Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1993-04-21

1994-08-16

Chea, Thorl

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430584, 430585, 430587, G03C 112

Patent

active

053386566

ABSTRACT:
Disclosed is a silver halide photographic material comprising at least one compound (merocyanine dye) represented by the following general formula (I): ##STR1## wherein Z represents nonmetal atoms necessary to complete a 5- or 6-membered heterocyclic ring; X represents non-metal atoms necessary to complete a 5- or 6-membered acidic nucleus; R.sup.2 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 ; R.sup.3, R.sup.4, R.sup.5 and R.sup.6 each represent an alkyl group, an alkoxy group or an amino group; r, s, t and u each represent an integer from 1 to 5; R.sup.1 has the same meaning as R.sup.2 or represents an alkyl group substituted by a sulfo or carboxyl group; p represents 0 or 1; L.sub.1 and L.sub.2 each represent a methine group; and n represents 0, 1, 2 or 3.

REFERENCES:
patent: 3152673 (1973-08-01), Depoorter et al.
patent: 3705038 (1972-12-01), Philippaerts et al.

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