Silver halide photographic material

Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...

Reexamination Certificate

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C430S552000, C430S553000, C430S570000, C430S577000, C430S578000, C430S579000, C430S581000, C430S582000, C430S583000, C430S584000, C430S585000, C430S586000, C430S587000, C430S588000, C430S589000

Reexamination Certificate

active

07052827

ABSTRACT:
A silver halide photographic material including at least one methine dye represented by the following general formula (I) and at least one coupler represented by the following general formula (XX):wherein X1and X2each represents an oxygen atom, a sulfur atom, a selenium atom, a tellurium atom, or a nitrogen atom; Y1represents a furan, pyrrole or thiophene ring which may be condensed with another 5- or 6-membered carbon ring or heterocycle or may have a substituent group; Y2represents an atomic group necessary for forming a benzene ring or a 5- or 6-membered unsaturated heterocycle, which may be further condensed with another 5- or 6-membered carbon ring or heterocycle or may have a substituent group; a bond between two carbon atoms by which Y1and Y2are each condensed with the carbon ring or the heterocycle may be a single bond or a double bond; R1and R2each represents a substituted or unsubstituted alkyl, aryl or heterocyclic group; L1, L2and L3each represents a methine group; n1represents 0 or 1; M1represents a counter ion; and m1represents a number of 0 or more necessary for neutralizing a charge in a molecule;wherein Q5represents a substituted or unsubstituted aryl group; Q6represents a substituted or unsubstituted alkyl group; Q7represents a hydrogen atom, a halogen atom, an alkoxyl group or an alkyl group; and X represents a hydrogen atom or a group to be released by a reaction with an oxidant of a developing agent.

REFERENCES:
patent: 5057406 (1991-10-01), Usagawa et al.
patent: 5061618 (1991-10-01), Parton et al.
patent: 5457022 (1995-10-01), Hioki et al.
patent: 6756189 (2004-06-01), Gibson et al.
patent: 6828087 (2004-12-01), Nakamura
patent: 2002/0058216 (2002-05-01), Nakamura et al.
patent: 2000-63690 (2000-02-01), None
patent: 2002-23295 (2002-01-01), None

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