Patent US4920482A successfully refreshed from Google Patents.
Patent US4336324A successfully refreshed from Google Patents.
US4336324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the processing of silver halide color photographic light-sensitive materials
Assignee: Konica Minolta Inc
•
Filing: 1981-06-12
•
Granted: 1982-06-22
•
Expires: 2001-06-12
Abstract
Abstract A method of stabilization using a plurality of baths which are replenished by a multi-stage counterflow system with the final bath having a pH of from 2.0 to 6.5.
Inventors
- 👤 Shigeharu Koboshi
- 👤 Masayuki Kurematsu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:50
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/3046; G03C5/00; G03C5/26; G03C5/268
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
125 words
In a method for the processing of a silver halide color photographic light-sensitive materials wherein said material, after being processed in a fixing bath or a bleach-fixing bath, is processed in a stabilization bath without through a substantial washing process, the improvement characterized in that the stabilization bath consists of a plurality of baths which are replenished by a multistage counterflow system, the replenishing quantity to the stabilization bath being in the range from three to fifty times as much as the quantity of a processing solution brought into the first stabilization bath from a preceding bath by a unit area of the light sensitive materials, and at least the final bath of said stabilization bath having a pH value of from 2.0 to 6.5.
Claim 2
Dependent Claim
125 words
In a method for the processing of a silver halide color photographic light-sensitive materials wherein said material, after being processed in a fixing bath or a bleach-fixing bath, is processed in a stabilization bath without through a substantial washing process, the improvement characterized in that the stabilization bath consists of a plurality of baths which are replenished by a multistage counterflow system, the replenishing quantity to the stabilization bath being in the range from three to fifty times as much as the quantity of a processing solution brought into the first stabilization bath from a preceding bath by a unit area of the light sensitive materials, and at least the final bath of said stabilization bath having a pH value of from 2.0 to 6.5.
Claim 3
Dependent Claim
20 words
In a method according to claim 1, the stabilization bath comprises a buffering compound, a sequestering agent and a fungicide.
Claim 4
Dependent Claim
16 words
In a method according to claim 1, the stabilization bath consists of more than three baths.
Claim 5
Dependent Claim
23 words
In a method according to claim 1, the final bath of the stabilization bath has a pH value of from 3.5 to 6.5.
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 |