Title:
【発明の名称】ハロゲン化銀感光材料
Document Type and Number:
Japanese Patent JPH07119983
Kind Code:
B2
Abstract:
A silver halide photographic material comprising a support having provided thereon at least one silver halide emulsion layer containing a compound represented by formula (I): (I) wherein EAG represents an aromatic group bonding to NA and capable of accepting an electron; NA and NB each represents a nitrogen atom; R1 represents a lone pair, a pi -bond, a sigma -bond, or a substituent other than a hyudrogen atom; n represents 2 or 3; m represents 0 when n represents 2, or m represents 1 and NB has a positive charge when n represents 3; X(-) represents an anion; the groups or bonds represented by R1 may be combined with each other or may be combined with EAG to form a ring; R2 represents R3-CO-, R3-SO2-, R3-CO-N=CH-, or R3-SO2-N=CH-, wherein R3 represents an alkyl group, an aryl group, or a heterocyclic group; the group represented by R2 may be combined with at least one of R1 and EAG to form a ring; Time represents a group releasing PUG via subsequent reaction triggered by the cleavage of the nitrogen-nitrogen bond in said compound represented by formula (I); PUG represents a photographically usefull group; t represents 0 or 1; and dotted lines indicate that at least one of them represents a bond.
Inventors:
Nakamura Gouki
Application Number:
JP3495387A
Publication Date:
December 20, 1995
Filing Date:
February 18, 1987
Export Citation:
Assignee:
Fuji Photo Film Co., Ltd.
International Classes:
G03C7/32; C07D231/20; C07D231/22; C07D231/56; C07D249/12; C07D249/14; C07D249/18; C07D271/10; C07D273/04; C07D285/04; C07D401/12; C07D405/10; C07D417/12; G03C7/00; G03C7/26; G03C7/305; G03C8/08; (IPC1-7): G03C7/305; G03C8/08
Domestic Patent References:
| JP62260153A | ||||
| JP63271348A | ||||
| JP62215270A | ||||
| JP62293243A |