Patent EP0320939A2 successfully refreshed from Google Patents.
EP0320939A2
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EP
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Silver halide color photographic material
Assignee: Fujifilm Holdings Corp
•
Filing: 1988-12-15
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Granted: —
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Expires: 2008-12-15
Abstract
Abstract A silver halide color photographic material having at least one silver halide emulsion layer on a support, said photographic material containing at least one coupler represented by the following general formula (I) in a constituent layer: wherein R i and R 2 , which may be the same or different, each represents an alkyl, alkoxy, alkylthio, alkylsulfonyl, alkoxycarbonyl, alkoxysulfonyl, aryl, aryloxy, arylthio, arylsulfonyl and aryloxycarbonyl group; R 3 and R 4 , which may be the same or different, each represents a group by which benzene can be substituted; Z represents nonmetal atoms necessary to form a 5- to 7-membered single or condensed hetero ring together with the nitrogen atom; and m and n each represents an integer of from 0 to 4, and when they are each a plural number, a plural R 3 or a plural R 4 may be the same or different.
Inventors
- 👤 Hidetoshi C/O Fuji Photo Film Co. Ltd. Kobayashi
- 👤 Yasuhiro C/O Fuji Photo Film Co. Ltd. Shimada
- 👤 Seiji Ichijama
- 👤 Yoshio Ishii
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 23:30
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30541; G03C7/30558; G03C7/30511; G03C7/30517; G03C7/30535
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
231 words
A silver halide color photographic material having at least one silver halide emulsion layer on a support, said photographic material containing at least one coupler represented by the following general formula (I) in a constituent layer: wherein R, and R 2 , which may be the same or different, each represents an alkyl group containing 2 to 24 carbon atoms, an alkoxy group containing 2 to 24 carbon atoms, an alkylthio group containing 2 to 24 carbon atoms, an alkylsulfonyl group containing 2 to 24 carbon atoms, an alkoxycarbonyl group containing 2 to 24 carbon atoms, an alkoxysulfonyl group containing 2 to 24 carbon atoms, an aryl group containing 6 to 24 carbon atoms, an aryloxy group containing 6 to 24 carbon atoms, an arylthio group containing 6 to 24 carbon atoms, an arylsulfonyl group containing 6 to 24 carbon atoms, and an aryoxycarbonyl group containing 7 to 24 carbon atoms; R 3 and R 4 , which may be the same or different, each represents a group by which benzene can be substituted; Z represents nonmetal atoms necessary to form a 5- to 7-membered single or condensed hetero ring together with the nitrogen atom; and m and n each represents an integer of from 0 to 4, and when they are each a plural number, a plural R 3 or a plural R 4 may be the same or different.
Claim 2
Dependent Claim
231 words
A silver halide color photographic material having at least one silver halide emulsion layer on a support, said photographic material containing at least one coupler represented by the following general formula (I) in a constituent layer: wherein R, and R 2 , which may be the same or different, each represents an alkyl group containing 2 to 24 carbon atoms, an alkoxy group containing 2 to 24 carbon atoms, an alkylthio group containing 2 to 24 carbon atoms, an alkylsulfonyl group containing 2 to 24 carbon atoms, an alkoxycarbonyl group containing 2 to 24 carbon atoms, an alkoxysulfonyl group containing 2 to 24 carbon atoms, an aryl group containing 6 to 24 carbon atoms, an aryloxy group containing 6 to 24 carbon atoms, an arylthio group containing 6 to 24 carbon atoms, an arylsulfonyl group containing 6 to 24 carbon atoms, and an aryoxycarbonyl group containing 7 to 24 carbon atoms; R 3 and R 4 , which may be the same or different, each represents a group by which benzene can be substituted; Z represents nonmetal atoms necessary to form a 5- to 7-membered single or condensed hetero ring together with the nitrogen atom; and m and n each represents an integer of from 0 to 4, and when they are each a plural number, a plural R 3 or a plural R 4 may be the same or different.
Claim 3
Dependent Claim
74 words
The material according to claim 1, wherein the alkyl or aryl moiety of the R, and R 2 groups is substituted by a halogen atom, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an aryl group, an alkoxycarbonyl group, a carbamoyl group, a carbonamido group, a sulfonamido group, a suifamoyl group, a hydroxyl group, an acyl group, an acyloxy group, an imido group, an alkylsulfonyl group, and an arylsulfonyl group.
Claim 4
Dependent Claim
21 words
The material according to claim 1, wherein the alkyl moiety of R, and R 2 has a branched-chain or cyclic structure.
Claim 5
Dependent Claim
21 words
The material according to claim 1, wherein the aryl moiety of R, and R 2 is substituted by an alkyl group.
Claim 6
Dependent Claim
23 words
The material according to claim 1, wherein R, and R 2 each represents an alkoxy group, an alkylsulfonyl group, or an alkoxycarbonyl group.
Claim 7
Dependent Claim
20 words
The material according to claim 1, wherein R, and R 2 each represents an alkylsulfonyl group or an alkoxycarbonyl group.
Claim 8
Dependent Claim
27 words
The material according to claim 1, wherein the number of carbon atoms contained in the group represented by Ri or R 2 ranges from 2 to 24.
Claim 9
Dependent Claim
27 words
The material according to claim 1, wherein the number of carbon atoms contained in the group represented by R, or R 2 ranges from 6 to 16.
Claim 10
Dependent Claim
88 words
The material according to claim 1, wherein R 3 and R 4 are selected from a halogen atom, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an acyl group, an acyloxy group, a carbonamido group, a sulfonamido group, a hydroxyl group, a carboxyl group, a sulfo group, a cyano group, an alkoxycarbonyl group, an aryloxycarbonyl group an amino group, a heterocyclic group, an imido group, a carbamoyl group, and a sulfamoyl group.
Claim 11
Dependent Claim
19 words
The material according to claim 1, wherein m and n are each an integer of from 0 to 2.
Claim 12
Dependent Claim
26 words
The material according to claim 1, wherein the total number of carbon atoms contained in (Rs)m or (R 4 ) n is from 0 to 24.
Claim 13
Dependent Claim
101 words
The material according to claim 1, wherein is represented by the following general formula (II): wherein Rs represents a halogen atom, a nitro group, a cyano group, an amino group, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylthio group, an arylthio group, a thiazolylideneamino group, an alkylsulfonyl group, an arylsulfonyl group, an acyloxy group, a carbonamido group, a sulfonamido group, a carbamoyl group, a sulfamoyl group, an imido group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, or an ureido group and ℓ represents an integer of from 0 to 4.
Claim 14
Dependent Claim
22 words
The material according to claim 12, wherein the total number of the carbon atoms contained in (Rs)-t is from 0 to 10.
Claim 15
Dependent Claim
30 words
The material according to claim 1, wherein at least one m and n represents zero and at least one of R 3 and R 4 represents an electron attractive group.
Claim 16
Dependent Claim
30 words
The material according to claim 1, wherein both of m and n is not zero and at least one of R 3 and R 4 represents an electron attractive group.
Claim 17
Dependent Claim
20 words
The material according to claim 14, wherein the ap value of said electron attractive group is not less than zero.
Claim 18
Dependent Claim
20 words
The material according to claim 15, wherein the ap value of said electron attractive group is not less than zero.
Claim 19
Dependent Claim
25 words
The material according to claim 1, wherein the amount of said coupler is from 1 x10 -4 to 5 mol% to the total silver coverage.
Claim 20
Dependent Claim
25 words
The material according to claim 1, wherein the amount of said coupler is from 1 x10 -3 to 1 mol% to the total silver coverage.
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