Patent EP0658804A2 successfully refreshed from Google Patents.
EP0658804A2
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EP
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Silver halide photographic material
Assignee: Fujifilm Holdings Corp
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Filing: 1994-12-16
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Granted: —
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Expires: 2014-12-16
Abstract
Abstract A silver halide photographic material is disclosed, which comprises a support having thereon at least one silver halide emulsion layer, wherein the support is polyester having a glass transition temperature of from 90°C to 200°C and contains a specific dye and/or an inorganic pigment in a slight amount.
Inventors
- 👤 Fumio Kawamoto
- 👤 Shigeru Ohno
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 20:07
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/95; G03C1/795; G03C1/7954
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
44 words
A silver halide photographic material comprising a support having thereon at least one silver halide emulsion layer, wherein the support is polyester having a glass transition temperature of from 90°C to 200°C and contains at least one of a dye and an inorganic pigment.
Claim 2
Dependent Claim
240 words
The silver halide photographic material as claimed in claim 1, wherein the dye is represented by the following formula (I) or (II): wherein R₁, R₂, R₃, R₄, R₅, R₆, R₇ and R₈ are the same or different and each represents a hydrogen atom, a hydroxyl group, an aliphatic group, an aromatic group, a heterocyclic group, a halogen atom, a cyano group, a nitro group, -COR₉, -COOR₉, -NR₉R₁₀, -NR₁₀COR₁₁, -NR₁₀SO₂R₁₁, -CONR₉R₁₀, -SO₂NR₉R₁₀, -OR₁₁, -SO₂R₁₁, -OCOR₁₁, -NR₉CONR₁₀R₁₁, -CONHSO₂R₁₁ or -SO₂NHCOR₁₁, in which R₉ and R₁₀ each represents a hydrogen atom, an aliphatic group, an aromatic group or a heterocyclic group, R₁₁ represents an aliphatic group, an aromatic group or a heterocyclic group, and R₉ and R₁₀ may be combined with each other to form a 5- or 6-membered ring; and R₁ and R₂, or R₂ and R₃ may be combined with each other to form a ring; wherein R₂₁, R₂₃ and R₂₄ are the same or different and each represents a hydrogen atom, a hydroxyl group, a nitro group, a cyano group, an aliphatic group, -COR₂₉, -COOR₂₉, -NR₂₉R₃₀, -NR₃₀COR₃₁ or -NR₃₀SO₂R₃₁, in which R₂₉ and R₃₀ each has the same meanings as those defined for R₉ and R₁₀ in formula (I), and R₃₁ has the same meanings as those defined for R₁₁ in formula (I); R₂₂ represents an aliphatic group or an aromatic group; and at least one of R₂₁, R₂₂, R₂₃ and R₂₄ is a group other than a hydrogen atom.
Claim 3
Dependent Claim
57 words
The silver halide photographic material as claimed in claims 1 or 2, wherein the inorganic pigment is selected from carbon black and at least one compound of an oxide, a sulfide, a sulfate, a sulfite, a carbonate, a hydroxide, a halide or a nitrate of an alkaline metal, an alkaline earth metal, Si, Al, Ti or Fe.
Claim 4
Dependent Claim
20 words
The silver halide photographic material as claimed in claim 3, wherein the inorganic pigment is carbon black or titanium dioxide.
Claim 5
Dependent Claim
23 words
The silver halide photographic material as claimed in any of claims 1-4, wherein the polyester mainly comprises naphthalene dicarboxylic acid and ethylene glycol.
Claim 6
Dependent Claim
16 words
The silver halide photographic material as claimed in claim 5, wherein the polyester is polyethylene-2,6-naphthalene dicarboxylate.
Claim 7
Dependent Claim
38 words
The silver halide photographic material as claimed in any of claims 1-6 wherein the support is heat-treated at a temperature of from 50°C to its glass transition temperature after forming a film and before coating a light-sensitive layer.
References Cited (Backward Citations)
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