Patent US4255511A successfully refreshed from Google Patents.
US4255511A
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Direct positive silver halide light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1979-04-04
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Granted: 1981-03-10
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Expires: 1999-04-04
Abstract
Abstract A direct positive light-sensitive silver halide photographic material comprising a support having thereon a layer containing a compound represented by the formula (I): ##STR1## wherein R 1 represents an aliphatic residue or an aromatic residue; R 2 represents a hydrogen atom, an aliphatic residue, or an aromatic residue; X 1 and X 2 , which may be the same or different, each represents a divalent aromatic residue; and Y represents --R--, --O--R or --S--R-- wherein R represents a divalent aliphatic residue and the O or S is bonded to X 1 . The compound is particularly effective in combination with a diffusible dye releasing dye image providing compound having an o-hydroxyarylsulfamoyl group.
Inventors
- 👤 Shigeo Hirano
- 👤 Keiichi Adachi
- 👤 Nobuyuki Tsujino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:58
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/485; G03C1/48538; G03C1/48546; G03C1/48561
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
131 words
A direct positive silver halide photographic light-sensitive material comprising a support having coated thereon an unfogged internal latent image light-sensitive silver halide photographic emulsion layer and a hydrophilic colloid layer contiguous to said emulsion layer, at least one of said layers containing a compound represented by the formula (1) ##STR32## wherein R 1 represents an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; R 2 represents a hydrogen atom, an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; X 1 and X 2 , which may be the same or different, each represents a phenylene group or naphthylene group; and Y represents --R--, --O--R-- or --S--R-- wherein R represents an alkylene group and the O or S is bonded to X 1 .
Claim 2
Dependent Claim
131 words
A direct positive silver halide photographic light-sensitive material comprising a support having coated thereon an unfogged internal latent image light-sensitive silver halide photographic emulsion layer and a hydrophilic colloid layer contiguous to said emulsion layer, at least one of said layers containing a compound represented by the formula (1) ##STR32## wherein R 1 represents an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; R 2 represents a hydrogen atom, an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; X 1 and X 2 , which may be the same or different, each represents a phenylene group or naphthylene group; and Y represents --R--, --O--R-- or --S--R-- wherein R represents an alkylene group and the O or S is bonded to X 1 .
Claim 3
Dependent Claim
28 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said light-sensitive silver halide photographic emulsion layer is associated with a diffusible dye releasing dye image.
Claim 4
Dependent Claim
40 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in an amount which gives a suitable maximum density when the light-sensitive material is developed by a surface developing solution.
Claim 5
Dependent Claim
35 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in an amount of about 0.1 mg to 1,000 mg per mol of silver halide.
Claim 6
Dependent Claim
34 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is present in an amount of 0.5 mg to 700 mg per mol of silver halide.
Claim 7
Dependent Claim
25 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer is sensitized to red, green or blue light.
Claim 8
Dependent Claim
49 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said silver halide emulsion layer contains a sensitizing dye selected from the group consisting of cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, styryl dyes, hemicyanine dyes, oxonol dyes and hemioxonol dyes.
Claim 9
Dependent Claim
32 words
The direct positive silver halide photographic light-sensitive material of claim 7, wherein said dye is present in an amount of 1.0×10 -5 to about 5×10 -4 mol per mol fo silver halide.
Claim 10
Dependent Claim
29 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein R 1 and R 2 in the formula (I) are an alkyl group or an alkenyl group.
Claim 11
Dependent Claim
38 words
The direct positive silver halide photographic light-sensitive material of claim 9, wherein R 1 and R 2 are an unsubstituted alkyl group or an alkyl group substituted with an alkoxy group, a halogen atom or an aryl group.
Claim 12
Dependent Claim
42 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein R 1 and R 2 are a phenyl group, a naphthyl group, or a phenyl or naphthyl group substituted with an alkyl group, an alkoxy group or a halogen atom.
Claim 13
Dependent Claim
37 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein X 1 and X 2 are a phenylene group, a naphthylene group or a phenylene group substituted with an alkyl group or a halogen atom.
Claim 14
Dependent Claim
21 words
The direct positive silver halide photographic light-sensitive material of claim 12, wherein X 1 and X 2 are a phenylene group.
Claim 15
Dependent Claim
44 words
The direct positive silver halide photographic light-sensitive material of claim 13, wherein the ##STR33## group is connected to the ##STR34## group at the meta or para position and the ##STR35## group is connected with the ##STR36## group at the meta or para position thereof.
Claim 16
Dependent Claim
32 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein the said light-sensitive silver halide photographic emulsion layer or adjacent hydrophilic colloid layer contains a diffusible dye-releasing dye image-providing material.
Claim 17
Dependent Claim
21 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein R contains a double bond or a triple bond.
Claim 18
Dependent Claim
32 words
The direct positive silver halide photographic light-sensitive material of claim 1, wherein said compound of the formula (I) is incorporated in said unfogged internal latent image light-sensitive silver halide photographic emulsion layer.
Claim 19
Dependent Claim
145 words
In a light-sensitive material for the diffusion transfer process comprising a light-sensitive element, an image receiving element and a processing element, the improvement which comprises: said light-sensitive element comprising a direct positive unfogged internal latent image light-sensitive silver halide emulsion layer and a hydrophilic colloid layer contiguous to said emulsion layer, at least one of said layers containing a compound represented by the formula (I): ##STR37## wherein R 1 represents an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; R 2 represents a hydrogen atom, an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; X 1 and X 1 , which may be the same or different, each represents a phenylene group or naphthylene group; and Y represents --R--, --O--R-- or --S--R-- wherein R represents an alkylene group and the O or S is bonded to X.
Claim 20
Dependent Claim
145 words
In a light-sensitive material for the diffusion transfer process comprising a light-sensitive element, an image receiving element and a processing element, the improvement which comprises: said light-sensitive element comprising a direct positive unfogged internal latent image light-sensitive silver halide emulsion layer and a hydrophilic colloid layer contiguous to said emulsion layer, at least one of said layers containing a compound represented by the formula (I): ##STR37## wherein R 1 represents an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; R 2 represents a hydrogen atom, an alkyl group, an alkenyl group, a phenylene group or a naphthyl group; X 1 and X 1 , which may be the same or different, each represents a phenylene group or naphthylene group; and Y represents --R--, --O--R-- or --S--R-- wherein R represents an alkylene group and the O or S is bonded to X.
Claim 21
Dependent Claim
26 words
The light-sensitive material of claim 18, wherein said silver halide emulsion layer is associated with a dye releasing dye image providing material having an o-hydroxyarylsulfamoyl group.
Claim 22
Dependent Claim
27 words
The light-sensitive material of claim 18, wherein said diffusible dye releasing dye image providing material is a dye releasing redox compound or a diffusible dye releasing coupler.
Claim 23
Dependent Claim
35 words
The light-sensitive material of claim 18, wherein said compound of the formula (I) is present in an amount which gives a suitable maximum density when the light-sensitive material is developed by a surface developing solution.
Claim 24
Dependent Claim
30 words
The light-sensitive material of claim 18, wherein said compound of the formula (I) is present in an amount of about 0.1 mg to 1,000 mg per mol of silver halide.
Claim 25
Dependent Claim
29 words
The light-sensitive material of claim 18, wherein said compound of the formula (I) is present in an amount of 0.5 mg to 700 mg per mol of silver halide.
Claim 26
Dependent Claim
20 words
The light-sensitive material of claim 18, wherein said silver halide emulsion layer is sensitized to red, green or blue light.
Claim 27
Dependent Claim
44 words
The light-sensitive material of claim 18, wherein said silver halide emulsion layer contains a sensitizing dye selected from the group consisting of cyanine dyes, merocyanine dyes, complex cyanine dyes, complex merocyanine dyes, holopolar cyanine dyes, styryl dyes, hemicyanine dyes, oxonol dyes and hemioxonol dyes.
Claim 28
Dependent Claim
27 words
The light-sensitive material of claim 25, wherein said dye is present in an amount of 1.0×10 -5 to about 5×10 -4 mol per mol of silver halide.
Claim 29
Dependent Claim
24 words
The light-sensitive material of claim 18, wherein R 1 and R 2 in the formula (I) are an alkyl group or an alkenyl group.
Claim 30
Dependent Claim
37 words
The light-sensitive material of claim 27, wherein the alkyl group for R 1 and R 2 is an unsubstituted alkyl group or an alkyl group substituted with an alkoxy group, a halogen atom or an aryl group.
Claim 31
Dependent Claim
37 words
The light-sensitive material of claim 18, wherein R 1 and R 2 are a phenyl group, a naphthyl group, or a phenyl or naphthyl group substituted with an alkyl group, an alkoxy group or a halogen atom.
Claim 32
Dependent Claim
32 words
The light-sensitive material of claim 18, wherein X 1 and X 2 are a phenylene group, a naphthylene group or a phenylene group substituted with an alkyl group or a halogen atom.
Claim 33
Dependent Claim
16 words
The light-sensitive material of claim 30, wherein X 1 and X 2 are a phenylene group.
Claim 34
Dependent Claim
39 words
The light-sensitive material of claim 31, wherein the ##STR38## group is connected to the ##STR39## group at the meta or para position, and the ##STR40## group is connected with the ##STR41## group at the meta or para position thereof.
Claim 35
Dependent Claim
16 words
The light-sensitive material of claim 18, wherein R contains a double bond or a triple bond.
Claim 36
Dependent Claim
42 words
The direct positive silver halide photographic material of claim 1, wherein said silver halide photographic emulsion layer is divided into a red sensitive silver halide emulsion layer, a green sensitive silver halide emulsion layer and a blue sensitive silver halide emulsion layer.
Claim 37
Dependent Claim
38 words
The light sensitive material of claim 18, wherein said silver halide emulsion layer is divided into a red sensitive silver halide emulsion layer, a green sensitive silver halide emulsion layer and a blue sensitive silver halide emulsion layer.
Claim 38
Dependent Claim
54 words
A direct positive silver halide photographic material of claim 34, wherein said red sensitive silver halide emulsion layer is associated with a cyan DRR compound, said green sensitive silver halide emulsion layer is associated with a magenta DRR compound and said blue sensitive silver halide emulsion layer is associated with a yellow DRR compound.
Claim 39
Dependent Claim
51 words
A light sensitive material of claim 35, wherein said red sensitive silver halide emulsion layer is associated with a cyan DRR compound, said green sensitive silver halide emulsion layer is associated with a magenta DRR compound and said blue sensitive silver halide emulsion layer is associated with a yellow DRR compound.
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) | 1984-03-09 | 1984-09-08 | 1985-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-09 | 1988-09-08 | 1989-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-09 | 1992-09-08 | 1993-03-10 | $7700.00 | Window Closed / Lapsed |