Patent US4268618A successfully refreshed from Google Patents.
US4268618A
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Bleaching composition for photographic processing
Assignee: Fujifilm Holdings Corp
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Filing: 1980-07-07
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Granted: 1981-05-19
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Expires: 2000-07-07
Abstract
Abstract A bleaching composition having strengthened oxidizing power and which markedly reduces color stains is described, which contains as essential components: (1) an organic acid-iron (III) complex salt; (2) an alkali metal or an ammonium salt of bromic acid; (3) a water-soluble halogenide; (4) at least one compound selected from the group consisting of the compounds having the formula (I) or (II) X--R.sup.1).sub.n COOM (I) ##STR1## wherein X represents COOM or an amino group, with M representing hydrogen, an alkali metal ion or ammonium ion; R 1 represents a divalent aliphatic group containing 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups and/or carboxy group; n is 0 or 1; and R 2 and R 3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 2 and R 3 together form a 5-membered or a 6-membered ring; and (5) at least one compound selected from the group consisting of compounds represented by the formula (III) ##STR2## wherein R 4 and R 5 may be the same or different from each other, and they each represents an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 4 and R 5 together form a 5- or a 6-membered ring.
Inventors
- 👤 Taiji Hashimura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:16
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/42; G03C7/421
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
227 words
A bleaching composition for the photographic processing of silver halide color photosensitive materials containing Components: (1) an organic acid-iron (III) complex salt; (2) an alkali metal or ammonium salt of bromic acid; (3) a water-soluble halogenide; (4) at least one compound selected from the group consisting of compounds represented by the formula (I) or (II) X--R.sup.1).sub.n COOM (I) ##STR13## wherein X represents COOM or amino group, with M representing hydrogen, an alkali metal ion or an ammonium ion; R.sup.1 represents a divalent aliphatic group containing from 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups, and/or carboxy groups; n is 0 or 1; and R.sup.2 and R.sup.3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R.sup.2 and R.sup.3 together form a 5-membered or a 6-membered ring; and (5) at least one compound selected from the group consisting of compounds represented by the formula (III) ##STR14## wherein R 4 and R 5 may be the same or different from each other, and each represents an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 4 and R 5 together form a 5-membered or a 6-membered ring.
Claim 2
Dependent Claim
227 words
A bleaching composition for the photographic processing of silver halide color photosensitive materials containing Components: (1) an organic acid-iron (III) complex salt; (2) an alkali metal or ammonium salt of bromic acid; (3) a water-soluble halogenide; (4) at least one compound selected from the group consisting of compounds represented by the formula (I) or (II) X--R.sup.1).sub.n COOM (I) ##STR13## wherein X represents COOM or amino group, with M representing hydrogen, an alkali metal ion or an ammonium ion; R.sup.1 represents a divalent aliphatic group containing from 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups, and/or carboxy groups; n is 0 or 1; and R.sup.2 and R.sup.3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R.sup.2 and R.sup.3 together form a 5-membered or a 6-membered ring; and (5) at least one compound selected from the group consisting of compounds represented by the formula (III) ##STR14## wherein R 4 and R 5 may be the same or different from each other, and each represents an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 4 and R 5 together form a 5-membered or a 6-membered ring.
Claim 3
Dependent Claim
18 words
A bleaching composition as in claim 1, wherein Component (4) is a compound represented by the formula (II).
Claim 4
Dependent Claim
27 words
A bleaching composition as in claim 1, wherein Component (4) is a compound wherein R 2 and R 3 together form a 5-membered or a 6-membered ring.
Claim 5
Dependent Claim
13 words
A bleaching composition as in claim 1, wherein said Component (4) is succinimide.
Claim 6
Dependent Claim
43 words
A bleaching composition as in claim 1, wherein Component (1) is an ethylenediaminetetraacetatoferrate (III) complex salt, Component (2) is sodium or potassium bromate, Component (3) is a water-soluble chloride, Component (4) is succinimide or a derivative thereof, and Component (5) is ethylene urea.
Claim 7
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein when R 2 and R 3 is an alkyl group, said alkyl group comprises from 1 to 4 carbon atoms.
Claim 8
Dependent Claim
30 words
A bleaching composition as in claim 1 or 6, wherein when R 2 or R 3 is an alkenyl group, said alkenyl group comprises from 2 to 5 carbon atoms.
Claim 9
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein when R 4 or R 5 is an alkyl group, said alkyl group comprises from 1 to 4 carbon atoms.
Claim 10
Dependent Claim
30 words
A bleaching composition as in claim 1 or 8, wherein when R 4 or R 5 is an alkenyl group, said alkenyl group comprises from 2 to 5 carbon atoms.
Claim 11
Dependent Claim
36 words
A bleaching composition as in claim 1, 2, 3, 4, or 5, wherein Components (4) and (5) are each present in amounts within a range from about 0.005 to 0.5 mol per liter of bleaching composition.
Claim 12
Dependent Claim
36 words
A bleaching composition as in claim 1, 2, 3, 4, or 5, wherein Components (4) and (5) are each present in an amount within a range from 0.01 to 0.3 mol per liter of bleaching composition.
Claim 13
Dependent Claim
26 words
A bleaching composition as in claim 1, wherein Component (1) is present in an amount from about 0.05 to 2 mols per liter of bleaching composition.
Claim 14
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein Component (1) is present in an amount within a range from 0.1 to 0.5 mol per liter of bleaching composition.
Claim 15
Dependent Claim
26 words
A bleaching composition as in claim 1, wherein Component (2) is present in an amount from about 0.005 to 0.5 mol per liter of bleaching composition.
Claim 16
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein Component (2) is present in an amount within a range from 0.05 to 0.3 mol per liter of bleaching composition.
Claim 17
Dependent Claim
26 words
A bleaching composition as in claim 1, wherein Component (3) is present in an amount from about 0.1 to 7 mols per liter of bleaching composition.
Claim 18
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein Component (3) is present in an amount within a range from 0.5 to 4 mols per liter of bleaching composition.
Claim 19
Dependent Claim
28 words
A bleaching composition as in claim 1, wherein Component (3) is present in an amount within a range from 1 to 3 mols per liter of bleaching composition.
Claim 20
Dependent Claim
60 words
A bleaching composition as in claim 1, 2, 3, 4, or 5, wherein a bleaching accelerator represented by the formula (IV) Y-A-SH (IV) wherein A represents an alkylene group or a nitrogen-containing hetero-ring, and Y represents an alkyl-substituted or a non-substituted amino group, a nitrogen-containing saturated hetero-ring, a hydroxy group, a carboxy group or a sulfo group, is contained therein.
Claim 21
Dependent Claim
48 words
A bleaching composition as in claim 1, 2, 3, 4, or 5, wherein a bleaching accelerator represented by the formula (V) Y-(CH.sub.2).sub.m -SH (V) wherein Y represents N,N-dimethylamino group, N,N-diethylamino group, hydroxy group or sulfo group; and m represents an integer of 2 or 3, is contained therein.
Claim 22
Dependent Claim
30 words
A bleaching composition as in claim 19, wherein the bleaching accelerator is contained in an amount ranging from about 4×10 -5 to 5×10 -1 mol per liter of bleaching composition.
Claim 23
Dependent Claim
30 words
A bleaching composition as in claim 20, wherein the bleaching accelerator is contained in an amount ranging from about 4×10 -5 to 5×10 -1 mol per liter of bleaching composition.
Claim 24
Dependent Claim
30 words
A bleaching composition as in claim 19, wherein the bleaching accelerator is contained in an amount ranging from about 4×10 -3 to 1×10 -1 mol per liter of bleaching composition.
Claim 25
Dependent Claim
30 words
A bleaching composition as in claim 20, wherein the bleaching accelerator is contained in an amount ranging from about 4×10 -3 to 1×10 -1 mol per liter of bleaching composition.
Claim 26
Independent Claim
237 words
A method for processing color photographic light-sensitive materials including a bleaching step, wherein the bleaching step is carried out using a bleaching composition containing Components: (1) an organic acid-iron(III) complex salt; (2) an alkali metal or ammonium salt of bromic acid; (3) a water soluble halogenide; (4) at least one compound selected from the group consisting of compounds represented by the formula (I) or (II) X--R.sup.1).sub.n COOM (I) ##STR15## wherein X represents COOM or amino group, with M representing hydrogen, an alkali metal ion or an ammonium ion; R.sup.1 represents a divalent aliphatic group containing from 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups and/or carboxy groups; n is 0 or 1; and R.sup.2 and R.sup.3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R.sup.2 and R.sup.3 together form a 5-membered or a 6-membered ring; and (5) at least one compound selected from the group consisting of compounds represented by the formula (III) ##STR16## wherein R 4 and R 5 may be the same or different from each other, and each represents an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 4 and R 5 together form a 5-membered or a 6-membered ring.
Claim 27
Independent Claim
237 words
A method for processing color photographic light-sensitive materials including a bleaching step, wherein the bleaching step is carried out using a bleaching composition containing Components: (1) an organic acid-iron(III) complex salt; (2) an alkali metal or ammonium salt of bromic acid; (3) a water soluble halogenide; (4) at least one compound selected from the group consisting of compounds represented by the formula (I) or (II) X--R.sup.1).sub.n COOM (I) ##STR15## wherein X represents COOM or amino group, with M representing hydrogen, an alkali metal ion or an ammonium ion; R.sup.1 represents a divalent aliphatic group containing from 1 to 4 carbon atoms which may be substituted with hydroxy groups, amino groups and/or carboxy groups; n is 0 or 1; and R.sup.2 and R.sup.3 may be the same or different from each other, and each represents an amino group, an acylamino group, an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R.sup.2 and R.sup.3 together form a 5-membered or a 6-membered ring; and (5) at least one compound selected from the group consisting of compounds represented by the formula (III) ##STR16## wherein R 4 and R 5 may be the same or different from each other, and each represents an alkyl group, an alkenyl group, a phenyl group, or a 5-membered or a 6-membered heterocyclic group, or R 4 and R 5 together form a 5-membered or a 6-membered ring.
Claim 28
Dependent Claim
73 words
A method as in claim 25, wherein a bleaching accelerator represented by the formula (IV) Y-A-SH (IV) wherein A represents an alkylene group or a nitrogen-containing hetero-ring, and Y represents an alkyl-substituted or a non-substituted amino group, a nitrogen-containing saturated hetero-ring, a hydroxy group, a carboxy group or a sulfo group, is added to a processing bath to be used in or after a color development step and prior to the bleaching step.
Claim 29
Dependent Claim
57 words
A method as in claim 25, wherein a bleaching accelerator represented by the formula (IV) Y-A-SH (IV) wherein A represents an alkylene group or a nitrogen-containing hetero-ring, and Y represents an alkyl-substituted or a non-substituted amino group, a nitrogen-containing saturated hetero-ring, a hydroxy group, a carboxy group or a sulfo group, is added to the bleaching composition.
Claim 30
Dependent Claim
26 words
A method as in claim 26, wherein the processing bath is a color developing bath, a mere water bath, a stop bath or a stop-fixing bath.
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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) | 1984-05-18 | 1984-11-17 | 1985-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-05-18 | 1988-11-17 | 1989-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-05-18 | 1992-11-17 | 1993-05-19 | $7700.00 | Window Closed / Lapsed |