Invention Grant
US07642032B2 Toner, developer, image forming apparatus and image forming method
有权
调色剂，显影剂，成像装置和成像方法
- Patent Title: Toner, developer, image forming apparatus and image forming method
- Patent Title (中): 调色剂，显影剂，成像装置和成像方法
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Application No.: US10959663Application Date: 2004-10-07
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Publication No.: US07642032B2Publication Date: 2010-01-05
- Inventor: Hideki Sugiura , Satoshi Mochizuki , Akihiro Kotsugai , Yasuo Asahina , Osamu Uchinokura , Hisashi Nakajima , Tomoyuki Ichikawa , Shinya Nakayama , Kohichi Sakata , Tomoko Utsumi , Hitoshi Iwatsuki , Yasuaki Iwamoto
- Applicant: Hideki Sugiura , Satoshi Mochizuki , Akihiro Kotsugai , Yasuo Asahina , Osamu Uchinokura , Hisashi Nakajima , Tomoyuki Ichikawa , Shinya Nakayama , Kohichi Sakata , Tomoko Utsumi , Hitoshi Iwatsuki , Yasuaki Iwamoto
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2003-361586 20031022
- Main IPC: G03G9/08
- IPC: G03G9/08
Abstract:
A toner including a binder resin; and a colorant, wherein a hexafluoroisopropanol (HFIP)-soluble component satisfies the following relationship: 2,000 ≦Mn ≦7,000 and 1.5 ≦Mn/Mw ≦10 wherein Mn represents a number-average molecular weight and Mw represents a weight-average molecular weight.
Public/Granted literature
- US20050089786A1 Toner, developer, image forming apparatus and image forming method Public/Granted day:2005-04-28
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