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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomohisa Sano0
Kozue Uratani0
Yoshitaka Suzumura0
Yusuke Hasegawa0
Yuujirou Nagashima0
Date of Patent
December 12, 2017
Patent Application Number
15256780
Date Filed
September 6, 2016
Patent Citations Received
Patent Primary Examiner
Patent abstract
Provided is a toner having a toner particle that contains a binder resin, a colorant, a wax, and a crystalline polyester, wherein two or more peak tops for crystallization peaks are present in a temperature range from 40° C. to 80° C. in a first DSC curve obtained by a process or cooling the toner from 100° C. to 20° C. at 0.5° C./min, and using ΔH(0.5) for the exothermic quantity for the peak on the lowest temperature side of these crystallization peaks and using ΔH(100) for the exothermic quantity of the crystallization peak on the lowest temperature side in a second DSC curve obtained by a process of cooling the toner from 100° C. to 20° C. at 100° C./min, the ratio [ΔH(100)/ΔH(0.5)] is at least 2.0 and not more than 6.0.
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