US4687731A
Expired / Lapsed
US
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Method for processing light-sensitive silver halide color photographic material which contains a high speed reactive yellow coupler by processing, after fixings, with a sulfite-containing solution and without substantial washing
Assignee: Konica Minolta Inc
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Filing: 1985-11-04
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Granted: 1987-08-18
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Expires: 2005-11-04
Abstract
Abstract A method of processing a light-sensitive silver halide color photographic material comprising color developing an imagewise exposed light-sensitive silver halide color photographic material comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on a base, said blue-sensitive silver halide emulsion layer containing a high speed reactive yellow coupler having a relative coupling reaction rate of not less than 0.3, followed by processing with a processing solution having a fixing ability and then processing with a stabilizing solution without a substantial washing step, said stabilizing solution containing a sulfite in an amount of at least 1×10 -3 mole per 1 liter of said stabilizing solution. The processed photographic material has superior stability of the dye image.
Inventors
- 👤 Masao Ishikawa
- 👤 Shigeharu Koboshi
- 👤 Satoru Kuse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 16:09
CPC Classifications
G; G03; G03C; G03C1/00; G03C7/00; G03C7/30; G03C7/3046
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
115 words
A method of processing a light-sensitive silver halide color photographic material comprising color developing an imagewise exposed light-sensitive silver halide color photographic material comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on a base, said blue-sensitive silver halide emulsion layer containing a high speed reactive yellow coupler having a relative coupling reaction rate of not less than 0.3, followed by processing with a processing solution having a fixing ability and then processing with a stabilizing solution without a substantial washing step, said stabilizing solution containing a sulfite in an amount of at least 1×10 -3 mole per 1 liter of said stabilizing solution.
Claim 2
Independent Claim
115 words
A method of processing a light-sensitive silver halide color photographic material comprising color developing an imagewise exposed light-sensitive silver halide color photographic material comprising a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on a base, said blue-sensitive silver halide emulsion layer containing a high speed reactive yellow coupler having a relative coupling reaction rate of not less than 0.3, followed by processing with a processing solution having a fixing ability and then processing with a stabilizing solution without a substantial washing step, said stabilizing solution containing a sulfite in an amount of at least 1×10 -3 mole per 1 liter of said stabilizing solution.
Claim 3
Dependent Claim
40 words
The method according to claim 1, wherein said processing is carried out while replenishing the stabilizing solution with a replenisher solution containing a sulfite in an amount of at least 1×10 -3 mole per 1 liter of said replenisher solution.
Claim 4
Dependent Claim
17 words
The method according to claim 1, wherein said relative coupling reaction rate is not less than 0.5.
Claim 5
Dependent Claim
37 words
The method according to claim 1, wherein said high speed reactive yellow coupler is in an amount of 2×10 -3 to 5×10 -1 mole per 1 mole of the silver in said blue-sensitive silver halide emulsion layer.
Claim 6
Dependent Claim
37 words
The method according to claim 4, wherein said high speed reactive yellow coupler is in an amount of 1×10 -2 to 5×10 -1 mole per 1 mole of the silver in said blue-sensitive silver halide emulsion layer.
Claim 7
Dependent Claim
32 words
The method according to claim 1, wherein said high speed reactive yellow coupler is in an amount of 55 mole % or more based on the total amount of said yellow couplers.
Claim 8
Dependent Claim
44 words
The method according to claim 1, wherein said sulfite is a compound selected from the group consisting of sodium sulfite, potassium sulfite, ammonium sulfite, ammonium bisulfite, potassium bisulfite, sodium bisulfite, sodium metabisulfite, potassium metabisulfite, ammonium metabisulfite, hydrosulfite, glutaraldehyde bis-sodium bisulfite and succinaldehyde bis-sodium bisulfite.
Claim 9
Dependent Claim
28 words
The method according to claim 1, wherein said stabilizing solution contains a chelating agent having a chelate stability constant to a ferric ion of not less than 6.
Claim 10
Dependent Claim
27 words
The method according to claim 8, wherein said chelating agent is in an amount ranging from 0.01 to 50 g per 1 liter of said stabilizing solution.
Claim 11
Dependent Claim
19 words
The method according to claim 1, wherein said stabilizing solution has a pH value of from 4 to 8.
Claim 12
Dependent Claim
26 words
The method according to claim 1, wherein the processing with said stabilizing solution is carried out at a processing temperature of from 15° to 60° C.
Claim 13
Dependent Claim
24 words
The method according to claim 9, wherein said chelating agent is in an amount of from 0.05-20 g per liter of said stabilizing solution.
Claim 14
Dependent Claim
24 words
The method according to claim 1, wherein said stabilizing solution contains a maximum of 0.1 mol of said sulfite per liter of said solution.
Claim 15
Dependent Claim
20 words
The method of claim 11, wherein said processing is carried out at a temperature of from 20° to 45° C.
Claim 16
Dependent Claim
20 words
The method of claim 1, wherein said processing with stabilizing solution is carried out for 20 seconds to 10 minutes.
Claim 17
Dependent Claim
16 words
The method of claim 15, wherein said processing is carried out for 1 to 5 minutes.
Claim 18
Dependent Claim
94 words
The method according to claim 3, wherein said high speed reactive yellow coupler is in an amount of 2×10 -3 to 5×10 -1 mole per 1 mole of the silver in said blue-sensitive silver halide emulsion layer; said high speed reactive yellow coupler is in an amount of 55 mole % or more based on the total amount of said yellow couplers; said stabilizing solution has a pH value of from 4 to 8; and the processing with said stabilizing solution is carried out at a processing temperature of from 15° to 60° C.
Claim 19
Dependent Claim
45 words
The method according to claim 17, wherein said stabilizing solution contains a chelating agent having a chelate stability constant of not less than 6; and said chelating agent is in an amount ranging from 0.01 to 50 g per 1 liter of said stabilizing solution.
Claim 20
Dependent Claim
37 words
The method according to claim 18, wherein said high speed reactive yellow coupler is in an amount of 1×10 -2 to 5×10 -1 mole per 1 mole of the silver in said blue-sensitive silver halide emulsion layer.
References Cited (Backward Citations)
US4567135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-08-17 | 1991-02-16 | 1991-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-08-17 | 1995-02-16 | 1995-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-08-17 | 1999-02-16 | 1999-08-18 | $7700.00 | Window Closed / Lapsed |