Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-03-21
2006-03-21
Aulakh, Charanjit S. (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S075000, C546S061000
Reexamination Certificate
active
07015327
ABSTRACT:
New anthrapyridone compounds represented by the general formula (14):{wherein R represents a hydrogen atom, an alkyl group (optionally substituted with mono- or di-alkylamino group), a lower alkyl group (optionally substituted with a hydroxyl group or a cyano group), or a cyclohexyl group; Y represents a chlorine atom, a hydroxyl group, an amino group, mono- or di-alkylamino group (optionally substituted with a sulfonic acid group, a carboxy group, or a hydroxyl group), an aralkyl- or cycloalkyl-amino group, an alkoxy group, a phenoxy group (optionally substituted with a sulfonic acid group, a carboxy group, an acetylamino group, an amino group, or a hydroxyl group), an anilino group (optionally substituted with a sulfonic acid group or a carboxy group), or a naphthylamino group (optionally substituted with a sulfonic acid group); and X represents a bridging group}; or salts thereof and magenta inks containing the same, which have hues and vividness suitable for ink-jet recording and give records excellent in fastness to light, gas, water and so on.
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Copy of the International Search Report dated Jan. 14, 2003.
Copy of the European Search Report dated Dec. 14, 2004.
Fujii Katsunori
Fujii Takafumi
Matsumoto Hiroyuki
Shirasaki Yasuo
Aulakh Charanjit S.
Nields & Lemack
Nippon Kayaku Kabushiki Kaisha
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