Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate
2007-03-20
2007-03-20
Powers, Fiona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
C524S099000, C347S106000, C430S007000
Reexamination Certificate
active
11177302
ABSTRACT:
The invention provides a pyridone azo compound represented by the following Formula (I)R1, R3and R4each independently represent a hydrogen atom, an alkyl group having 1 to 21 carbon atoms, an alkenyl group having 2 to 21 carbon atoms, an aryl group having 6 to 21 carbon atoms, an aralkyl group having 7 to 21 carbon atoms, or a substituent having a hetero atom; at least one of R1, R3and R4represents a substituent having a hetero atom; R3and R4may be formed into a heterocycle together with a jointly bonded nitrogen atom; and R2represents an alkyl group having 1 to 10 carbon atoms, a methoxymethyl group, or a trifluoromethyl group. The invention further provides a colorant-containing curable composition and a color filter which contain the pyridone azo compound of Formula (I) and/or a tautomer thereof as a colorant.
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Aizawa Taeko
Araki Katsumi
Fuji Photo Film Co. , Ltd.
Powers Fiona T.
Sughrue & Mion, PLLC
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