Invention Grant
- Patent Title: Toner
- Patent Title (中): 爽肤水
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Application No.: US10570151Application Date: 2004-06-11
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Publication No.: US07846632B2Publication Date: 2010-12-07
- Inventor: Hiroshi Nakatani
- Applicant: Hiroshi Nakatani
- Applicant Address: JP Tokyo
- Assignee: Zeon Corporation
- Current Assignee: Zeon Corporation
- Current Assignee Address: JP Tokyo
- Agency: Westerman, Hattori, Daniels & Adrian, LLP
- Priority: JP2003-311008 20030903
- International Application: PCT/JP2004/008202 WO 20040611
- International Announcement: WO2005/024522 WO 20050317
- Main IPC: G03G9/08
- IPC: G03G9/08

Abstract:
The toner of the present invention, comprising a colored resin particle and an external additive, wherein said external additive contains a silica fine particle (A) having a Dv50/Dv10 of 1.8 or more, in which Dv10 represents a particle diameter at which a volume cumulative total from small particle diameter side is 10% and Dv50 represents a particle diameter at which the mentioned volume cumulative total is 50%, a volume average particle diameter in the range from 0.1 to 1.0μ, and a sphericity in the range from 1 to 1.3. The toner of the present invention cause less fog, and excellent resolution on the printed image, excellent in cleaning property, and cause less filming.
Public/Granted literature
- US20070020543A1 Toner Public/Granted day:2007-01-25
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