Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2007-04-25
2008-12-02
Goodrow, John L (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S111400, C430S110300, C430S137140
Reexamination Certificate
active
07459253
ABSTRACT:
A toner is provided which is excellent in low-temperature fixability and offset resistance, has a wide fixing temperature range, provides fixed images with high gloss, and can form toner images having high quality. The toner is composed of toner particles having toner base particles each containing a binder resin and a colorant. When the viscosities of each of the toner particles measured at 100° C. and 110° C. by a flow tester heat-up method are represented by η100(Pa·s) and η110(Pa·s), respectively, an average variation in viscosity AηTrepresented by the following equation (1) satisfies the relationship of 0≧AηT≧−0.064:in-line-formulae description="In-line Formulae" end="lead"?AηT=(log(η110)−log(η100)/(110−100); and (1)in-line-formulae description="In-line Formulae" end="tail"?η100is 15,000 to 40,000 Pa·s.
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Abe Koji
Handa Satoshi
Hashimoto Yasuhiro
Mikuriya Yushi
Tosaka Emi
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Goodrow John L
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