Invention Grant
- Patent Title: Toner, developer and method of manufacturing toner
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Application No.: US14928797Application Date: 2015-10-30
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Publication No.: US09618863B2Publication Date: 2017-04-11
- Inventor: Satoshi Takahashi , Yoshihiro Moriya , Satoshi Kojima , Masahiko Ishikawa , Tatsuki Yamaguchi
- Applicant: Satoshi Takahashi , Yoshihiro Moriya , Satoshi Kojima , Masahiko Ishikawa , Tatsuki Yamaguchi
- 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: JP2014-224097 20141104
- Main IPC: G03G9/087
- IPC: G03G9/087 ; G03G9/08

Abstract:
A toner is provided. The toner includes a binder resin, a colorant, a release agent and an external additive. The toner has an average circularity of from 0.965 to less than 0.985. The toner has BET specific surface area of less than 1.20 m2/g after liberation treatment of external additive.
Public/Granted literature
- US20160124332A1 TONER, DEVELOPER AND METHOD OF MANUFACTURING TONER Public/Granted day:2016-05-05
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