Patent US3709780A successfully refreshed from Google Patents.
Patent US4540658A successfully refreshed from Google Patents.
US4540658A
Expired / Lapsed
US
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Silver halide color photographic products
Assignee: Konica Minolta Inc
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Filing: 1983-06-24
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Granted: 1985-09-10
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Expires: 2003-06-24
Abstract
Abstract A silver halide color photographic product with dye images having improved fastness to light is disclosed. The product has at least one dye image forming layer on a support and further includes at least one of the compounds of formula (I) or (II) in said dye image forming layer and/or an adjoining or an adjacent layer: ##STR1## wherein R is an alkyl group, an aryl group or a heterocyclic group; X is an alkylene group; and Y is an alkylene or arylene group; and ##STR2## wherein R 1 is a hydrogen atom, an alkyl group or an aryl group; R 2 and R 3 are each an alkyl group; Y 1 is an alkylene or arylene group; Z is an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group or an alkylene group; and n is an integer of 1 to 20.
Inventors
- 👤 Masao Sasaki
- 👤 Kaoru Onodera
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:36
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39208; Y; Y10; Y10S; Y10S430/00; Y10S430/132
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
132 words
A silver halide color photographic product having at least one dye image forming layer on a support, which further contains at least one of the compounds of formula (I) or (II) in said dye image forming layer and/or an adjoining or an adjacent layer: ##STR19## wherein R is an alkyl group, an aryl group or a heterocyclic group; X is an alkylene group; and Y is an alkylene or arylene group; and ##STR20## wherein R 1 is a hydrogen atom, an alkyl group or an aryl group; R 2 and R 3 are each an alkyl group; Y 1 is an alkylene or arylene group; Z is an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group or an alkylene group; and n is an integer of 1 to 20.
Claim 2
Dependent Claim
132 words
A silver halide color photographic product having at least one dye image forming layer on a support, which further contains at least one of the compounds of formula (I) or (II) in said dye image forming layer and/or an adjoining or an adjacent layer: ##STR19## wherein R is an alkyl group, an aryl group or a heterocyclic group; X is an alkylene group; and Y is an alkylene or arylene group; and ##STR20## wherein R 1 is a hydrogen atom, an alkyl group or an aryl group; R 2 and R 3 are each an alkyl group; Y 1 is an alkylene or arylene group; Z is an oxygen atom, a sulfur atom, a sulfonyl group, a carbonyl group or an alkylene group; and n is an integer of 1 to 20.
Claim 3
Dependent Claim
30 words
A silver halide color photographic product according to claim 1, wherein said alkyl group represented by R in formula (I) is an alkyl group having 1 to 20 carbon atoms.
Claim 4
Dependent Claim
24 words
A silver halide color photographic product according to claim 1, wherein said aryl group represented by R in formula (I) is a phenyl group.
Claim 5
Dependent Claim
29 words
A silver halide color photographic product according to claim 3, wherein said phenyl group in formula (I) is substituted with an alkyl group having 1 to 5 carbon atoms.
Claim 6
Dependent Claim
30 words
A silver halide color photographic product according to claim 1, wherein said alkylene group represented by X in formula (I) is an alkylene group having 1 to 4 carbon atoms.
Claim 7
Dependent Claim
24 words
A silver halide color photographic product according to claim 1, wherein said arylene group represented by Y in formula (I) is a phenylene group.
Claim 8
Dependent Claim
31 words
A silver halide color photographic product according to claim 1, wherein said alkyl group represented by R 1 in formula (II) is an alkyl group having 1 to 6 carbon atoms.
Claim 9
Dependent Claim
25 words
A silver halide color photographic product according to claim 1, wherein said aryl group represented by R 1 in formula (II) is a phenyl group.
Claim 10
Dependent Claim
36 words
A silver halide color photographic product according to claim 1, wherein said alkyl group represented by each of R 2 and R 3 in formula (II) is an alkyl group having 1 to 6 carbon atoms.
Claim 11
Dependent Claim
31 words
A silver halide color photographic product according to claim 1, wherein said alkylene group represented by Y 1 in formula (II) is an alkylene group having 1 to 4 carbon atoms.
Claim 12
Dependent Claim
25 words
A silver halide color photographic product according to claim 1, wherein said arylene group represented by Y 1 in formula (II) is a phenylene group.
Claim 13
Dependent Claim
24 words
A silver halide color photographic product according to claim 1, wherein said Z in formula (II) is an oxygen atom or a sulfur atom.
Claim 14
Dependent Claim
30 words
A silver halide color photographic product according to claim 1, wherein said dye image forming layer and/or said adjoining or said adjacent layer contain a yellow or a cyan coupler.
Claim 15
Dependent Claim
54 words
A silver halide color photographic product according to claim 13, wherein said yellow coupler is one having formula (III): ##STR21## wherein R 4 is an alkyl group or an aryl group; R 5 is an aryl group; and Y 2 is a hydrogen atom or a group that is eliminated during color development reaction.
Claim 16
Dependent Claim
73 words
A silver halide color photographic product according to claim 13, wherein said cyan coupler is one having formula (V): ##STR22## wherein Y 2 is the same as defined in formula (III); and R 12 , R 13 , R 14 and R 15 are each a hydrogen atom, a halogen atom, an alkyl group, a carbamoyl group, a sulfamoyl group, an amide group, a sulfonamide group, a phosphamide group or a ureido group.
Claim 17
Dependent Claim
20 words
A silver halide color photographic product according to claim 1, wherein said n is an integer of 1 to 5.
Claim 18
Dependent Claim
29 words
A silver halide color photographic product according to claim 1, wherein said X and Y in formula (I) are each an alkylene group having 1 to 4 carbon atoms.
Claim 19
Dependent Claim
26 words
A silver halide color photographic product according to claim 1, wherein said R in formula (I) is an alkyl group having 1 to 20 carbon atoms.
Claim 20
Dependent Claim
20 words
A silver halide color photographic product according to claim 1, wherein said Z in formula (II) is a sulfur atom.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-09-09 | 1989-03-11 | 1989-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-09-09 | 1993-03-11 | 1993-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-09-09 | 1997-03-11 | 1997-09-10 | $7700.00 | Window Closed / Lapsed |