Title:
【発明の名称】高コントラストな画像を得ることができるハロゲン化銀写真感光材料
Document Type and Number:
Japanese Patent JP2683796
Kind Code:
B2
Abstract:
A silver halide photographic light-sensitive material is disclosed, which inhibited in formation of peper spot in a halftone image and capable of making extremely high contrast image thereon. The light-sensitive material contains a compound represented by the following formula; wherein A1 and A2 are each an arylene group or a divalent heterocyclic group; L is a linking group; z is a formyl group, an acyl group, a sulfonyl group, a carbamoyl group, a sulfamoyl group, an alkoxycarbonyl group, a thioacyl group or a - @- @-X group; X is -NR6R7 or -OR8, in which R6 and R7 are each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, a heterocyclic group, a hydroxy group, an alkoxy group, an alkenylkoxy group, an alkynyloxy group, an aryloxy group or a heterocyclic oxy group, and R8 is a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group or a heterocyclic group; n is 1 or 2; m is 0 or 1; R1 and R2 are each a hydrogen atom, an alkyl group, an alkenyl group, an alkynyl group, an aryl group, a heterocyclic group or an amino group, provided that when n is 1, at least one of the R1 and R2 is an amino group; R3 is a hydrogen atom or an alkyl group; and R4 and R5 are each a hydrogen atom or a substituent.
Inventors:
Yasushi Usagawa
Fumio Ishii
Fumio Ishii
Application Number:
JP31454388A
Publication Date:
December 03, 1997
Filing Date:
December 13, 1988
Export Citation:
Assignee:
Konica Corporation
International Classes:
C07C243/28; C07C255/66; C07C259/06; C07C281/06; C07C323/60; C07C337/06; C07D211/56; C07D211/58; C07D213/70; C07D213/77; C07D239/38; C07D277/82; C07D295/28; C07D307/20; C07D307/22; C07D307/66; C07D333/66; C07D401/12; C07D403/12; G03C1/06; (IPC1-7): G03C1/06
Domestic Patent References:
| JP62160438A | ||||
| JP62258446A | ||||
| JP62280734A | ||||
| JP59200231A |
Other References:
【文献】米国特許4977063(US,A)
【文献】欧州特許331096(EP,B1)
【文献】欧州特許331096(EP,B1)
Attorney, Agent or Firm:
Toru Takatsuki