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US4659651A
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Silver halide photographic materials containing a blocked photographic reagent
Assignee: Fujifilm Holdings Corp
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Filing: 1985-07-11
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Granted: 1987-04-21
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Expires: 2005-07-11
Abstract
Abstract A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith at least one blocked photographic reagent represented by formula (I) or (II); ##STR1## wherein, A represents a moiety of a photographic reagent or a moiety of a precursor of a photographic reagent bonded to the ring containing Z through a hetero atom; Y 1 , and Y 2 and Y 3 each represents a hydrogen atom or a substituent, or Y 1 and Y 3 in formula (I) together form a ring; Z represents an atomic group necessary for forming a carbon ring or a heterocyclic ring; and n represents 1 or 2. The silver halide photographic material is stable under storage conditions.
Inventors
- 👤 Morio Yagihara
- 👤 Akihiko Ikegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:43
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; G03C1/00; G03C1/005; G03C1/06; G03C1/34; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/158; Y10S430/16; Y10S430/161
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
113 words
A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith at least one blocked photographic reagent represented by formula (I) or (II): ##STR11## wherein, A represents a moiety of a photographic reagent or a moiety of a precursor of a photographic reagent bonded to the ring containing Z through a hetero atom; Y 1 , Y 2 and Y 3 each represents a hydrogen atom or a substituent or Y 1 and Y 3 in formula (I) together form a ring; Z represents an atomic group necessary for forming a carbon ring or a heterocyclic ring; and n represents 1 or 2.
Claim 2
Dependent Claim
113 words
A silver halide photographic material comprising a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith at least one blocked photographic reagent represented by formula (I) or (II): ##STR11## wherein, A represents a moiety of a photographic reagent or a moiety of a precursor of a photographic reagent bonded to the ring containing Z through a hetero atom; Y 1 , Y 2 and Y 3 each represents a hydrogen atom or a substituent or Y 1 and Y 3 in formula (I) together form a ring; Z represents an atomic group necessary for forming a carbon ring or a heterocyclic ring; and n represents 1 or 2.
Claim 3
Dependent Claim
25 words
A silver halide photographic material as in claim 1, wherein said hetero atom is selected from a group consisting of S, O, N and P.
Claim 4
Dependent Claim
162 words
A silver halide photographic material as in claim 1, wherein said blocked photographic reagent is a compound represented by formula (I') or (II') ##STR12## wherein, B represents a moiety of a photographic reagent bonded to X through a hetero atom; X represents a divalent linkage group bonded through a hetero atom to the ring containing Z; m represents 0 or 1; Y 1 , Y 2 and Y 3 each represents a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyloxy group, a carbonic acid ester group, an amino group, a carbonamido group, a ureido group, a carboxy group, an oxycarbonyl group, a carbamoyl group, an acyl group, a sulfo group, a sulfonyl group, a sulfinyl group, a sulfamoyl group, a cyano group, or a nitro group; and Z represents an atomic group necessary for forming a carbocyclic ring or a heterocyclic ring.
Claim 5
Dependent Claim
58 words
A silver halide photographic material as in claim 2, wherein B is a moiety of a photographic reagent derived from an antifoggant, a development restrainer, a developing agent, an auxiliary developing agent, a fogging agent, a silver halide solvent, a bleach accelerator, a dye, and a photographic reagent having a redox function of releasing the above-described photographic reagent.
Claim 6
Dependent Claim
63 words
A silver halide photographic material as in claim 2, wherein said linkage group is selected from the group consisting of a linkage group releasing B by an intramolecular ring closing reaction, a linkage group releasing B by an intramolecular electron transfer, a linkage group releasing B with the elimination of carbon dioxide, and a linkage group releasing B with the elimination of formaldehyde.
Claim 7
Dependent Claim
24 words
A silver halide photographic material as in claim 2, wherein said divalent linkage represented by X is selected from the group consisting of ##STR13##
Claim 8
Dependent Claim
100 words
A silver halide photographic material as in claim 1, wherein said blocked photographic reagent is selected from the group consisting of compounds represented by formulae ##STR14## wherein Y 1 , Y 2 , Y 3 and A are defined as in formulae (I) and (II), and R represents a hydrogen atom, an alkyl group, an aryl group, an acyl group, an oxycarbonyl group, carbamoyl group, an sulfonyl group, and a sulfinyl group; and blocked photographic reagents having one or more substituents on the carbocyclic ring or the heterocyclic ring in addition to R, Y 1 and A in these formulae.
Claim 9
Dependent Claim
103 words
A silver halide photographic material as in claim 7, wherein said substituent on the carbocyclic ring or the heterocyclic ring is a substituent selected from the group consisting of a halogen atom, an alkyl group, aryl group, an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an acyl group, an acylamino group, a nitro group, a cyano group, an oxycarbonyl group, a hydroxy group, a carboxy group, a sulfo group, a ureido group, a sulfonamido group, a sulfamoyl group, a carbamoyl group an acyloxy group, an amino group, a carbonic acid ester group, a sulfonyl group, and a sulfinyl group.
Claim 10
Dependent Claim
59 words
A silver halide photographic material as in claim 1, wherein said blocked photographic reagent is incorporated in a silver halide emulsion layer a dye providing compound-containing layer, a subbing layer, a protective layer, an interlayer, a filter layer, an antihalation layer, an image-receiving layer, a coversheet layer. a white reflecting layer, a neutralizing layer, or a neutralization timing layer.
Claim 11
Dependent Claim
50 words
A silver halide photographic material as in claim 1, wherein the silver halide photographic material is a silver halide photographic printing material, a color photographic material in coupler system, a material for the system by silver dye blocking process, a black-and-white photographic material, or a color diffusion transfer photographic material.
Claim 12
Dependent Claim
47 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from an antifoggant or a development restrainer is contained in an amount of from 10 -8 to 10 -1 mole per mole of silver in the silver halide emulsion.
Claim 13
Dependent Claim
43 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a developing agent is contained in an amount of from 10 -2 to 10 moles per mole of silver in the silver halide emulsion.
Claim 14
Dependent Claim
46 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a pyrazolidone-series auxiliary developing agent is contained in an amount of from 10 -4 to 10 -6 mole per mole of silver in the silver halide emulsion.
Claim 15
Dependent Claim
44 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a fogging agent is contained in an amount of from 10 -2 to 10 -6 mole per mole of silver in the silver halide emulsion.
Claim 16
Dependent Claim
44 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a silver halide solvent is contained in an amount of from 10 -3 to 10 moles per mole of silver in the silver halide emulsion.
Claim 17
Dependent Claim
43 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a bleach accelerator is contained in an amount of from 10 -5 to 0.1 mole per mole of silver in the silver halide emulsion.
Claim 18
Dependent Claim
46 words
A silver halide photographic material as in claim 4, wherein the blocked photographic reagent having a moiety derived from a dye or a dye-providing compound is contained in an amount of from 10 -3 to 1 mole per mole of silver in the silver halide emulsion.
Claim 19
Dependent Claim
19 words
A silver halide photographic material as in claim 1, wherein said blocked photographic reagent is represented by formula (I).
Claim 20
Dependent Claim
19 words
A silver halide photographic material as in claim 1, wherein said blocked photographic reagent is represented by formula (II).
Claim 21
Dependent Claim
19 words
A silver halide photographic material as in claim 3, wherein said blocked photographic reagent is represented by formula (I').
Claim 22
Dependent Claim
19 words
A silver halide photographic material as in claim 3, wherein said blocked photographic reagent is represented by formula (II').
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1990-04-20 | 1990-10-20 | 1991-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-20 | 1994-10-20 | 1995-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-20 | 1998-10-20 | 1999-04-21 | $7700.00 | Window Closed / Lapsed |