Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2005-09-06
2005-09-06
Powers, Fiona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
06939975
ABSTRACT:
A compound represented by the following formula (I) or a salt thereof:wherein R1and R2represent an alkyl group or an aryl group; R3to R6represent hydrogen atom, an alkyl group, an aryl group, a heteroaryl group, a halogen atom, cyano group, carboxyl group or sulfo group; X1and X2represent an alkyl group having 1 to 15 carbon atoms or an aryl group, and the total number of carboxyl groups existing in X1and X2is 4 or less; m1to m3represents 0 or 1; L1to L7represent a methine group; M represents hydrogen atom, a metal or a quaternary ammonium salt; Y represents nonmetallic elements required to form a 5- to 10-membered heterocyclic ring; and n represents an integer of 1 to 7 required to neutralize charge, which is useful for manufacture of silver halide photographic light-sensitive materials.
REFERENCES:
patent: 4839265 (1989-06-01), Ohno et al.
patent: 19957007 (2001-05-01), None
patent: 0 342 939 (1989-11-01), None
patent: 0 428 112 (1991-05-01), None
patent: 0 445 627 (1991-09-01), None
patent: 0 678 778 (1995-10-01), None
patent: 4-358143 (1992-12-01), None
patent: 5-307233 (1993-11-01), None
patent: 6-95282 (1994-04-01), None
patent: 6-316674 (1994-11-01), None
patent: 10-195319 (1998-07-01), None
patent: 2000-94836 (2000-04-01), None
patent: 2000292758 (2000-10-01), None
Chudinova et al., Chemical Abstracts, 129:142315, 1998.
Kawakami Masayuki
Kitaguchi Hiroshi
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