Patent US4712027A successfully refreshed from Google Patents.
EP0256858A2
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Rapidly processable silver halide photographic light-sensitive material
Assignee: Konica Minolta Inc
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Filing: 1987-08-13
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Granted: —
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Expires: 2007-08-13
Abstract
Abstract A rapidly processable silver halide photographic light-sensitive material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer comprising, (a) silver halide grains comprising not less than 80 mol% of silver chloride, (b) at least one optical sensitizing dye represented by the following general formula [I] and (c) at least one compound represented by the following general formula [II]. The photographic material has a high sensitivity, lowered fog and excellent storage stability. <CHEM> e
Inventors
- 👤 Takaaki Kojima
- 👤 Mitsuhiro Okumura
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 18:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/09
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
146 words
A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol% of silver chloride, (b) at least one optical sensitizing dye represented by the following general formula [I], and (c) at least one compound represented by the following general formula [II]: wherein X₁, X₂, X₃ and X₄ are each independently a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group; R₁ and R₂ are each independently an alkyl group; X⁻ is a counter anion and n is 0 or l, wherein Q is an atomic group necessary to complete a five-membered heterocyclic ring, a five-membered heterocyclic ring condensed with a benzene ring or a l,3,5-triazine ring and M is a hydrogen atom, an alkali atom or an ammonium group.
Claim 2
Dependent Claim
146 words
A silver halide photographic light-sensitive material comprising a support having thereon at least one silver halide emulsion layer comprising (a) silver halide grains comprising not less than 80 mol% of silver chloride, (b) at least one optical sensitizing dye represented by the following general formula [I], and (c) at least one compound represented by the following general formula [II]: wherein X₁, X₂, X₃ and X₄ are each independently a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an aryl group or a hydroxy group; R₁ and R₂ are each independently an alkyl group; X⁻ is a counter anion and n is 0 or l, wherein Q is an atomic group necessary to complete a five-membered heterocyclic ring, a five-membered heterocyclic ring condensed with a benzene ring or a l,3,5-triazine ring and M is a hydrogen atom, an alkali atom or an ammonium group.
Claim 3
Dependent Claim
33 words
A silver halide photographic light-sensitive material according to claim l, wherein Q is an atomic group necessary to complete a five-membered heterocyclic ring or a five-membered heterocyclic ring condensed with a benzene ring.
Claim 4
Dependent Claim
29 words
A silver halide photographic light-sensitive material according to claim l, wherein Q is an atomic group necessary to complete a tetrazole ring, l,3,4-oxadiazole ring, l,3,4-diazole ring or l,3,4-triazole ring.
Claim 5
Dependent Claim
22 words
A silver halide photographic light-sensitive material according to claim l, wherein Q is an atomic group necessary to complete a tetrazole ring.
Claim 6
Dependent Claim
56 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion layer contains said optical sensitizing dye represented by the general formula [I] in an amount of from 5 × l0⁻⁶ to 5 × l0⁻² mol per mol of silver halide contained in said silver halide emulsion layer.
Claim 7
Dependent Claim
54 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion layer contains said compound represented by the general formula [II] in an amount of from l × l0⁻⁶ to l × l0⁻¹ mol per mol of silver halide contained in said silver halide emulsion layer.
Claim 8
Dependent Claim
58 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion layer contains said silver halide grains comprising not less than 80 mol% of silver chloride in an amount of not less than 80% by weight to the total weight of silver halide grains contained said silver halide emulsion layer.
Claim 9
Dependent Claim
37 words
A silver halide photographic light-sensitive material according to claim 7, wherein all the silver halide grains contained in said silver halide emulsion layer are said silver halide grains comprising not less than 80 mol% of silver chloride.
Claim 10
Dependent Claim
39 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein the average silver chloride content of all the silver halide grains contained in said silver halide emulsion layer is not less than 80 mol%.
Claim 11
Dependent Claim
48 words
l0. A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion layer contains a gold compound in an amount of from 5 × l0⁻⁷ to 5 × l0⁻³ mol per mol of silver halide contained in said emulsion layer.
Claim 12
Dependent Claim
24 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion layer contains a sulfur sensitizer.
Claim 13
Dependent Claim
27 words
A silver halide photographic light-sensitive material according to any one of the preceding claims, wherein said silver halide emulsion contains a gold compound and a sulfur sensitizer.
References Cited (Backward Citations)
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