Silver halide photographic material

Details Silver halide photographic material Silver halide photographic material

1990-08-10

1993-02-09

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

430569, 430597, 430598, 430607, 430614, 430940, G03C 1485, G03C 134

Patent

active

051852403

ABSTRACT:
Disclosed is an autopositive silver halide photographic material which comprises at least one silver halide emulsion layer, characterized in that said emulsion layer or at least one other hydrophilic colloid layers contains at least one compound selected from the group consisting of compounds represented by the following general formulas (1), (2) and (3): ##STR1## wherein R.sub.1 represents hydrogen atom or an alkyl group; and R.sub.2, R.sub.3 and R.sub.4 each represents hydrogen atom, a halogen atom, an alkyl group or an alkoxy group; ##STR2## wherein R.sub.5 represents hydrogen atom or an alkyl group; and R.sub.6 and R.sub.7 each represents hydrogen atom, an alkyl group, a halogen atom or an aryl group; ##STR3## wherein R.sub.8 represents a lower alkylene group; X represents a halogen atom, nitro group, hydroxy group, a cyano group, a lower alkyl group, a lower alkoxy group, ##STR4## or --SO.sub.3 M; R.sub.12 represents hydrogen atom, --OM, a lower alkyl group, a lower alkoxy group or ##STR5## R.sub.13 and R.sub.14 may be the same or different groups and each represents hydrogen atom, a lower alkyl group, --COR.sub.17 or --SO.sub.2 R.sub.17 ; R.sub.15 and R.sub.16 may be the same or different groups and each represents hydrogen atom or a lower alkyl group; R.sub.17 represents a lower alkyl group; M represents hydrogen atom, an alkali metal or an atomic group required for forming a monovalent cation; and n represents 0 or an integer of 1 to 5.

REFERENCES:
patent: 2870015 (1959-01-01), Allen et al.
patent: 3501307 (1970-03-01), Illingsworth
patent: 3526507 (1970-09-01), Ishikawa et al.
patent: 3650759 (1972-03-01), Sonoda et al.
patent: 4059450 (1977-11-01), Vanassche et al.
patent: 4923790 (1990-05-01), Kato et al.
patent: 4997752 (1991-03-01), Sasaki et al.
patent: 5059516 (1991-10-01), Sato et al.

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