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EP0356801A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Light-sensitive silver halide photographic material

Assignee: Konica Minolta Inc
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Filing: 1989-08-15
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Granted: —
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Expires: 2009-08-15
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Abstract

Abstract Disclosed is a light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a support, wherein a hydrazide derivative is contained in the light-sensitive silver halide emulsion layer, and the above hydrophilic colloid layer contains at least one of the compounds represented by Formulae [II] and [III] shown below: wherein R1, R2 and R3 are as defined in the specification, wherein R1 and R2 are as defined in the specification.

Inventors

  • 👤 Junichi Fukawa
  • 👤 Takeshi Habu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 18:54
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/061; G03C1/37

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 195 words
A light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a support, wherein a hydrazide derivative is contained in said light-sensitive silver halide emulsion layer, and the above hydrophilic colloid layer contains at least one of the compounds represented by Formulae [II] and [III] shown below: wherein R 1 represents hydrogen atom, a straight or branched alkyl group, a cyclic alkyl group, an alkenyl group, an aralkyl group, an aryl group, a heterocyclic group, an alkylamide group, an arylamide group, an alkylthioamide group, an arylthioamide group, an alkylsulfonamide group or an arylsulfonamide group, R 2 and R 3 each represent hydrogen atom, a halogen atom, an alkyl group, a cyclic alkyl group, an aryl group, a cyano group, an alkylthio group, an arylthio group, an arylsulfoxide group or an alkylsulfonyl group; with proviso that the above alkyl group, the cylic alkyl group, the alkenyl group, aralkyl group, aryl group and heterocyclig group may have substituent, wherein R 1 represents hydrogen atom, a lower alkyl group or a hydroxymethyl group, and R 2 represents hydrogen atom or a lower alkyl group.
Claim 2
Dependent Claim 195 words
A light-sensitive silver halide photographic material having a hydrophilic colloid layer containing at least one layer of a light-sensitive silver halide emulsion layer provided on a support, wherein a hydrazide derivative is contained in said light-sensitive silver halide emulsion layer, and the above hydrophilic colloid layer contains at least one of the compounds represented by Formulae [II] and [III] shown below: wherein R 1 represents hydrogen atom, a straight or branched alkyl group, a cyclic alkyl group, an alkenyl group, an aralkyl group, an aryl group, a heterocyclic group, an alkylamide group, an arylamide group, an alkylthioamide group, an arylthioamide group, an alkylsulfonamide group or an arylsulfonamide group, R 2 and R 3 each represent hydrogen atom, a halogen atom, an alkyl group, a cyclic alkyl group, an aryl group, a cyano group, an alkylthio group, an arylthio group, an arylsulfoxide group or an alkylsulfonyl group; with proviso that the above alkyl group, the cylic alkyl group, the alkenyl group, aralkyl group, aryl group and heterocyclig group may have substituent, wherein R 1 represents hydrogen atom, a lower alkyl group or a hydroxymethyl group, and R 2 represents hydrogen atom or a lower alkyl group.
Claim 3
Dependent Claim 71 words
The light-sensitive silver halide photographic material according to Claim 1, wherein said hydrazide derivative is a compound represented by Formula [I - a] wherein R 1 and R 2 each represent an aryl group or a heterocyclic group, R represents a divalent organic linking group, n i 0 to 6, m is 0 or 1, and when n is 2 or more, respective R's may be either the same or different.
Claim 4
Dependent Claim 77 words
The light-sensitive silver halide photographic material according to Claim 1, wherein said hydrazide derivative is a compound represented by Formula [I - b] wherein R 21 represents an aliphatic group, an aromatic group or a heterocyclic group, R 22 represents hydrogen atoms, an alkoxy group which may be substituted, a heterocyclic oxy group, an amino group or an aryloxy group, P 1 and P 2 each represent hydrogen atom, an acyl group or a sulfinic acid group.
Claim 5
Dependent Claim 52 words
The light-sensitive silver halide photographic material according to Claim 1, wherein said hydrazide derivative is a compound represented by Formula [I - c] wherein Ar represents an aryl group containing at least one of diffusion resistant group or silver halide adsorption promoting group, and R 3 , represents a substituted alkyl group.
Claim 6
Dependent Claim 50 words
The light-sensitive silver halide photographic material according to Claim 1, 2, 3 or 4, wherein the content of said hydrazide derivative is within the range of from 5 x 10- 7 to 5 x 10 -1 mol per mol of silver halide contained in the light-sensitive silver halide photographic material.
Claim 7
Dependent Claim 46 words
The light-sensitive silver halide photographic material according to Claim 5, wherein the content of said hydrazide derivative is within the range of from 1 x 10- 5 to 1 x 10- 2 mol per mol of silver halide contained in the light-sensitive silver halide photographic material.
Claim 8
Dependent Claim 31 words
The-light-sensitive silver halide photographic material according to Claims 1 or 2 to 6, wherein said compound represented by Formula [II] is selected from the group consisting of 2-methyl-3-isothiazolone, 5-chloro-2-methyl-3-isothiazolone and 4,5-dichloro-2-methyl-3-isothiazolone.
Claim 9
Dependent Claim 22 words
The light-sensitive silver halide photographic material according to Claims 1 or 2 to 7, wherein said compound represented by Formula [III] is
Claim 10
Dependent Claim 44 words
The light-sensitive silver halide photographic material according to Claims 1 or 2 to 8, wherein the content of said compound represented by Formula [II] or [III] is within the range of 1 x 10- 3 to 10% by weight based on the hydrophilic colloid.
Claim 11
Dependent Claim 40 words
The light-sensitive silver halide photographic material according to Claim 9, wherein the content of said compound represented by Formula [II] or [III] is within the range of 1 x 10 -3 to 3% by weight based on the hydrophilic colloid.
Claim 12
Dependent Claim 72 words
The light-sensitive silver halide photographic material according to Claim 1, 2, 3 or 4, wherein said material oontains: a hydrazide derivative in an amount of 1 x 10- 5 to 1 x 10 -2 mol per mol of silver halide, and at least one of 2-methyl-3-isothiazolone, 5-chloro-2-methyl-3-isothiazolone, 4,5-dichloro-2-methyl-3-isothiazolone and a compound represented by the formula: in an amount of 1 x 10- 3 to 3% by weight based on the hydrophilic colloid.

References Cited (Backward Citations)

EP0090584A2 Cited

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