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US4255509A
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Photographic light-sensitive sheet for the color diffusion transfer process
Assignee: Fujifilm Holdings Corp
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Filing: 1979-06-11
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Granted: 1981-03-10
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Expires: 1999-06-11
Abstract
Abstract A photographic light-sensitive sheet for the color diffusion transfer process which comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associated therewith a compound represented by the following general formula (1): ##STR1## wherein Q 1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO 2 NR 3 R 4 wherein R 3 represents a hydrogen atom, or an alkyl group, m represents 0 or 1, R 4 represents a hydrogen atom or R 4a wherein R 4a represents an alkyl group, an aralkyl group or a phenyl group, and R 3 and R 4 may combined directly or through an oxygen atom to form a ring; a group represented by the formula --SO 2 R 5 wherein R 5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR 6 wherein R 6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR 3 R 4 wherein R 3 and R 4 each has the same meaning as defined above; Q 2 is positioned at the 5- or the 8-position to the G group and represents a hydroxy group, a group represented by the formula --NHCOR 4a or a group represented by the formula --NHSO 2 R 4a wherein R 4a has the same meaning as defined above; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an alkoxy group; BG is a bridging group; Y represents a redox center which functions to release a diffusible dye as a result of self cleavage upon oxidation; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR2## wherein E represents an alkyl group or an aryl group. The compound is a dye image providing material which provides a magenta dye image having superior properties.
Inventors
- 👤 Shigetoshi Ono
- 👤 Tooru Harada
- 👤 Shinsaku Fujita
- 👤 Yoshinobu Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:06
CPC Classifications
C; C09; C09B; C09B29/00; C09B29/24; C09B29/28; C09B29/0003; G; G03; G03C; G03C8/00; G03C8/02; G03C8/08; G03C8/10
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
325 words
A photographic light-sensitive sheet for a color diffusion transfer process wherein said sheet contains a neutralizing layer containing unreacted acrylate or acrylic acid, and said sheet comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associate therewith a compound represented by the following general formula: ##STR55## wherein Q 1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO 2 NR 3 R 4 wherein R 3 represents a hydrogen atom or an alkyl group, R 4 represents a hydrogen atom or R 4a wherein R 4a represents an alkyl group, an aralkyl group or phenyl group, and R 3 and R 4 may combine directly or throught an oxygen atom to form a ring; a group represented by the formula --SO 2 R 5 wherein R 5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR 6 wherein R 6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR 3 R 4 wherein R 3 and R 4 each has the same meaning as defined above; Q 2 is positioned at the 5- or the 8-position to the G group and represents a hydroxy group, a group represented by the formula NHCOR 4a or a group represented by the formula --NHSO 2 R 4a wherein R 4a has the same meaning as defined above; R 1 and R 2 , which may be the same or different, each represents a methyl group, or a methoxy group; BG represents a bridging group; m represents 0 or 1; Y represents a redox center which functions to release a diffusible dye as a result of self cleavage upon oxidation, Y being ballasted; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR56## wherein E represents an alkyl group or an aryl group.
Claim 2
Dependent Claim
325 words
A photographic light-sensitive sheet for a color diffusion transfer process wherein said sheet contains a neutralizing layer containing unreacted acrylate or acrylic acid, and said sheet comprises a support having thereon at least one light-sensitive silver halide emulsion layer having associate therewith a compound represented by the following general formula: ##STR55## wherein Q 1 represents a hydrogen atom; a halogen atom; a sulfamoyl group represented by the formula --SO 2 NR 3 R 4 wherein R 3 represents a hydrogen atom or an alkyl group, R 4 represents a hydrogen atom or R 4a wherein R 4a represents an alkyl group, an aralkyl group or phenyl group, and R 3 and R 4 may combine directly or throught an oxygen atom to form a ring; a group represented by the formula --SO 2 R 5 wherein R 5 represents an alkyl group or an aralkyl group; a carboxy group; a group represented by the formula --COOR 6 wherein R 6 represents an alkyl group or a phenyl group; or a group represented by the formula --CONR 3 R 4 wherein R 3 and R 4 each has the same meaning as defined above; Q 2 is positioned at the 5- or the 8-position to the G group and represents a hydroxy group, a group represented by the formula NHCOR 4a or a group represented by the formula --NHSO 2 R 4a wherein R 4a has the same meaning as defined above; R 1 and R 2 , which may be the same or different, each represents a methyl group, or a methoxy group; BG represents a bridging group; m represents 0 or 1; Y represents a redox center which functions to release a diffusible dye as a result of self cleavage upon oxidation, Y being ballasted; and G represents a hydroxyl group, a salt thereof, or a hydrolyzable acyloxy group represented by the formula ##STR56## wherein E represents an alkyl group or an aryl group.
Claim 3
Dependent Claim
89 words
The light-sensitive sheet of claim 1, wherein said Y is a group represented by the following formula: ##STR57## wherein Ball represents a bailast group; T represents the carbon atoms necessary to complete a benzene ring, which may be unsubstituted or substituted, or a naphthalene ring, which may be unsubstituted or substituted; the --NHSO 2 -- group is present at the o- or p-position to the hydroxy group; and when T represents the atoms necessary to complete a naphthalene ring, Ball can be bonded to either of the two rings.
Claim 4
Dependent Claim
22 words
The light-sensitive sheet of claim 1, wherein said group represented by R 1 and R 2 has 1 to 6 carbon atoms.
Claim 5
Dependent Claim
38 words
The light-sensitive sheet of claim 1, wherein R 1 and R 2 , which may be the same or different, each represents a methyl group, an ethyl group, a methoxy group, an ethoxy group or a methoxyethoxy group.
Claim 6
Dependent Claim
63 words
The light-sensitive sheet of claim 1, wherein Q 1 is a sulfamoyl group represented by the formula --SO 2 NR 3 R 4 wherein R 3 is a hydrogen atom or an alkyl group having 1 to 8 carbon atoms, and R 4 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an aralkyl group, or a phenyl group.
Claim 7
Dependent Claim
18 words
The light-sensitive sheet of claim 5, wherein said R 3 and R 4 each represents a hydrogen atom.
Claim 8
Dependent Claim
39 words
The light-sensitive sheet of claim 5, wherein one of said R 3 and R 4 represents a hydrogen atom and the other of said R 3 and R 4 represents an alkyl group having 1 to 4 carbon atoms.
Claim 9
Dependent Claim
11 words
The light-sensitive sheet of claim 1, wherein said m is 0.
Claim 10
Dependent Claim
131 words
The light-sensitive sheet of claim 1 wherein said bridging group BG is represented by the formula ##STR58## m and q each represents 0 or 1; J represents a divalent group selected from a sulfonyl group and a carbonyl group; Z represents a hydrogen atom or an alkyl group; X represents a divalent bonding group represented by the formula --A 1 --(L) n --(A 2 ) p -- wherein A 1 and A 2 , which may be the same or different, each represents an alkylene group or an arylene group, L represents a divalent group selected from an oxy group, a carbonyl group, a carboxyamido group, a carbamoyl group, a sulfonamido group, a sulfamoyl group, a sulfinyl group and a sulfonyl group, and n and p each represents 0 or 1.
Claim 11
Dependent Claim
181 words
The light-sensitive sheet of claim 9, wherein R 1 and R 2 , which may be the same or different, each represents an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; Q 1 represents a hydrogen atom or a sulfamoyl group represented by the formula --SO 2 NR 3 R 4 wherein R 3 and R 4 , which may be the same or different, each represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, or R 3 and R 4 combine directly or through an oxygen atom to form a 5- or 6-membered ring; Q 2 represents a hydroxy group or --NHSO 2 R 4a group wherein R 4a is an alkyl group, an aralkyl group or an aryl group positioned at the 5-position to G; q is 0; Y-X represents Y-alkylene--SO 2 --, Y--C 6 H 4 CH 2 --SO 2 -- or Y- arylene --SO 2 --; Y represents a sulfamoyl group as defined in claim 2; and m is 0 or 1.
Claim 12
Dependent Claim
42 words
The light-sensitive sheet of claim 10, wherein R 1 and R 2 , which may be the same or different, each represents a methyl group, an ethyl group, a methoxy group, an ethoxy group or a methoxyethoxy group; and m is 0.
Claim 13
Dependent Claim
13 words
The light-sensitive sheet of claim 10, wherein Q 1 represents the sulfamoyl group.
Claim 14
Dependent Claim
28 words
The light-sensitive sheet of claim 12, wherein R 1 and R 2 , which may be same or different, each represents a methyl group or a methoxy group.
Claim 15
Dependent Claim
12 words
The light-sensitive sheet of claim 9, wherein J represents a sulfonyl group.
Claim 16
Dependent Claim
12 words
The light-sensitive sheet of claim 9, wherein Z represents a hydrogen atom.
Claim 17
Dependent Claim
10 words
The light-sensitive sheet of claim 9, wherein q is 0.
Claim 18
Dependent Claim
25 words
The light-sensitive sheet of claim 9, wherein Y--X represents Y-alkylene-SO 2 --, Y--C 6 H 4 CH 2 --SO 2 -- or Y-arylene--SO 2 --.
Claim 19
Dependent Claim
20 words
The light-sensitive sheet of claim 1 wherein Y represents an o- or p- hydroxyarylsulfamoyl group substituted with a ballast group.
Claim 20
Dependent Claim
20 words
The light-sensitive sheet of claim 18, wherein said ballast group contains a hydrophobic residue having 8 to 32 carbon atoms.
Claim 21
Dependent Claim
200 words
The light-sensitive sheet of claim 18, wherein said ballast group is represented by the formulae ##STR59## wherein J 1 represents a straight chain or branched chain alkyl group having 7 to 39 carbon atoms, J 2 represents a hydrogen atom or a straight chain or branched chain alkyl group having 1 to 39 carbon atoms, J 3 represents a straight chain or branched chain alkylene group having 1 to 10 carbon atoms, J 4 represents a hydrogen atom or a straight chain or branched chain alkyl group having 1 to 32 carbon atoms, J 5 represents a straight chain or branched chain alkyl group having 1 to 33 carbon atoms or a ##STR60## J 6 represents a straight chain or branched chain alkyl group having 1 to 37 carbon atoms, J 7 represents an alkyl group having 8 to 40 carbon atoms, J 8 represents a straight chain or branched chain alkylene group having 1 to 10 carbon atoms, J 9 represents a straight chain or branched chain alkylene group having 1 to 38 carbon atoms, J 10 represents an alkyl group having 1 to 38 carbon atoms or a ##STR61## and n represents an integer of 1 to 5.
Claim 22
Dependent Claim
48 words
The light-sensitive sheet of claim 1, where said light-sensitive silver halide emulsion has associated therewith a dye releasing redox compound in addition to said compound represented by the general formula, which has an absorption maximum at a longer or shorter wavelength than said compound of the general formula.
Claim 23
Dependent Claim
23 words
The light-sensitive sheet of claim 21, wherein said additional dye releasing redox compound has an absorption maximum at about 550 to 600 nm.
Claim 24
Dependent Claim
23 words
The light-sensitive sheet of claim 21, wherein said additional dye releasing redox compound has an absorption maximum at about 520 to 540 nm.
Claim 25
Dependent Claim
59 words
A color diffusion transfer film unit comprising a support, the light-sensitive element of claim 1, an image receiving element, a processing element containing a developing agent in a rupturable container constructed such that by passing the film unit through a pair of juxtaposed pressure-applying members, said processing element is ruptured and dye images are formed in said image-receiving element.
Claim 26
Dependent Claim
12 words
The light-sensitive sheet of claim 1, which further comprises a cover sheet.
Claim 27
Dependent Claim
16 words
The light-sensitive sheet of claim 25, wherein said neutralizing layer is present in said cover sheet.
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 |