Radiation imagery chemistry: process – composition – or product th – Electric or magnetic imagery – e.g. – xerography,... – Post imaging process – finishing – or perfecting composition...
Reexamination Certificate
2006-06-06
2006-06-06
Rodee, Christopher (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Electric or magnetic imagery, e.g., xerography,...
Post imaging process, finishing, or perfecting composition...
C430S108800
Reexamination Certificate
active
07056634
ABSTRACT:
To provide a yellow toner allowing formation of an image with an excellent transparency for an OHP, an excellent coloring power, and an excellent light resistance. In the yellow toner including at least a yellow pigment containing a monoazo compound represented by the following formula (1), the value of a* is in the range of −5 to +14 when b* is +80 with respect to a transmission chromaticity of an image formed on a transparency sheet.(wherein X1to X6each independently denotes a substituent selected from the group consisting of a hydrogen atom, a C1–3 alkyl group, a C1–3 alkoxyl group, a nitro group, a halogen group, a sulfonic group, a sulfamoyl group, a sulfamoyl group substituted with an aromatic group, a carboxyl group, and a carboxylate; each may bond with another to form a benzene ring or an imidazolone ring.)
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Diamond, Arthur S. (ed.) Handbook of Imaging Materials. New York: Marcel-Dekker, Inc. (1991) pp. 163-170.
Machine translation of JP 10-171165 (Jun. 1998).
Sharma, Gaurav. Digital Color Imaging Handbook.. Boca Raton: CRC Press (Dec. 2002) pp30-32.
Ishii Atsushi
Kotaki Takaaki
Matsunaga Satoshi
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