EP0200206A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Silver halide photographic light-sensitive material
Assignee: Konica Minolta Inc
•
Filing: 1986-04-29
•
Granted: —
•
Expires: 2006-04-29
Abstract
Abstract A silver halide photographic light-sensitive material comprising negative type silver halide grains of core-shell structure with an inner core of silver bromide or iodobromide, an outermost shell containing 0 to 10 mol % of silver iodide, a high iodide-containing shell provided inside said outermost shell and an intermediate shell of which a silver iodide content is at least 3 mol % higher than that of said outermost shell, and at least 3 mol % lower than than of said highly iodide-containing shell, the material also comprising a magenta coupler of formula wherein Z forms a nitrogen-containing heterocyclic ring optionally substituted, X represents hydrogen, halogen or monovalent group which is capable of being released from the coupler residue and R represents a hydrogen atom, a halogen atom or a monovalent group.
Inventors
- 👤 Toshifumi Iijima
- 👤 Kenji Kumashiro
- 👤 Shoji Matsuzaka
- 👤 Hiroshi Kashiwagi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 17:37
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/36; G03C7/38; G03C7/381; G03C7/382; G03C7/3825; G03C1/00; G03C1/005; G03C1/035; G03C7/3022
Claims Analysis
Total Claims: 34
Claim 1
Independent Claim
218 words
A silver halide photographic light-sensitive having at least one silver halide emulsion layer, wherein said silver halide emulsion layer comprises a magenta coupler represented by the general formula [I] and a negative type silver halide grains of a core-shell structure which consists of an inner core essentially consisting of silver bromide or silver iodobromide and a plurality of shells essentially consisting of silver oromide or silver iodobromide, said plurality of shells comprising an outermost shell containing 0 to 10 mol% of silver iodide, a high iodide-containing shell provided inside said outermost shell of which silver iodide content is at least 6 mol% higher than that of said outermost shell, and an intermediate shell provided between said outermost shell and said high iodide-containing shell of which a silver iodide content is at least 3 mol% higher than that of said outermost shell, and at least 3 mol% lower than that of said highly iodide-containing shell: (wherein, Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent, X represents a hydrogen atom, nalogen atom or monovalent group which is, upon reaction with an oxydation product of a color developing agent, capable of being released from the coupler residue and R represents a hydrogen atom, a halogen atom or a monovalent group.).
Claim 2
Dependent Claim
218 words
A silver halide photographic light-sensitive having at least one silver halide emulsion layer, wherein said silver halide emulsion layer comprises a magenta coupler represented by the general formula [I] and a negative type silver halide grains of a core-shell structure which consists of an inner core essentially consisting of silver bromide or silver iodobromide and a plurality of shells essentially consisting of silver oromide or silver iodobromide, said plurality of shells comprising an outermost shell containing 0 to 10 mol% of silver iodide, a high iodide-containing shell provided inside said outermost shell of which silver iodide content is at least 6 mol% higher than that of said outermost shell, and an intermediate shell provided between said outermost shell and said high iodide-containing shell of which a silver iodide content is at least 3 mol% higher than that of said outermost shell, and at least 3 mol% lower than that of said highly iodide-containing shell: (wherein, Z represents a group of non-metallic atoms necessary to complete a nitrogen-containing heterocyclic ring which may have a substituent, X represents a hydrogen atom, nalogen atom or monovalent group which is, upon reaction with an oxydation product of a color developing agent, capable of being released from the coupler residue and R represents a hydrogen atom, a halogen atom or a monovalent group.).
Claim 3
Dependent Claim
136 words
The silver halide photographic light-sensitive material of claim 1, wherein said R represents a hydrogen atom, a halogen atom or a monovalent group selected from the group consisting, an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, a sulfinyl group, a carbamoyl group, a sulfamoyl group, a cyano group, a residue of a spyro compounds, a residue of bridged hydrocarbons, an alkoxy group, an aryloxy group, an heterocycloxy group, a siloxy group, an acyloxy group, a carbamoyloxy group, an amino group, an acylamino group, a sulfonamido group, an imido group, an ureido group, a sulfamoylamino group, an alxoxycarbonylamino group, an aryloxycarbonylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylthio group, an arylthio group, and a heterocyclic group.
Claim 4
Dependent Claim
37 words
The silver halide photographic light-sensitive material of claim 1, wherein said magenta coupler is represented by the general formula [XII]: (wherein, Z 3 , X, R respectively represent the same atoms or groups as in Formula [I].).
Claim 5
Dependent Claim
46 words
The silver nalide photographic light-sensitive material of claim 3, wherein said magenta coupler is represented oy the general formula [VI]: (wherein, R, R 11 are independently selected from the same atoms or groups of R in formula [I], and X is the same in formula [I].).
Claim 6
Dependent Claim
147 words
Tne silver halide photographic light-sensitive material of claim 2, 3 or 4, wherein R is represented oy the general formula [XIII]: (wherein, R 10 represents a hydrogen atom or a monovalent group selected from the group consisting a halogen atom, an alkyl group, a cycloalkyl group, an alkenyl group, a cycloalkenyl group, an alkynyl group, an aryl group, a heterocyclic group, an acyl group, a sulfonyl group, a sulfinyl group, a carbamoyl group, a sulfamoyl group, a cyano group, a resudue of a spyro compounds a residue of bridged hydrocarbons, an alkoxy group, an aryloxy group, an heterocycloxy group, a siloxy group, an acyloxy group, a carbamoyloxy group, an amino group, an acylamino group, a sulfonamido group, an imido group, an ureido group, a sulfamoylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, an alkoxycarbonyl group, an aryloxycarbonyl group, an alkylthio group, arylthio group, and a heterocyclic group).
Claim 7
Dependent Claim
21 words
The silver halide photographic light-sensitive material of claim 5, wherein said R 19 is a hydrogen atom or an alkyl group.
Claim 8
Dependent Claim
28 words
The silver halide photographic light-sensitive material of claim 1, wherein the silver iodide content of said high iodide containing-shell is within the range of 6 to 40 mol%.
Claim 9
Dependent Claim
28 words
The silver halide photographic light-sensitive material of claim 7, wherein the silver iodide content of said high iodide containing-shell is within the range of 10 to 40 mol%.
Claim 10
Dependent Claim
27 words
The silver halide photographic light-sensitive material of claim 1, wherein the silver iodide content of said outermost shell is within the range of 0 to 5 mol%.
Claim 11
Dependent Claim
27 words
The silver halide photographic light-sensitive material of claim 9, wherein the silver iodide content of said outermost shell is within tne range of 0 to 2 mol%.
Claim 12
Dependent Claim
29 words
1 1. The silver halide photographic light-sensitive material of claim 10, wherein the silver iodide content of said outermost shell is within the range of 0 to 1 mol%.
Claim 13
Dependent Claim
34 words
The silver halide photographic light-sensitive material of claim 1, wherein the difference of the silver iodide content between said intermediate shell and aid outermost shell is within the range of 4 to 35 mol%.
Claim 14
Dependent Claim
34 words
Tne silver halide photographic light-sensitive material of claim 1, wherein the difference of the silver iodide content between said high iodide-containing shell and said intermediate snellis within the range of 4 to 35 mol%.
Claim 15
Dependent Claim
31 words
The silver halide photographic light-sensitive material of claim 1, wherein the difference of the silver iodide content between said high iodide-containing snell and outermost shell is not less than 8 mol%.
Claim 16
Dependent Claim
31 words
The silver halide photographic light-sensitive material of claim 14, wherein the difference of the silver iodide content between said high iodide-containing shell and outermost shell is not less than 10 mol%.
Claim 17
Dependent Claim
28 words
1 6. The silver halide photographic light-sensitive material of claim 1, wherein silver iodide content of said inner core is within the range of 0 to 40 mol%.
Claim 18
Dependent Claim
26 words
The silver halide photographic light-sensitive material of claim 16, wherein silver iodide content of said inner core is within the range of 0 to 10 mol%.
Claim 19
Dependent Claim
28 words
1 8. The silver halide photographic light-sensitive material of claim 17, wherein silver iodide content of said inner core is within the range of 0 to 6 mol%.
Claim 20
Dependent Claim
33 words
The silver halide photographic light-sensitive material of claim 1, wherein a volume of said outermost shell is within the range of 4 to 70% of a whole volume of said silver halide grain.
Claim 21
Dependent Claim
33 words
The silver halide photographic light-sensitive material of claim 19, wherein the volume of said outermost shell is within the range of 10 to 50% of the whole volume of said silver halide grain.
Claim 22
Dependent Claim
34 words
The silver halide photographic light-sensitive material of claim 1, wherein a volume of said high iodide-containing shell is within the range of 10 to 80% of the whole volume of said silver halide grain.
Claim 23
Dependent Claim
34 words
The silver halide photographic lignt-sensitive material of claim 21, wherein the volume of said hign iodide-containing shell is within the range of 20 to 50% of the wnole volume of said silver halide grain.
Claim 24
Dependent Claim
34 words
The silver halide photographic light-sensitive material of claim 22, wherein the volume of said high iodide-containing shell is within the range of 20 to 45% of the whole volume of said silver halide grain.
Claim 25
Dependent Claim
33 words
The silver halide photographic light-sensitive material of claim 1, wherein a volume of said intermediate shell is within the range of 5 to 60% of the whole volume of said silver halide grain.
Claim 26
Dependent Claim
33 words
The silver halide photographic light-sensitive material of claim 24, wherein the volume of said intermediate shell is within the range of 20 to 55% of the whole volume of said silver halide grain.
Claim 27
Dependent Claim
24 words
The silver halide photographic light-sensitive material of claim 1, wherein a size of said inner core is within the range of 0.05 to 0.8gm.
Claim 28
Dependent Claim
24 words
The silver halide photographic light-sensitive material of claim 26, wherein the size of said inner core is within the range of 0.05 to 0.4µm.
Claim 29
Dependent Claim
30 words
Tne silver halide photographic light-sensitive material of claim 1, wherein a whole content of silver iodide of said silver halide grain is within the range of 1 to 20 mol%.
Claim 30
Dependent Claim
30 words
The silver halide photographic light-sensitive material of claim 28, wherein the whole content of silver iodide of said silver halide grain is within the range of 1 to 15 mol%.
Claim 31
Dependent Claim
30 words
The silver halide photographic light-sensitive material of claim 29, wherein the whole content of silver iodide of said silver halide grain is within the range of 2 to 12 mol%.
Claim 32
Dependent Claim
19 words
The silver halide photographic light-sensitive material of claim 1, wherein said silver halide grains are in a monodispersed state.
Claim 33
Dependent Claim
33 words
The silver halide photographic light-sensitive material of claim 31, wherein a variation coefficient representing a dispersed state of said silver halide grains, which is defined the equation [A], is not more than 20%:
Claim 34
Dependent Claim
18 words
The silver halide photographic light-sensitive material of claim 32, wherein satd variation coefficient is not more than 15%.
References Cited (Backward Citations)
US1574944A
Cited
US2193015A
Cited
US2278947A
Cited
US2399083A
Cited
US2419974A
Cited
US2410689A
Cited
US2448060A
Cited
GB618061A
Cited
US2592250A
Cited
US2592364A
Cited
US2487850A
Cited
US2518698A
Cited
US2694637A
Cited
US2681294A
Cited
US2728668A
Cited
US2688545A
Cited
US2761791A
Cited
US2983609A
Cited
US2912329A
Cited
US2983610A
Cited
US3042520A
Cited
US3241966A
Cited
US3118766A
Cited
JPS5322408A
Cited
US3312553A
Cited
GB1033189A
Cited
US3397060A
Cited
US3526528A
Cited
US3628964A
Cited
GB1242588A
Cited
GB1195320A
Cited
JPS4836890B1
Cited
GB1252413A
Cited
US3615635A
Cited
US3632373A
Cited
DE2030326A1
Cited
GB1293862A
Cited
US3656955A
Cited
US4054458A
Cited
DE2121780A1
Cited
JPS5216364B1
Cited
US3758308A
Cited
JPS4864933A
Cited
JPS5010135A
Cited
US3930867A
Cited
JPS50120334A
Cited
JPS50130441A
Cited
JPS512417A
Cited
JPS5117436A
Cited
JPS5211927A
Cited
US4075020A
Cited
US4032928A
Cited
JPS5365732A
Cited
US4067740A
Cited
JPS53105226A
Cited
JPS5448521A
Cited
JPS5448237A
Cited
GB1535016A
Cited
JPS5565957A
Cited
JPS55127549A
Cited
JPS55158124A
Cited
JPS5612643A
Cited
DE2932650A1
Cited
JPS5627147A
Cited
JPS5792523A
Cited
JPS5792524A
Cited
JPS5814829A
Cited
JPS5842045A
Cited
JPS58113927A
Cited
JPS58181037A
Cited
JPS5999437A
Cited
JPS59116647A
Cited
JPS6035726A
Cited
JPS60143331A
Cited
JPS60143332A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.