Nonmagnetic one-component toner for electrophotographic...

Details Nonmagnetic one-component toner for electrophotographic... Nonmagnetic one-component toner for electrophotographic...

2007-07-31

2007-07-31

Goodrow, John L (Department: 1756)

Radiation imagery chemistry: process, composition, or product th

Electric or magnetic imagery, e.g., xerography,...

Post imaging process, finishing, or perfecting composition...

C430S108700, C430S108800, C430S109400

Reexamination Certificate

active

10843394

ABSTRACT:
A nonmagentic one-component toner for an electrophotographic image forming apparatus includes a toner with toner particles, a binder resin having a coloring agent, a charging control agent, and a release agent, and an external additive added to the toner particles. The external additive includes approximately 0.1 to 3.0 wt % of silica having a charge opposite to the toner particles, approximately 0.1 to 3.0 wt % of silica having a same charge as the toner particles, and approximately 0.1 to 4.0 wt % of titanium dioxide.

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Korean Office Action dated Feb. 25, 2005 of the Korean Patent Application No. 10-2003-0031421.

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