masahide Yamada , Shinya Nakayama , Akiyoshi Sabu , Tatsuya Morita , Takamasa Hase , Suzuka Amemori , Rintaro Takahashi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Ltd.
- Current Assignee: Ricoh Company, Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2012-204480 20120918; JP2013-044886 20130307
- International Application: PCT/JP2013/074957 WO 20130910
- International Announcement: WO2014/046067 WO 20140327
- Main IPC: G03G9/08
- IPC: G03G9/08 ; G03G9/087 ; G03G15/08 ; G03G15/20
Abstract:
A toner including a crystalline resin wherein the crystalline resin contains a crystalline resin having a urethane bond, a urea bond or both thereof, and wherein the crystalline resin has an average crystallite diameter of 20 nm to 70 nm.
Public/Granted literature
- US20150234304A1 TONER, DEVELOPER, AND IMAGE FORMING APPARATUS Public/Granted day:2015-08-20
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