US3591383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color photographic light sensitive material containing cyan coupler
Assignee: Fujifilm Holdings Corp
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Filing: 1968-10-14
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Granted: 1971-07-06
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Expires: 1988-10-14
Abstract
Abstract A COLOR PHOTOGRAPHIC MATERIAL HAVING A LIGHT-SENSITIVE SILVER HALIDE EMULSION LAYER CONTAINING A CYAN COUPLER YIELDING A DYE HAVING ITS MAIN ABSORPTION IN A SUITABLE RED WAVE LENGTH REGION AND HAVING A LOWERED GREEN ABSORPTION. THE COUPLER IS REPRESENTED BY THE FOLLOWING FORMULA 1-HO,2-(N*C-A-N(-R)-OC-),4-X-NAPHTHALENE THE REPRESENTATIVE MOIETIES SET OUT ABOVE ARE SPECIFICALLY DEFINED IN THE SPECIFICATION.
Inventors
- 👤 Makoto Yoshida
- 👤 Yasusuhi Oishi
- 👤 Momotoshi Tsuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:05
CPC Classifications
C; C07; C07C; C07C255/00; G; G03; G03C; G03C7/00; G03C7/30; G03C7/32; G03C7/34; G03C7/344
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |