Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2011-06-21
2011-06-21
Chapman, Mark A (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S111410, C430S111310
Reexamination Certificate
active
07964330
ABSTRACT:
There are adopted an electrophotographic resin-coated ferrite carrier having a carrier core coated with a resin, wherein a product of an apparent density ρ (g/cm3), average particle size d (μm) and BET specific surface area S (m2/g) of the carrier core satisfies the following condition, a method for producing the same, and an electrophotographic developer.in-line-formulae description="In-line Formulae" end="lead"?4.5≦ρ×d×S≦8.5 (20≦d≦45)in-line-formulae description="In-line Formulae" end="tail"?
REFERENCES:
patent: 5419994 (1995-05-01), Honjo et al.
patent: 6365316 (2002-04-01), Stamp et al.
patent: 2003/0044711 (2003-03-01), Hutcheson
patent: 2006/0194137 (2006-08-01), Kobayashi et al.
Kayamoto Kanao
Shinmura Issei
Chapman Mark A
Powertech Co., Ltd.
RothWell, Figg, Ernst & Manbeck P.C.
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