US3666468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of color photographic printing paper
Assignee: Fujifilm Holdings Corp
•
Filing: 1970-03-19
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Granted: 1972-05-30
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Expires: 1990-03-19
Abstract
Abstract A STABILIZATION COMPOSITION FOR USE IN PROCESSING PHOTOGRAPHIC PRINTING PAPERS, COMPRISING A WATER-SOLUBLE ALUMINUM SALT, A POLYCARBOXYLIC ACID OR A SALT THEREOF, AND BENZOIC ACID OR A SALT THEREOF, IS DISCLOSED.
Inventors
- 👤 Hiroyuki Amano
- 👤 Kazuo Shirasu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:21
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/38; G03C7/00; G03C7/30; G03C7/3046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-30 | 1975-11-29 | 1976-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-30 | 1979-11-29 | 1980-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-30 | 1983-11-29 | 1984-05-30 | $7700.00 | Window Closed / Lapsed |