Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2008-12-15
2011-10-11
Le, Hoa (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S109100
Reexamination Certificate
active
08034520
ABSTRACT:
Disclosed is a magenta toner, which contains magenta colorants composed of compound A represented by Formulas (1), (2) or (3) in an amount of mA and compound B selected from a group consisting of a mono-azo pigment, a naphthol pigment and rhodamine chelate pigment in an amount of mA, and a ratio of amount mA:mB is 90:10 to 55:45.are described in the specification.
REFERENCES:
patent: 53144741 (1978-12-01), None
patent: 62015557 (1987-01-01), None
Abstract of JP 53144741 Dec. 1978.
Abstract of JP 62015557 Jan. 1987.
Hayashi Kenji
Kouyama Mikio
Kusaka Natsuko
Obata Hiroaki
Yasukawa Hiroyuki
Konica Minolta Business Technologies Inc.
Le Hoa
Squire Sanders & Dempsey (US) LLP
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