Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1997-11-20

1999-11-02

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430581, 430584, 430585, 430611, G03C 114

Patent

active

059767790

ABSTRACT:
A silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer, wherein silver halide grains of said emulsion layer are reduction sensitized and contain at least one compound represented by the following formula (I): ##STR1## wherein A represents a divalent linking group having at least one atom other than a carbon atom; Z.sub.1 represents an atomic group necessary for forming a 5- or 6-membered nitrogen-containing heterocyclic ring; L.sub.1 and L.sub.2 each represents a methine group; p.sub.1 represents 0 or 1; M.sub.1 represents a counter ion for balancing a charge; m.sub.1 represents a number of from 0 to 10 necessary for neutralizing a charge in the molecule; and Q represents a group necessary to form a methine dye.

REFERENCES:
patent: 3424586 (1969-01-01), Gotze
patent: 5254456 (1993-10-01), Yashimata et al.
patent: 5290673 (1994-03-01), Nishikawa
patent: 5597687 (1997-01-01), Dobles et al.

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