Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yushi Mikuriya0
Emi Tosaka0
Kazumi Yoshizaki0
Koji Abe0
Nobuhisa Abe0
Satoshi Handa0
Shinya Yachi0
Yasuhiro Hashimoto0
Date of Patent
August 21, 2012
0Patent Application Number
117676400
Date Filed
June 25, 2007
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A toner including toner particles containing at least a binder resin and a colorant. The binder resin is a vinyl-based resin. The toner contains a THF insoluble matter in a quantity of 0.0 mass % or more to less than 16.0 mass %. The toner has a main peak in a molecular weight domain Dr1 ranging from 5,000 to 80,000 in measurement of THF soluble matter of the toner with a gel permeation chromatogram (GPC)-differential refractive index detector (RI), and the toner has a main peak in a molecular weight domain Dm1 ranging from 10,000 to 120,000 and at least one peak in a molecular weight domain Dm2 ranging from 300,000 to 7,000,000 in the GPC-RI measurement in measurement with a GPC-multi-angle laser light scattering detector (MALLS).
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