Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-01-11
2011-01-11
Chapman, Mark A (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109300, C430S109400, C430S137110, C430S137120, C399S252000
Reexamination Certificate
active
07867682
ABSTRACT:
A toner including a core including at least a colorant, a release agent and a first binder resin; and a shell located overlying the core and including at least a second binder resin, wherein the first binder resin includes a polyester resin including a unit obtained from a diol selected from the group consisting of aliphatic diols and alicyclic diols, and the second binder resin includes a vinyl copolymer, and wherein a weight ratio (S/C) of the shell (S) to the core (C) is from 0.05 to 0.5 and the toner has a volume average particle diameter of from 3 to 8 μm.
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Nakamura Minoru
Nozaki Chiyoshi
Nozaki Tsuyoshi
Yamamoto Atsushi
Chapman Mark A
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh Company Limited
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