Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2005-05-25
2008-10-21
RoDee, Christopher (Department: 1795)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108600, C430S108210, C430S111400, C430S111410
Reexamination Certificate
active
07439003
ABSTRACT:
A magnetic black toner for electrophotography comprising a binding resin, a magnetic substance, and a pigment, wherein the pigment is at least one of phthalocyanine pigment and Mn containing hematite, and the content ratio of the magnetic substance and the pigment in the toner satisfy the following formulae: 10≦A≦30, 0.1≦B≦3, 5≦C≦40, wherein A denotes the content ratio (mass %) of the magnetic substance in the toner, B denotes the content ratio (mass %) of the phthalocyanine pigment in the toner, and C denotes the content ratio (mass %) of the Mn containing hematite in the toner.
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Diamond, Arthur S & David Weiss (eds.) Handbook of Imaging Materials, 2nd ed.. New York: Marcel-Dekker, Inc. (Nov. 2001) pp. 145-164.
Ishimaru Seijirou
Katagiri Yoshimichi
Ochiai Masahisa
Yoshida Sadaaki
Fuji 'Xerox Co., Ltd.
Oliff & Berridg,e PLC
RoDee Christopher
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