Silver halide photographic materials containing 1,3,4-thiadiazol

Details Silver halide photographic materials containing 1,3,4-thiadiazol Silver halide photographic materials containing 1,3,4-thiadiazol

1985-12-24

1987-09-29

Goodrow, John L.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Identified radiation sensitive composition with color...

430558, 430611, G03C 128, G03C 134

Patent

active

046968946

ABSTRACT:
A silver halide photographic material exhibiting improved interimage effects and having improved sharpness and graininess is disclosed. The material contains at least one compound represented by formula (I) or formula (II): ##STR1## wherein R.sup.1 represents a straight or branched chain alkylene, alkenylene or aralkylene group, or an arylene group; R.sup.2 represents a hydrogen atom, or a substituted or unsubstituted alkyl, aryl, alkenyl or aralkyl group; X represents a hydrogen atom, an alkali metal atom, an ammonium group or a precursor capable of providing a hydrogen atom or an alkali metal atom under an alkaline condition; Z.sup.1 and Z.sup.2 each represents a polar group; and n represents 0 or 1.

REFERENCES:
patent: 4137079 (1979-01-01), Houle
patent: 4252895 (1981-02-01), Kato et al.
patent: 4451561 (1984-05-01), Hirabayashi et al.
patent: 4554245 (1985-11-01), Hayashi et al.

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