Patent US4621929A successfully refreshed from Google Patents.
US4029503A
Expired / Lapsed
US
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Diffusible-dye releasing type dyes which couple to form colorless products
Assignee: Konica Minolta Inc
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Filing: 1975-05-07
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Granted: 1977-06-14
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Expires: 1995-05-07
Abstract
Abstract A diffusible-dye releasing type dye consisting of a radical which reacts with an oxidation product of a color developing principal agent in a color development process to yield a substantially colorless compound and a dye residue carrying water-soluble radicals. Its photographic uses are also disclosed.
Inventors
- 👤 Mitsuto Fujiwhara
- 👤 Ryosuke Sato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:28
CPC Classifications
C; C07; C07D; C07D257/00; C07D257/02; C07D257/04; C07D211/00; C07D211/04; C07D211/68; C07D211/72; C07D211/74; C07D231/00; C07D231/02; C07D231/10; C07D231/14; C07D231/44; C07D231/46; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/26; C09B1/32; C09B1/34; C09B1/343; G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/10; Y; Y10; Y10S; Y10S430/00; Y10S430/156; Y10S430/159
Claims Analysis
Total Claims: 28
Claim 1
Independent Claim
359 words
In a diffusion transfer process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a diffusible dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and transferring the dye image from the photosensitive material to an image receiving layer superposed on the photosensitive material at least during the development whereby the dye image corresponding to the imagewise exposure is obtained in the image receiving layer, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye having the formula: ##STR5## in which D represents a dye residue carrying a water-soluble radical; Y represents hydrogen, halogen, an alkyl radical, an aryl radical, a heterocyclic radical, --O-R.sub. 1 or --COOR 3 ; R 1 is an alkyl radical, an aryl radical, a heterocyclic radical, an acyl radical or --SO 2 -R 2 ; R 2 is an alkyl, aryl or heterocyclic radical; R 3 is an alkyl radical; R represents --CO-RA 4 , ##STR6## --SO 2 -R 5 , --SO-R.sub. 5, --CN or --N(R 6 ) 3 ; R 4 is hydrogen, hydroxyl, --R O , --OR O , --N(R O ) 2 , --NH 2 or --NHR O ; R 5 is hydrogen, --R O , --OR O or --N(R O ) 2 ; R 6 is hydrogen or --R O ; and R O is an aliphatic, aryl or heterocyclic radical, and when two or more R O s are present in one radical, two of said R O s can form together a nitrogen-containing heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 2
Dependent Claim
359 words
In a diffusion transfer process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a diffusible dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and transferring the dye image from the photosensitive material to an image receiving layer superposed on the photosensitive material at least during the development whereby the dye image corresponding to the imagewise exposure is obtained in the image receiving layer, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye having the formula: ##STR5## in which D represents a dye residue carrying a water-soluble radical; Y represents hydrogen, halogen, an alkyl radical, an aryl radical, a heterocyclic radical, --O-R.sub. 1 or --COOR 3 ; R 1 is an alkyl radical, an aryl radical, a heterocyclic radical, an acyl radical or --SO 2 -R 2 ; R 2 is an alkyl, aryl or heterocyclic radical; R 3 is an alkyl radical; R represents --CO-RA 4 , ##STR6## --SO 2 -R 5 , --SO-R.sub. 5, --CN or --N(R 6 ) 3 ; R 4 is hydrogen, hydroxyl, --R O , --OR O , --N(R O ) 2 , --NH 2 or --NHR O ; R 5 is hydrogen, --R O , --OR O or --N(R O ) 2 ; R 6 is hydrogen or --R O ; and R O is an aliphatic, aryl or heterocyclic radical, and when two or more R O s are present in one radical, two of said R O s can form together a nitrogen-containing heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 3
Dependent Claim
33 words
A diffusion transfer process of claim 1, in which a molar ratio of the silver halide and the diffusible-dye releasing type dye ranges from about 1 : 0.07 to about 1 : 0.7.
Claim 4
Dependent Claim
32 words
A diffusion transfer process of claim 1, in which a molar ratio of the silver halide and the diffusible-dye releasing type dye ranges from about 1 : 0.1 to about 1: 0.4.
Claim 5
Dependent Claim
18 words
A diffusion transfer process of claim 1, wherein said dye is selected from the group consisting of ##STR7##
Claim 6
Dependent Claim
221 words
In a diffusion transfer process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; devloping the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a diffusible dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and transferring the dye image from the photosensitive material to an image receiving layer superposed on the photosensitive material at least during the development whereby the dye image corresponding to the imagewise exposure is obtained in the image receiving layer, the improvement with comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR8## in which D represents a dye residue carrying a water-soluble radical, and Z 1 represents a group consisting of atoms forming a 5-7 membered carbon-cyclic or heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 7
Dependent Claim
221 words
In a diffusion transfer process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; devloping the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a diffusible dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and transferring the dye image from the photosensitive material to an image receiving layer superposed on the photosensitive material at least during the development whereby the dye image corresponding to the imagewise exposure is obtained in the image receiving layer, the improvement with comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR8## in which D represents a dye residue carrying a water-soluble radical, and Z 1 represents a group consisting of atoms forming a 5-7 membered carbon-cyclic or heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 8
Dependent Claim
31 words
A diffusion transfer process of claim 5, in which a molar ratio of the silver halide and the diffusibledye releasing type dye ranges from about 1: 0.07 to about 1: 0.7.
Claim 9
Dependent Claim
32 words
A diffusion transfer process of claim 5, in which a molar ratio of the silver halide and the diffusible-dye releasing type dye ranges from about 1: 0.1 to about 1 : 0.4.
Claim 10
Dependent Claim
329 words
In a direct positive process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and bleaching and fixing the developed photsensitive material, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR9## in which D represents a dye residue carrying a water-soluble radical; Y represents hydrogen, halogen, an alkyl radical, an aryl radical, a heterocyclic radical, --O--R 1 or --COOR 3 ; R 1 is an alkyl radical, an aryl radical, a heterocyclic radical, an acyl radical or --SO 2 -R 2 ; R 2 is an alkyl, aryl or heterocyclic radical; R 3 is an alkyl radical; R represents --CO-R 4 , ##STR10## --SO 2 -R 5 , --SO-R 5 , --CN or --N (R 6 ) 3 ; R 4 is hydrogen, hydroxyl, --R O , --OR O , --N(R O ) 2 , --NH 2 or --NHR O ; R 5 is hydrogen, --R O , --OR O or --N(R O ) 2 ; R 6 is hydrogen or --R O ; and R O is an aliphatic, aryl or heterocyclic radical, and when two or more R O s are present in one radical, two of said R O s can form together a nitrogen-containing heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver haklide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 11
Dependent Claim
329 words
In a direct positive process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and bleaching and fixing the developed photsensitive material, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR9## in which D represents a dye residue carrying a water-soluble radical; Y represents hydrogen, halogen, an alkyl radical, an aryl radical, a heterocyclic radical, --O--R 1 or --COOR 3 ; R 1 is an alkyl radical, an aryl radical, a heterocyclic radical, an acyl radical or --SO 2 -R 2 ; R 2 is an alkyl, aryl or heterocyclic radical; R 3 is an alkyl radical; R represents --CO-R 4 , ##STR10## --SO 2 -R 5 , --SO-R 5 , --CN or --N (R 6 ) 3 ; R 4 is hydrogen, hydroxyl, --R O , --OR O , --N(R O ) 2 , --NH 2 or --NHR O ; R 5 is hydrogen, --R O , --OR O or --N(R O ) 2 ; R 6 is hydrogen or --R O ; and R O is an aliphatic, aryl or heterocyclic radical, and when two or more R O s are present in one radical, two of said R O s can form together a nitrogen-containing heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver haklide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 12
Dependent Claim
32 words
A direct positive process of claim 28, in which a molar ratio of the silver halide and the diffusible dye releasing type dye ranges from about 1: 0.07 to about 1: 0.7.
Claim 13
Dependent Claim
33 words
A direct positive process of claim 8, in which a molar ratio of the silver halide and the diffusible dye releasing type dye ranges from about 1 : 0.1 to about 1: 0.4.
Claim 14
Dependent Claim
18 words
A direct positive process of claim 8, wherein said dye is selected from the group consisting of ##STR11##
Claim 15
Dependent Claim
189 words
In a direct positive process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; the developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and bleaching and fixing the developed photosensitive material, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR12## in which D represents a dye residue carrying a water-soluble radical, and Z 1 represents a group consisting of atoms forming a 5-7 membered carbon-cyclic or heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 16
Dependent Claim
189 words
In a direct positive process which comprises imagewise exposing a photosensitive material comprising a support and a silver halide photosensitive layer thereon containing silver halide grains and further comprising a dye image forming substance therein; the developing the exposed photosensitive material in an aqueous developing solution in the presence of a color developing agent thereby to form a dye image corresponding to the imagewise exposure and derived from the dye image forming substance; and bleaching and fixing the developed photosensitive material, the improvement which comprises, as the dye image forming substance, a diffusible-dye releasing type dye represented by the formula: ##STR12## in which D represents a dye residue carrying a water-soluble radical, and Z 1 represents a group consisting of atoms forming a 5-7 membered carbon-cyclic or heterocyclic ring, the diffusible-dye releasing type dye per se being non-diffusible and capable of coupling with the color developing agent in the aqueous developing solution in the presence of the exposed silver halide to split off D in the formula whereby the dye image is produced from D so split off, and the compound produced upon splitting off D being substantially colorless.
Claim 17
Dependent Claim
34 words
A direct positive process of claim 12, in which a molar ratio of the silver halide and the diffusible dye releasing type dye ranges from about 1 : 0.07 to about 1 : 0.7.
Claim 18
Dependent Claim
33 words
A direct positive process of claim 12, in which a molar ratio of the silver halide and the diffusible dye releasing type dye ranges from about 1 : 0.1 to about 1: 0.4.
Claim 19
Dependent Claim
17 words
A diffusion transfer process of claim 1, in which the color developing agent is a p-phenylene diamine.
Claim 20
Dependent Claim
22 words
A diffusion transfer process of claim 1, in which the dye image forming substance is included in the silver halide photosensitive layer.
Claim 21
Dependent Claim
17 words
A diffusion transfer process of claim 5, in which the color developing agent is a p-phenylene diamine.
Claim 22
Dependent Claim
22 words
A diffusion transfer process of claim 5, in which the dye image forming substance is included in the silver halide photosensitive layer.
Claim 23
Dependent Claim
18 words
A diffusion transfer process of claim 5, wherein said dye is selected from the group consisting of: ##STR13##
Claim 24
Dependent Claim
17 words
A direct positive process of claim 8, in which the color developing agent is a p-phenylene diamine.
Claim 25
Dependent Claim
22 words
A direct positive process of claim 8, in which the dye image forming substance is included in the silver halide photosensitive layer.
Claim 26
Dependent Claim
17 words
A direct positive process of claim 12, in which the color developing agent is a p-phenylene diamine.
Claim 27
Dependent Claim
22 words
A direct positive process of claim 12, in which the dye image forming substance is included in the silver halide photosensitive layer.
Claim 28
Dependent Claim
18 words
A direct positive process of claim 12, wherein said dye is selected from the group consisting of: ##STR14##
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-06-13 | 1980-12-13 | 1981-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-13 | 1984-12-13 | 1985-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-13 | 1988-12-13 | 1989-06-14 | $7700.00 | Window Closed / Lapsed |