US4500636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1984-01-27
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Granted: 1985-02-19
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Expires: 2004-01-27
Abstract
Abstract A silver halide photographic light-sensitive material which comprises a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent, said blocked photographic agent being represented by the following general formula (I): <IMAGE> (I) wherein A represents a photographic agent moiety which is attached to a blocking moiety through a hetero atom; Z represents a divalent linkage group; p represents 0 or 1; X and Y each represents a substituent: m represents an integer of 0 to 4: and n represents an integer of 0 to 5.
Inventors
- 👤 Mitsunori Ono
- 👤 Isamu Itoh
- 👤 Keiji Mihayashi
- 👤 Yukio Karino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:47
CPC Classifications
C; C07; C07D; C07D405/00; C07D405/02; C07D405/12; G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C7/00; G03C7/30; G03C7/305; G03C7/30511; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/158; Y10S430/159; Y10S430/16; Y10S430/161
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
174 words
A silver halide photographic light-sensitive material which comprises a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent, said blocked photographic agent being represented by the following general formula (I): ##STR47## wherein A represents a photographic agent moiety which is attached to a blocking moiety through a hetero atom; Z represents a divalent linkage group; p represents 0 or 1; X and Y each represents a halogen atom, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an aryloxy group, an acyloxy group, a carboxylic acid ester group, an amino group, a carbonamido group, a sulfonamido group, an ureido group, an aminosulfonamido group, a carbamate group, a carboxy group, an alkoxycarbonyl group, an aryloxycarbonyl, a carbamoyl group, an acyl group, a sulfo group, an alkylsulfonyl group, an arylsulfonyl group, a sulfamoyl group, a cyano group or a nitro group, and they may be the same as or different from each other; m represents an integer of 0 to 4; and n represents an integer of 0 to 5.
Claim 2
Dependent Claim
174 words
A silver halide photographic light-sensitive material which comprises a light-sensitive silver halide emulsion layer having associated therewith a blocked photographic agent, said blocked photographic agent being represented by the following general formula (I): ##STR47## wherein A represents a photographic agent moiety which is attached to a blocking moiety through a hetero atom; Z represents a divalent linkage group; p represents 0 or 1; X and Y each represents a halogen atom, an alkyl group, an alkenyl group, an aryl group, an alkoxy group, an aryloxy group, an acyloxy group, a carboxylic acid ester group, an amino group, a carbonamido group, a sulfonamido group, an ureido group, an aminosulfonamido group, a carbamate group, a carboxy group, an alkoxycarbonyl group, an aryloxycarbonyl, a carbamoyl group, an acyl group, a sulfo group, an alkylsulfonyl group, an arylsulfonyl group, a sulfamoyl group, a cyano group or a nitro group, and they may be the same as or different from each other; m represents an integer of 0 to 4; and n represents an integer of 0 to 5.
Claim 3
Dependent Claim
48 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said photographic agent is selected from the group consisting of an antifoggant, a development restrainer, a developing agent, an auxiliary developer, a fogging agent, a silver halide solvent, a bleach accelerating agent and a dye.
Claim 4
Dependent Claim
30 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said photographic agent is selected from the group consisting of mercaptotetrazoles, mercaptotriazoles, mercatopyrimidines, mercaptobenzimidazoles, mercaptothiadiazoles, benzotriazoles and indazoles.
Claim 5
Dependent Claim
27 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said photographic agent is selected from the group consisting of p-phenylenediamines, hydroquinones, p-aminophenols and pyrazolidones.
Claim 6
Dependent Claim
25 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said photographic agent is selected from a group consisting of hydrazines and hydrazides.
Claim 7
Dependent Claim
28 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said photographic agent is an agent selected from the group consisting azo dyes and azomethine dyes.
Claim 8
Dependent Claim
26 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein p of said blocked photographic agent represented by the general formula (I) is 0.
Claim 9
Dependent Claim
28 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein A of said blocked photographic agent represented by the general formula (I) is a phenyltetrazolylthio group.
Claim 10
Dependent Claim
72 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said material is a diffusion transfer silver halide photographic light-sensitive material comprising (1) a light-sensitive element comprising a support having thereon said light-sensitive silver halide emulsion layer having associated therewith a dye image-providing material, and (2) an image receiving element wherein a diffusible dye produced in an imagewise manner from said dye image-providing material is fixed to form an image.
Claim 11
Dependent Claim
26 words
A silver halide photographic light-sensitive material as claimed in claim 9, which has at least one hydrophilic colloidal layer other than said silver halide emulsion layer.
Claim 12
Dependent Claim
30 words
A silver halide photographic light-sensitive material as claimed in claim 9, which contains an alkaline processing composition with which the light-sensitive silver halide emulsion which is imagewise exposed is developable.
Claim 13
Dependent Claim
23 words
A silver halide photographic light-sensitive material as claimed in claim 11, which further has a neutralizing function for neutralizing said alkaline processing composition.
Claim 14
Dependent Claim
114 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said material is a color diffusion transfer silver halide photographic light-sensitive material comprising (1) a light-sensitive sheet comprising a transparent support having thereon (i) an image receiving element which enables fixation of diffusible dyes to form an image, (ii) a light-reflecting white layer, (iii) a light intercepting layer, and (iv) at least one silver halide emulsion layer having associated therewith a dye image-providing material, (2) an alkaline processing composition which enables the development of said light-sensitive element after imagewise exposure, and (3) a cover sheet comprising a support having thereon a layer having a neutralizing function for neutralizing said alkaline processing composition.
Claim 15
Dependent Claim
26 words
A silver halide photographic light-sensitive material as claimed in claim 13, wherein said cover sheet contains the blocked photographic agent represented by the general formula (I).
Claim 16
Dependent Claim
25 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said silver halide emulsion is an internal latent image type direct positive emulsion.
Claim 17
Dependent Claim
43 words
A silver halide photographic light-sensitive material as claimed in claim 1, wherein said dye image-providing material is a DRR compound and that, the silver halide emulsion to be associated with said dye image-providing material is an internal latent image type direct positive emulsion.
Claim 18
Dependent Claim
50 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is an antifoggant and the blocked photographic agent is contained in the photographic material in an amount of 10 -8 to 10 -1 mole per mole of silver in the silver halide emulsion.
Claim 19
Dependent Claim
51 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a development restrainer and the blocked photographic agent is contained in the photographic material in an amount of 10 -8 to 10 -1 mole per mole of silver in the silver halide emulsion.
Claim 20
Dependent Claim
50 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a developing agent and the blocked photographic agent is contained in the photographic material in an amount of 10 -2 to 10 mole per mole of silver in the silver halide emulsion.
Claim 21
Dependent Claim
54 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is an auxiliary developer of a pyrazolidone type and the blocked photographic agent is contained in the photographic material in an amount of 10 -4 to 10 mole per mole of silver in the silver halide emulsion.
Claim 22
Dependent Claim
51 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a fogging agent and the blocked photographic agent is contained in the photographic material in an amount of 10 -2 to 10 -6 mole per mole of silver in the silver halide emulsion.
Claim 23
Dependent Claim
51 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a silver halide solvent and the blocked photographic agent is contained in the photographic material in an amount of 10 -3 to 10 mole per mole of silver in the silver halide emulsion.
Claim 24
Dependent Claim
52 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a bleach accelerating agent and the blocked photographic agent is contained in the photographic material in an amount of 10 -5 to 10 -1 mole per mole of silver in the silver halide emulsion.
Claim 25
Dependent Claim
45 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a dye and the blocked photographic agent is contained in an amount of 10 -3 to 1 mole per mole of silver in the silver halide emulsion.
Claim 26
Dependent Claim
51 words
A silver halide photographic light sensitive material as claimed in claim 1, wherein said blocked photographic agent is a cooling material for color diffusion transfer photography and the blocked photographic agent is contained in an amount of 10 -3 to 1 mole per mole of silver in the silver halide emulsion.
References Cited (Backward Citations)
US4124592A
Cited
US3779753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-02-19 | 1988-08-20 | 1989-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-19 | 1992-08-20 | 1993-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-19 | 1996-08-20 | 1997-02-19 | $7700.00 | Window Closed / Lapsed |