Invention Application
- Patent Title: MAGENTA TONER
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Application No.: US12995977Application Date: 2010-02-19
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Publication No.: US20110300478A1Publication Date: 2011-12-08
- Inventor: Ayako Sekikawa , Takaaki Kaya , Atsushi Tani , Shigeto Tamura
- Applicant: Ayako Sekikawa , Takaaki Kaya , Atsushi Tani , Shigeto Tamura
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Priority: JP2009-046213 20090227
- International Application: PCT/JP2010/053019 WO 20100219
- Main IPC: G03G9/093
- IPC: G03G9/093

Abstract:
A magenta toner characterized by satisfying, in DSC measurement, 40.0≦Tg(0.5)≦60.0 and 2.0≦Tg(4.0)-Tg(0.5)≦10.0, wherein when preparing a solution of which the magenta toner is dissolved in ethyl acetate, and defined the concentration of the thereof as Cm1 (mg/ml), and the light absorbance thereof at a wavelength of 538 nm as A(ethyl acetate)538, the ratio of A(ethyl acetate)538 to Cm1 satisfies the formula, A(ethyl acetate)538/Cm1
Public/Granted literature
- US08497056B2 Magenta toner Public/Granted day:2013-07-30
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