Invention Grant
- Patent Title: Toner and method for producing the same, and image-forming method using the same
- Patent Title (中): 调色剂及其制造方法以及使用其的成像方法
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Application No.: US11229748Application Date: 2005-09-20
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Publication No.: US07932007B2Publication Date: 2011-04-26
- Inventor: Hiroshi Yamashita , Chiaki Tanaka , Yohichiroh Watanabe , Tsunemi Sugiyama , Masahiro Ohki , Sonoh Matsuoka , Masahide Yamada , Naohiro Watanabe , Akinori Saitoh , Ryota Inoue
- Applicant: Hiroshi Yamashita , Chiaki Tanaka , Yohichiroh Watanabe , Tsunemi Sugiyama , Masahiro Ohki , Sonoh Matsuoka , Masahide Yamada , Naohiro Watanabe , Akinori Saitoh , Ryota Inoue
- 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: JP2004-273063 20040921
- Main IPC: G03G9/08
- IPC: G03G9/08
Abstract:
There are provided: a method for producing a toner containing to granulate a toner and to subjecting the granulated toner to at least washing with an alkali washing solution, in which the total organic carbon amount extractable from the alkali-washed toner is 200 ppm/g or less; a toner comprising polyester in which the total organic carbon amount extractable from the toner is 200 ppm/g or less, under the condition that the toner is subjected to washing with the alkali washing solution before extracting; and an image-forming method using such a toner.
Public/Granted literature
- US20060068312A1 Toner and method for producing the same, and image-forming method using the same Public/Granted day:2006-03-30
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