Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2007-01-23
2007-01-23
Rodee, Christopher (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S111400, C430S111410
Reexamination Certificate
active
10086683
ABSTRACT:
A carrier for an image developer for electrophotography, including core particles, and a coating layer covering each of the core particles, wherein the core particles have a weight average particle diameter of Dv which is 25–45 μm and a number average particle diameter of Dp which meets with the following condition:in-line-formulae description="In-line Formulae" end="lead"?1≦Dv/Dp≦1.3,in-line-formulae description="In-line Formulae" end="tail"?wherein the core particles have such a particle size distribution that particles having a particle diameter of less than 44 μm is at least 70% by weight and particles having a particle diameter of less than 22 μm is not more than 7% by weight.
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Matsuda Hiroaki
Sasaki Fumihiro
Yoshikawa Hiroyuki
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh & Company, Ltd.
Rodee Christopher
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