Invention Grant
- Patent Title: Toner
- Patent Title (中): 爽肤水
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Application No.: US12973206Application Date: 2010-12-20
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Publication No.: US08663888B2Publication Date: 2014-03-04
- Inventor: Yasutada Shitara , Yohichiroh Watanabe , Yasuo Katano , Shinya Nakayama , Ryota Inoue , Yoshihiro Moriya , Akiyoshi Sabu , Shingo Sakashita , Yukiko Nakajima
- Applicant: Yasutada Shitara , Yohichiroh Watanabe , Yasuo Katano , Shinya Nakayama , Ryota Inoue , Yoshihiro Moriya , Akiyoshi Sabu , Shingo Sakashita , Yukiko Nakajima
- 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: JP2009-289545 20091221
- Main IPC: G03G13/20
- IPC: G03G13/20
Abstract:
The present invention provides a toner including: a colorant, and a binder resin, wherein the toner is fixed on a recording medium using a fixing liquid containing a softening agent for softening the toner, and wherein a weight average molecular weight of a THF soluble fraction of the toner in a molecular weight distribution measured by gel permeation chromatography (GPC) is 3,000 to 8,300; and a glass transition temperature of the toner measured by differential scanning calorimetry (DSC) is 50° C. to 70° C.
Public/Granted literature
- US20110151370A1 TONER Public/Granted day:2011-06-23
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