Patent EP0370404A2 successfully refreshed from Google Patents.
EP0370404A2
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Light-sensitive silver halide photographic materials
Assignee: Eastman Kodak Co
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Filing: 1989-11-17
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Granted: —
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Expires: 2009-11-17
Abstract
Abstract Light-sensitive silver halide photographic materials comprising a support base and one or more hydrophilic colloid layers, at least one of which is a silver halide emulsion layer, at least one hydrophilic colloid surface layer of said photographic materials containing a) a non-ionic surface active agent having a polyoxyethylene group, b) a fluorinated organic compound which is the reaction product of a polyoxyalkyleneamine compound and a fluorinated organic acid compound, c) discrete particles of a water-insoluble matting agent and d) discrete particles of a water-insoluble surface modifying agent selected in the group of a silicone polymer and colloidal silica.
Inventors
- 👤 Elio Cavallo
- 👤 Renzo Torterolo
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 02:06
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/85; G03C1/89; G03C1/95; Y; Y10; Y10S; Y10S430/00; Y10S430/151
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
96 words
A light-sensitive photographic material comprising a support base and one or more hydrophilic colloidal layers, at least one of which is a silver halide emulsion layer, at least one hydrophilic colloidal surface layer of said material containing a) a non-ionic surface active agent having a polyoxyalklylene group, b) a fluorinated organic salt which is the reaction product of a polyoxyalkylene amine compound with a fluorinated organic acid compound, c) discrete particles of a water-insoluble matting agent and d) discrete particles of a water-insoluble surface modifying agent selected in the group of silicone polymer and colloidal silica.
Claim 2
Dependent Claim
96 words
A light-sensitive photographic material comprising a support base and one or more hydrophilic colloidal layers, at least one of which is a silver halide emulsion layer, at least one hydrophilic colloidal surface layer of said material containing a) a non-ionic surface active agent having a polyoxyalklylene group, b) a fluorinated organic salt which is the reaction product of a polyoxyalkylene amine compound with a fluorinated organic acid compound, c) discrete particles of a water-insoluble matting agent and d) discrete particles of a water-insoluble surface modifying agent selected in the group of silicone polymer and colloidal silica.
Claim 3
Dependent Claim
87 words
The light-sensitive photographic material of claim 1, wherein said polyoxyalkylene amine is represented by one of the following general formulas: wherein R represents an alkoxy group which may be substituted, R₁ represents a hydrogen atom or a methyl group, n represents an integer of 1 to 50, b represents an integer of 5 to 150, a+c represents an integer from 2 to 5, A represents a CH≡, CH₃C≡, CH₃CH₂C≡ or a -CH₂-CH-CH₂ group and x, y and z, equal or different, represent integers of 1 to 30.
Claim 4
Dependent Claim
91 words
The light-sensitive photographic material of claim 1, wherein said fluorinated organic acid is represented by the general formula: {R f -(B) o }-(SO₃H) p (VI) wherein R f represents an unsubstituted or substituted alkyl group having 2 to 18 carbon atoms or an unsubstituted or substitued alkenyl group having 2 to 15 carbon atoms in which the hydrogen atoms are partially or completely substituted with fluorine atoms to include at least 3 fluorine atoms, B represents a divalent organic group, o represents 0 or 1 and p represents 1 or 2.
Claim 5
Dependent Claim
102 words
The light-sensitive photographic material of claim 1, wherein said non-ionic surface active agent is represented by the general formula: wherein R₂ represents an unsubstituted or substituted alkyl group having 1 to 30 carbon atoms, an unsubstituted or substituted alkenyl group having 1 to 30 carbon atoms or an unsubstituted or substituted aryl group, R₃ represents a hydrogen atom or a methyl group, D represents a group -O-, -S-, -COO-, wherein R₄ represents a hydrogen atom or an unsubstituted or substituted alkyl group having 1 to 20 carbon atoms, q represents 0 or 1 and r represents an integer of 2 to 50.
Claim 6
Dependent Claim
20 words
The light-sensitive photographic material of claim 1, wherein said matting agent has particle mean sizes from 2 to 6 µm.
Claim 7
Dependent Claim
13 words
The light-sensitive photographic material of claim 1, wherein said matting agent is polymethylmethacrylate.
Claim 8
Dependent Claim
21 words
The light-sensitive photographic material of claim 1, wherein said surface modifying agent has particle mean sizes from 0.001 to 1 µm.
Claim 9
Dependent Claim
58 words
The light-sensitive photographic material of claim 1, wherein said silicone polymer has the general formula: wherein R₅ is an alkyl group having 1 to 3 carbon atoms, R₆ is an alkyl group having 1 to 3 carbon atoms or an alkoxy group having 1 to 2 carbon atoms and n is a positive integer from 0 to 2000.
Claim 10
Dependent Claim
26 words
The light-sensitive photographic material of claim 1, wherein said non-ionic surface active agent is used in a quantity from 10 to 1000 mg/m² of photographic material.
Claim 11
Dependent Claim
24 words
The light-sensitive photographic material of claim 1, wherein said fluorinated salt is used in a quantity from 0.5 to 1000 mg/m² of photographic material.
Claim 12
Dependent Claim
24 words
The light-sensitive photographic material of claim 1, wherein said matting agent is used in a quantity from 5 to 2000 mg/m² of photographic material.
Claim 13
Dependent Claim
25 words
The light-sensitive photographic material of claim 1, wherein said surface modifying agent is used in a quantity from 5 to 5000 mg/m² of photographic material.
Claim 14
Dependent Claim
18 words
The light-sensitive photographic material of claim 1, wherein the hydrophilic colloid of said hydrophilic colloidal layer is gelatin.
Claim 15
Dependent Claim
17 words
The light-sensitive photographic material of claim 1, wherein said surface hydrophilic colloidal layer is a protective layer.
Claim 16
Dependent Claim
19 words
The light-sensitive photographic material of claim 1, wherein said at least one hydrophilic colloidal layer is a backing layer.
Claim 17
Dependent Claim
116 words
A light-sensitive photographic material comprising: a) a support base, b) at least one hydrophilic colloidal silver halide emulsion layer coated on both sides of said support base, and c) a hydrophilic colloidal protective layer coated on each emulsion layer, wherein at least one hydrophilic colloidal protective layer comprises a) a non-ionic surface active agent having a polyoxyalkylene group, b) a fluorinated organic salt which is the reaction product of a polyoxyalkylene amine compound with a fluorinated organic acid compound, c) discrete particles of a water-insoluble matting agent and d) discrete particles of a water-insoluble surface modifying agent selected in the group of a silicone polymer and colloidal silica, as defined in claims from 1 to 13.
References Cited (Backward Citations)
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