Electrophotography – Control of electrophotography process – Control of charging
Reexamination Certificate
2008-02-04
2010-06-08
Chen, Sophia S (Department: 2852)
Electrophotography
Control of electrophotography process
Control of charging
C399S128000, C399S170000
Reexamination Certificate
active
07734204
ABSTRACT:
The presently disclosed embodiments are directed to imaging members useful in electrostatography. More particularly, the embodiments pertain to an improved development systems for electrophotographic imaging and printing apparatuses and machines in which ghosting print defects are reduced, and more particularly, is directed to a method for reducing positive ghosting in such systems.
REFERENCES:
patent: 4437755 (1984-03-01), Sakurayama et al.
patent: 4477179 (1984-10-01), Inuzuka et al.
patent: 5832336 (1998-11-01), Kawasaki et al.
patent: 6832058 (2004-12-01), Akita et al.
patent: 2003/0147659 (2003-08-01), Yoshikawa et al.
Chen Sophia S
Pillsbury Winthrop Shaw & Pittman LLP
Xerox Corporation
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