Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2007-03-16
2010-11-09
Chapman, Mark A (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109400, C430S110200, C399S252000
Reexamination Certificate
active
07829254
ABSTRACT:
The present invention aims at providing non-magnetic toner which is excellent in fixing property and charge property and capable of inhibiting occurrence of scumming, as well as an image forming apparatus and a process cartridge using the non-magnetic toner.A non-magnetic toner comprising: a toner base particle which comprises a binding resin, and a colorant; and external additives,wherein a surface of the toner base particle contains at least a resin having at least silanol group, and the external additives contain at least particles composed of silicon oxide.
REFERENCES:
patent: 2006/0040194 (2006-02-01), Sugiura et al.
patent: 2006/0204882 (2006-09-01), Nozaki et al.
patent: 2006/0210902 (2006-09-01), Nakamura et al.
patent: 2006/0275686 (2006-12-01), Kadota et al.
patent: 9-179336 (1997-07-01), None
patent: 11-305478 (1999-11-01), None
patent: 3195362 (2001-06-01), None
patent: 2002-116574 (2002-04-01), None
patent: 2004-109848 (2004-04-01), None
patent: 2004-246345 (2004-09-01), None
patent: 2004-271638 (2004-09-01), None
patent: 2004-295105 (2004-10-01), None
patent: 2004-310018 (2004-11-01), None
patent: 2005-234410 (2005-09-01), None
patent: 3724309 (2005-09-01), None
patent: WO 97/01131 (1997-01-01), None
U.S. Appl. No. 12/017,853, filed Jan. 22, 2008, Masumoto, et al.
U.S. Appl. No. 12/026,057, filed Feb. 5, 2008, Nozaki, et al.
U.S. Appl. No. 12/035,892, filed Feb. 22, 2008, Kadota, et al.
U.S. Appl. No. 12/046,784, filed Mar. 12, 2008, Nozaki, et al.
U.S. Appl. No. 12/046,866, filed Mar. 12, 2008, Matsumoto, et al.
U.S. Appl. No. 12/048,689, filed Mar. 14, 2008, Kadota, et al.
U.S. Appl. No. 12/049,719, filed Mar. 17, 2008, Yamamoto, et al.
U.S. Appl. No. 12/050,963, filed Mar. 19, 2008, Ishikawa, et al.
U.S. Appl. No. 12/046,869, filed Mar. 12, 2008, Nozaki, et al.
U.S. Appl. No. 12/172,378, filed Jul. 14, 2008, Yamamoto, et al.
Kurose Katsunori
Matsumoto Mitsuyo
Nozaki Chiyoshi
Nozaki Tsuyoshi
Yamamoto Atsushi
Chapman Mark A
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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