Silver halide photographic material and methine dye

Details Silver halide photographic material and methine dye Silver halide photographic material and methine dye

2007-11-06

2007-11-06

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S517000, C430S522000, C430S577000, C430S578000, C430S579000, C430S581000, C430S582000, C430S583000, C430S584000, C430S585000, C430S586000, C430S587000, C430S588000, C430S590000, C430S591000, C430S592000, C430S594000, C430S595000

Reexamination Certificate

active

09931309

ABSTRACT:
Disclosed is a silver halide photographic material which comprises at least one methine dye represented by the following formula (I):wherein Y represents a furan ring or a pyrrole ring, and Y may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring, or may have a substituent; the bond between two carbon atoms in which Y is condensed may be a single bond or a double bond; Z represents an atomic group necessary to form a 5- or 6-membered nitrogen-containing heterocyclic ring, and Z may further be condensed with other 5- or 6-membered carbocyclic ring or heterocyclic ring; R represents a substituted or unsubstituted alkyl group, aryl group, or heterocyclic group; D represents a group necessary to form a methine dye; L1and L2each represents a methine group; p represents 0 or 1; M represents a counter ion; and m represents a number of 0 or higher necessary to neutralize the charge in the molecule.

REFERENCES:
patent: 5057406 (1991-10-01), Usagawa et al.
patent: 5061618 (1991-10-01), Parton et al.
patent: 5397693 (1995-03-01), Kawata et al.
patent: 5457022 (1995-10-01), Hioki et al.
patent: 61-277950 (1986-12-01), None
patent: 62-204250 (1987-09-01), None
patent: 03107140 (1991-05-01), None
patent: 2000-063690 (2000-02-01), None
patent: 321167 (1972-11-01), None
patent: 615110 (1978-07-01), None
The Theory Of The Photographic Process, Fourth Edition, T.H. James, 1989, pp. 194-225.

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