US3359113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silver halide emulsions sensitized with methine dyes containing an imidazole nucleus
Assignee: Gevaert Photo Producten NV
•
Filing: 1964-03-30
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Granted: 1967-12-19
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Expires: 1984-03-30
Abstract
No abstract record available.
Inventors
- 👤 Depoorter Henri
- 👤 Libeer Marcel Jan
- 👤 Nys Jean Marie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:19
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/0008; C09B23/005; C09B23/0058; G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; G03G5/067; G03G5/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A METHINE DYE HAVING THE FORMULA:
Claim 2
Dependent Claim
12 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A METHINE DYE HAVING THE FORMULA:
References Cited (Backward Citations)
US2304981A
Cited
GB749189A
Cited
US2918369A
Cited
US2870014A
Cited
US2895955A
Cited
US2984664A
Cited
US3288610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |