Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1993-12-13

1995-06-06

Baxter, Janet C.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430584, 430588, G03C 114, G03C 116, G03C 118, G03C 120

Patent

active

054222389

ABSTRACT:
A novel silver halide photographic material comprising at least one methine compound represented by the following general formula (I): ##STR1## wherein R.sup.1 represents --(CH.sub.2).sub.r --CONHSO.sub.2 --R.sup.3, --(CH.sub.2).sub.s --SO.sub.2 NHCO--R.sup.4, --(CH.sub.2).sub.t --CONHCO--R.sup.5 or --(CH.sub.2).sub.u --SO.sub.2 NHSO.sub.2 --R.sup.6 in which R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represents an alkyl group, alkoxy group or amino group, r, s, t and u each represents an integer 1 to 5; and R.sup.2 represents has the same meaning as R.sup.1 or represents an alkyl group; Z.sup.1 and Z.sup.2 each represents a nonmetallic atom group required to form a 5- or 6-membered heterocyclic group; p and q each represents an integer 0 or 1; L.sub.1, L.sub.2 and L.sub.3 each represents a methine group; m represents an integer 0 to 2; X represents an anion; and k represents an integer required to adjust the charge in the molecule to 0. The silver halide photographic material may comprise at least one methine compound represented by the general formula (I) and at least one water-soluble dye.

REFERENCES:
patent: 3264110 (1966-08-01), Depoorter
patent: 3282933 (1966-11-01), Nys et al.
patent: 3615634 (1971-10-01), Gotze et al.
patent: 4118228 (1978-10-01), Corluy et al.
patent: 4130429 (1978-12-01), Van Doorselaer
patent: 4524128 (1985-06-01), Edwards et al.
patent: 4935337 (1990-06-01), Kuwashima et al.
Research Disclosure, Dec. 1978, vol. 176, No. 43, pp. 22-31. 17643, `Photographic silver halide emulsions, preparations, addenda, processing and systems`.

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