Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Reexamination Certificate
2008-04-22
2008-04-22
Ahmed, Sheeba (Department: 1794)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
C399S111000, C399S222000
Reexamination Certificate
active
11502408
ABSTRACT:
A developer carrier is capable of stably charging a toner over a long term without change in physical surface shape and composition. The developer carrier has at least a substrate and resin coating layer formed on a surface of the substrate. The resin coating layer includes at least graphitized particles (i) with a degree of graphitization p(002) of 0.20 to 0.95 and an indentation hardness HUT [68] of 15 to 60 or graphitized particles (ii) with a degree of graphitization p(002) of 0.20 to 0.95 and an average circularity SF-1of 0.64 or more.
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Akashi Yasutaka
Fujishima Kenji
Goseki Yasuhide
Okamoto Naoki
Otake Satoshi
Ahmed Sheeba
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
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