Patent US4336322A successfully refreshed from Google Patents.
US4336322A
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Color photographic light-sensitive material
Assignee: Fujifilm Holdings Corp
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Filing: 1980-07-18
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Granted: 1982-06-22
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Expires: 2000-07-18
Abstract
Abstract A color photographic light-sensitive material is described containing a dye-releasing redox compound having the following formula: ##STR1## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis; Col represents a dye or a dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, and R 1 and R 2 together can form a ring; R 3 represents hydrogen, an alkyl group or an aromatic group; R 4 can represent an alkyl group or an aromatic group; R 5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; n is 0, 1 or 2; and R 4 and an R 5 together can form a heterocyclic ring, R 1 and R 4 together can form a heterocyclic ring, R 1 and an R 5 together can form a ring, R 1 , R 2 and R 3 together can form an adamantyl ring, and the total number of carbon atoms of R 1 , R 2 , R 3 , R 4 and R n 5 is more than 7.
Inventors
- 👤 Shinsaku Fujita
- 👤 Koichi Koyama
- 👤 Yoshio Inagaki
- 👤 Kokichi Waki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:15
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/56; G; G03; G03C; G03C7/00; G03C7/30; G03C7/305; G03C7/30541; G03C7/30547
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
222 words
A color photographic light-sensitive material containing at least one light-sensitive silver halide emulsion layer combined with a dye-releasing redox compound represented by formula (I): ##STR67## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis; Col represents a dye or dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, and R 1 and R 2 together can form a ring; R 3 represents hydrogen, an alkyl group or an aromatic group; R 4 can represent an alkyl group or an aromatic group; R 5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; n is 0, 1 or 2, and when n is 2, the two R 5 s can be different from each other; and R 4 and an R 5 together can form a heterocyclic ring, R 1 and R 4 together can form a heterocyclic ring, R 1 and R 5 together can form a ring, R 1 , R 2 and R 3 together can form an adamantyl ring, and the total number of carbon atoms of R 1 , R 2 , R 3 , R 4 and R 5 n is more than 7.
Claim 2
Dependent Claim
222 words
A color photographic light-sensitive material containing at least one light-sensitive silver halide emulsion layer combined with a dye-releasing redox compound represented by formula (I): ##STR67## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis; Col represents a dye or dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, and R 1 and R 2 together can form a ring; R 3 represents hydrogen, an alkyl group or an aromatic group; R 4 can represent an alkyl group or an aromatic group; R 5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; n is 0, 1 or 2, and when n is 2, the two R 5 s can be different from each other; and R 4 and an R 5 together can form a heterocyclic ring, R 1 and R 4 together can form a heterocyclic ring, R 1 and R 5 together can form a ring, R 1 , R 2 and R 3 together can form an adamantyl ring, and the total number of carbon atoms of R 1 , R 2 , R 3 , R 4 and R 5 n is more than 7.
Claim 3
Dependent Claim
28 words
A color photographic light-sensitive material as in claim 1 containing a dye-releasing redox compound represented by formula (I) wherein G represents a hydroxy group and n is 1.
Claim 4
Dependent Claim
36 words
A color photographic light-sensitive material as in claim 1 or 2 wherein the alkyls group represented by R 1 , R 2 , R 3 , and R 4 contain from 1 to 40 carbon atoms.
Claim 5
Dependent Claim
34 words
A color photographic light-sensitive material as in claim 3, wherein the alkyls group represented by R 1 , R 2 , R 3 , and R 4 contain from 1 to 24 carbon atoms.
Claim 6
Dependent Claim
51 words
A color photographic light-sensitive material as in claim 1 or 2 wherein the aromatic groups represented by R 1 , R 2 , R 3 , and R 4 are selected from the group consisting of a phenyl group, a substituted phenyl group, a naphthyl group and a substituted naphthyl group.
Claim 7
Dependent Claim
33 words
A color photographic light-sensitive material as in claim 1 or 2 wherein the alkyl group, the alkoxy group, or the alkylthio group represented by R 5 contains from 1 to 40 carbon atoms.
Claim 8
Dependent Claim
31 words
A color photographic light-sensitive material as in claim 6 wherein the alkyl group, the alkoxy group, or the alkylthio group represented by R 5 contains from 1 to 24 carbon atoms.
Claim 9
Dependent Claim
119 words
A color photographic material as in claim 1 wherein the dye-releasing redox compound is a compound represented by the formula (II): ##STR68## wherein Col represents a dye or a dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, or R 1 and R 2 together can form a saturated hydrocarbon ring; R 3 represents a hydrogen atom, an alkyl group or an aromatic group or R 1 , R 2 and R 3 together can form an adamantyl group; R 4 represents an aryloxyalkyl group or an unsubstituted alkyl group; and R 5a represents a hydrogen atom, an alkyl group, or an alkoxy group.
Claim 10
Dependent Claim
42 words
A color photographic material as in claim 8, wherein R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group; and R 3 represents an alkyl group or an aryl group.
Claim 11
Dependent Claim
38 words
A color photographic material as in claim 8 wherein the ##STR69## group is a t-butyl group, a cyclohexyl group, an adamantyl group, an t-amyl group, an 1-ethyl-1-methylpentyl group, a t-hexyl group, an t-octyl group or a ##STR70## group.
Claim 12
Dependent Claim
25 words
A color photographic material as in claim 1, wherein Col is represented by the formula C-(I), M 1 -(I), M 2 -(I), Y-(I) or Y-(II).
Claim 13
Dependent Claim
25 words
A color photographic material as in claim 11, wherein Col is represented by the formula C-(II), M 1 -(II), M 1 -(III), Y-(III) or Y-(IV).
Claim 14
Dependent Claim
59 words
A color photographic material as in claim 11 containing a combination of (a) the dye-releasing redox compound represented by the formula (I) and having a group represented by the formula M 1 -(I) as "Col" and (b) the dye-releasing redox compound represented by the formula (I) and having a group represented by the formula M 2 -(I) as "Col".
Claim 15
Dependent Claim
15 words
A color photographic material as in claim 1 further comprising a 1-aryl-3-pyrazolidone series developing agent.
Claim 16
Dependent Claim
79 words
A color photographic material as in claim 14 wherein the developing agent is represented by the formula: ##STR71## wherein W 1 and W 2 , which may be the same or different, each represents hydrogen, an alkyl group or an aryl group, or W 1 and W 2 together can form a 4- to 8-membered carbon ring; W 3 represents hydrogen, or a substituent with which Hammett's σ is negative; and n represents an integer of 1 to 5.
Claim 17
Dependent Claim
31 words
A color photographic material as in claim 14, wherein the developing agent has the half wave potential of polarography in the range of from about -80 mV to about -200 mV.
Claim 18
Dependent Claim
26 words
A color photographic material as in claim 16 wherein the half wave potential is in the range of from about -100 mV to about -150 mV.
Claim 19
Dependent Claim
23 words
A color photographic material as in claim 14 wherein the 1-aryl-3-pyrazolidinone series developing agent is contained in combination with a hydroquinone series compound.
Claim 20
Dependent Claim
27 words
A color photographic light-sensitive material as in claim 1 wherein the ring formed by R 1 and R 2 is a carbocyclic ring or a heterocyclic ring.
Claim 21
Dependent Claim
27 words
A color photographic light-sensitive material as in claim 1 wherein the ring formed by R 1 and R 5 is a carbocyclic ring or a heterocyclic ring.
Claim 22
Dependent Claim
94 words
A color photographic light-sensitive material as in claim 1 containing a compound selected from the group consisting of compounds of the formula: ##STR72## wherein R 1 =R 2 =R 3 =CH 3 ; ##STR73## wherein R 1 =R 2 =R 3 =CH 3 ; ##STR74## wherein Y 3 =Y 4 =C 2 H 5 ; ##STR75## wherein R 2 =CH 3 and R 3 =C 2 H 5 ; ##STR76## wherein R 2 =CH 3 and R 3 =CH 2 --C(CH 3 ) 3 ##STR77## wherein R 2 =R 3 =CH 3 ; ##STR78##
Claim 23
Independent Claim
234 words
A method of producing a color image which comprises processing an exposed photographic light-sensitive material containing a dye-releasing redox compound in the presence of a 1-aryl-3-pyrazolidinone series developing wherein said dye-releasing redox compound has the formula ##STR79## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis; Col represents a dye or dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, and R 1 and R 2 together can form a ring; R 3 represents hydrogen, an alkyl group or an aromatic group; R 4 can represent an alkyl group or an aromatic group; R 5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; n is 0, 1 or 2, and when n is 2, the two R 5 s can be different from each other; and R 4 and an R 5 together can form a heterocyclic ring, R 1 and R 4 together can form a heterocyclc ring, R 1 and R 5 together can form a ring, R 1 , R 2 and R 3 together can form an adamantyl ring, and the total number of carbon atoms of R 1 , R 2 , R 3 , R 4 and R n 5 is more than 7.
Claim 24
Independent Claim
234 words
A method of producing a color image which comprises processing an exposed photographic light-sensitive material containing a dye-releasing redox compound in the presence of a 1-aryl-3-pyrazolidinone series developing wherein said dye-releasing redox compound has the formula ##STR79## wherein G represents a hydroxy group or a group providing a hydroxy group by hydrolysis; Col represents a dye or dye precursor; R 1 and R 2 , which may be the same or different, each represents an alkyl group or an aromatic group, and R 1 and R 2 together can form a ring; R 3 represents hydrogen, an alkyl group or an aromatic group; R 4 can represent an alkyl group or an aromatic group; R 5 can represent an alkyl group, an alkoxy group, an alkylthio group, an arylthio group, a halogen atom or an acylamino group; n is 0, 1 or 2, and when n is 2, the two R 5 s can be different from each other; and R 4 and an R 5 together can form a heterocyclic ring, R 1 and R 4 together can form a heterocyclc ring, R 1 and R 5 together can form a ring, R 1 , R 2 and R 3 together can form an adamantyl ring, and the total number of carbon atoms of R 1 , R 2 , R 3 , R 4 and R n 5 is more than 7.
Claim 25
Dependent Claim
20 words
A method of producing a color image as in claim 22 wherein the method is a color diffusion transfer process.
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) | 1985-06-21 | 1985-12-21 | 1986-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-06-21 | 1989-12-21 | 1990-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-06-21 | 1993-12-21 | 1994-06-22 | $7700.00 | Window Closed / Lapsed |