Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-01-10
2009-02-17
Habte, Kahsay T (Department: 1624)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C549S344000, C549S388000, C549S392000, C549S393000
Reexamination Certificate
active
07491832
ABSTRACT:
The present invention provides a sulfonate compound including a structure represented by a general formula (I) below.In the formula (I), an atomic group A-O is an atomic group that forms a fluorescent compound upon cleavage of a covalent bond with a sulfonyl group. There may be one or plural atomic groups B—SO3— bound to an atomic group A. B is a ring substituted by one or plural electron-withdrawing groups. The electron-withdrawing group includes at least one selected from the group consisting of halogens, a carboxyl group, a carbamoyl group, a straight or branched alkylcarbamoyl group, a straight or branched alkanoyl group, a straight or branched alkoxycarbonyl group, a straight or branched alkyl halide group, and —NR3+group (the three Rs each denote a hydrogen atom or a straight or branched alkyl group and may be the same or different). When there are plural Bs, the Bs may be the same or different.
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Hirata Kazumasa
Maeda Hatsuo
Miyamoto Kazuhisa
Habte Kahsay T
Hamre Schumann Mueller & Larson P.C.
Osaka Industrial Promotion Organization
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