Invention Grant
- Patent Title: Toner
- Patent Title (中): 爽肤水
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Application No.: US12094737Application Date: 2006-11-28
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Publication No.: US08236470B2Publication Date: 2012-08-07
- Inventor: Yoshihiro Ueno , Takashi Kubo , Yasunori Inagaki , Yoshitomo Kimura
- Applicant: Yoshihiro Ueno , Takashi Kubo , Yasunori Inagaki , Yoshitomo Kimura
- Applicant Address: JP Tokyo
- Assignee: Kao Corporation
- Current Assignee: Kao Corporation
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2005-349085 20051202
- International Application: PCT/JP2006/323712 WO 20061128
- International Announcement: WO2007/063847 WO 20070607
- Main IPC: G03G9/087
- IPC: G03G9/087

Abstract:
A toner containing a resin binder and a colorant, wherein the resin binder contains a polyester (A) having a softening point Tm(A) of from 100° to 160° C., and a polyester (B) having a softening point Tm(B) of from 80° to 120° C., the softening point of which is lower than that of the polyester (A) by 5° C. or more, each polyester obtained by polycondensing an alcohol component and a carboxylic acid component, wherein the polyester (A) and/or (B) is a polyester obtained by polycondensing an alcohol component consisting essentially of an aliphatic alcohol, wherein the alcohol component contains a dihydric alcohol component containing 1,2-propanediol in an amount of 65% by mol or more, and a carboxylic acid component. The toner of the present invention is usable in the development or the like of a latent image formed in electrophotography, electrostatic recording method, electrostatic printing method, or the like.
Public/Granted literature
- US20100015545A1 Toner Public/Granted day:2010-01-21
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