Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2003-09-26
2009-06-02
Dote, Janis 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...
C430S108100, C430S109400, C430S123510, C430S123540, C430S124320, C430S137160, C430S137190
Reexamination Certificate
active
07541128
ABSTRACT:
A toner composition including toner particles including a binder resin including a modified polyester resin, and a second resin having a weight average molecular weight of from 2,000 to 10,000; a colorant; a release agent; and a particulate material which is present at least a surface portion of the toner particles while embedded into the surface portion, wherein the binder resin has a glass transition temperature not lower than 35° C. and lower than 55° C., and wherein the particulate material has an average particle diameter of from 0.002 to 0.2 times that of the toner particles. A developer including the toner composition and a carrier having a layer thereon which includes at least an acrylic resin and a silicone resin, and a method for fixing an image of the toner composition are also provided.
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Emoto Shigeru
Nanya Toshiki
Saito Takuya
Sugiyama Tsunemi
Suzuki Masanori
Dote Janis L
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
Ricoh Company Limited
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