US4451132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color photographic processing apparatus including a reverse osmosis apparatus
Assignee: Fujifilm Holdings Corp
•
Filing: 1982-12-16
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Granted: 1984-05-29
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Expires: 2002-12-16
Abstract
Abstract A color photographic processing apparatus including color developing, blixing and wash water tanks through which photographic materials are sequentially processed on passing the tanks comprises a reverse osmosis apparatus having a wash water inlet connected with the wash water tank, a condensed fluid outlet connected to said blixing tank and a diluted water outlet connected with said wash water tank.
Inventors
- 👤 Shinzo Kishimoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:08
CPC Classifications
G; G03; G03D; G03D3/00; G03D3/02; G03D3/06; G03D3/065
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
71 words
A color photographic processing apparatus including color developing tank or tanks, blixing tank or tanks and wash water tank or tanks through which photographic materials are sequentially processed on passing the tanks, wherein the improvement comprises a reverse osmosis apparatus having a wash water inlet connected with the wash water tank(s), a condensed fluid outlet connected to said blixing tank(s) and a diluted water outlet connected with said wash water tank(s).
Claim 2
Dependent Claim
71 words
A color photographic processing apparatus including color developing tank or tanks, blixing tank or tanks and wash water tank or tanks through which photographic materials are sequentially processed on passing the tanks, wherein the improvement comprises a reverse osmosis apparatus having a wash water inlet connected with the wash water tank(s), a condensed fluid outlet connected to said blixing tank(s) and a diluted water outlet connected with said wash water tank(s).
Claim 3
Dependent Claim
26 words
The apparatus as defined in claim 1, in which the wash water substantially in a countercurrent flows against a photographic material through the wash water tank(s).
Claim 4
Dependent Claim
48 words
The apparatus as defined in claim 2, in which the inlet of the reverse osmosis apparatus is connected with the front side of the wash water tank and the diluted water outlet of the reverse osmosis apparatus is connected with the rear side of the wash water tank.
Claim 5
Dependent Claim
27 words
The apparatus as defined in claim 2 or 3, in which a pipe for replenishing water is provided at the rearmost side of the wash water tank.
Claim 6
Dependent Claim
20 words
The apparatus as defined in claim 2, in which the wash water tank includes a plurality of tanks consecutively connected.
Claim 7
Dependent Claim
54 words
The apparatus as defined in claim 5, in which a frontmost wash water tank is connected with the inlet of the reverse osmosis apparatus and a rearmost tank is connected with a water replenishing pipe and a tank preceding the rearmost tank is connected with the diluted water outlet of the reverse osmosis apparatus.
Claim 8
Dependent Claim
18 words
The apparatus as defined in claim 1, in which the blixing tank comprises a plurality of cascade-connected tanks.
Claim 9
Dependent Claim
26 words
The apparatus as defined in claim 7, in which two or more blixing tanks are connected with the condensed fluid outlet of the reverse osmosis apparatus.
Claim 10
Dependent Claim
25 words
The apparatus as defined in claim 1 or 7, in which said condensed fluid outlet is connected to the rear side of the blixing tank.
Claim 11
Dependent Claim
27 words
The apparatus as defined in claim 1 or 7, in which the wash water flows in a countercurrent against the photographic material in each wash water tanks.
Claim 12
Dependent Claim
22 words
The apparatus as defined in claim 1, in which the blixing tank is connected with a regenerating apparatus of the blixing solution.
Claim 13
Dependent Claim
26 words
The apparatus as defined in claim 1 or 11, in which the blixing tank is connected to a recovery means for recovering silver and blixing agents.
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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) | 1987-05-29 | 1987-11-28 | 1988-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-29 | 1991-11-28 | 1992-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-29 | 1995-11-28 | 1996-05-29 | $7700.00 | Window Closed / Lapsed |