Invention Grant
- Patent Title: Toner
- Patent Title (中): 爽肤水
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Application No.: US12618883Application Date: 2009-11-16
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Publication No.: US08221949B2Publication Date: 2012-07-17
- Inventor: Hisakazu Tajima , Kohei Katayama , Eiji Shirai , Akihiro Eida
- Applicant: Hisakazu Tajima , Kohei Katayama , Eiji Shirai , Akihiro Eida
- 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: JP2008-308721 20081203
- Main IPC: G03G9/00
- IPC: G03G9/00

Abstract:
A toner containing a resin binder containing two kinds of polyesters having softening points that differ by 10° C. or more, a colorant and a charge control agent, wherein the two kinds of polyesters contain a polyester A having a softening point of from 105° to 140° C. and a glass transition temperature of from 30° to 55° C., and a polyester B having a softening point of from 140° to 170° C. and a glass transition temperature of exceeding 55° C. and 80° C. or lower. The toner of the present invention is usable in, for example, development of latent images formed in electrophotography, electrostatic recording method, electrostatic printing method or the like.
Public/Granted literature
- US20100136469A1 TONER Public/Granted day:2010-06-03
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