Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2009-05-19
2011-12-27
Chapman, Mark (Department: 1721)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108100
Reexamination Certificate
active
08084175
ABSTRACT:
Provided is a set of toners comprising a yellow toner, a magenta toner, a cyan toner and a black toner for forming a full color image with an electrophotographic method, wherein the yellow toner comprises toner particles containing at east one pigment selected from the group consisting of C. I. Pigment Yellow 74, C. I. Pigment Yellow 139, C. I. Pigment Yellow 180, C. I. Pigment Yellow 185 and C. I. Pigment Yellow 155; the magenta toner comprises toner particles containing a rhodamine based dye represented at least by Formula (1) and Formula (2), and the cyan toner comprises toner particles containing a phthalocyanine based dye represented by Formula (5):
REFERENCES:
patent: 5556727 (1996-09-01), Ciccarelli et al.
patent: 2004/0248025 (2004-12-01), Miyakawa
patent: 2006/0019187 (2006-01-01), Nakamura
patent: 2006/0160009 (2006-07-01), Padunchwit et al.
patent: 2007/0218395 (2007-09-01), Winters
Fujisaki Tatsuya
Hirose Naohiro
Obara Shinya
Ohno Yohei
Soeda Kaori
Chapman Mark
Konica Minolta Business Technologies Inc.
Lucas & Mercanti LLP
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