US3775124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing method and composition for color photographic processing
Assignee: Fujifilm Holdings Corp
•
Filing: 1972-06-14
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Granted: 1973-11-27
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Expires: 1992-06-14
Abstract
Abstract A stable processing solution for improving the stability of color images of color photographic materials is disclosed. The processing solution contains pyrogallol-1,3-dimethyl ether.
Inventors
- 👤 K Shirasu
- 👤 M Ozawa
- 👤 Y Ogawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:24
CPC Classifications
G; G03; G03C; G03C7/00; G03C7/30; G03C7/392; G03C7/39208; G03C7/39212; G03C7/39216; G03C7/3046; G03C7/407; G03C7/413
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
26 words
The method of stabilizing the color photographic material according to claim 1, wherein said pyrogallol-1,3-dimethyl ether in said processing composition ranges from about 0.1 to 10g/liter.
Claim 2
Dependent Claim
23 words
The method of stabilizing the color photographic material according to claim 1, wherein said color photographic processing composition is an aqueous stabilization solution.
Claim 3
Dependent Claim
22 words
The method of stabilizing the color photographic material of claim 1, wherein said processing is after said forming of said color images.
Claim 4
Dependent Claim
23 words
The method of stabilizing the color photographic material of claim 1, wherein said processing is prior to said forming of said color images.
Claim 5
Dependent Claim
27 words
The method of stabilizing the color photographic material according to claim 1, wherein said color photographic processing composition additionally contains diethylene glycol, polyethylene glycol or mixtures thereof.
Claim 6
Dependent Claim
19 words
A stabilized silver halide color photographic material processed in a processing composition according to the method of claim 1.
Claim 7
Dependent Claim
49 words
A silver halide color photographic processing and stabilizing composition containing pyrogallol-1,3-dimethyl ether and at least one member selected from the group consisting of urea, a water-soluble derivative of urea, guanidine, a water-solution derivative of guanidine, dihydroxybenzene, a derivative of dihydroxybenzene, trihydroxybenzne, a derivative of trihydroxybenzene, and a phenolic compound.
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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |