US3288610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optically sensitized photographic silver halide emulsions
Assignee: Agfa Gevaert NV
•
Filing: 1964-10-06
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Granted: 1966-11-29
•
Expires: 1984-10-06
Abstract
No abstract record available.
Inventors
- 👤 Gotze Johannes
- 👤 Kampfer Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:53
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/10; C09B23/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
AN OPTICALLY SENSITIVE SILVER HALIDE EMUSLION CONTAINING A SENSITIZING AMOUNT OF A DIMETHINE MEROCYANINE DYE HAVING THE FOLLOWING FORMULA
Claim 2
Dependent Claim
19 words
AN OPTICALLY SENSITIVE SILVER HALIDE EMUSLION CONTAINING A SENSITIZING AMOUNT OF A DIMETHINE MEROCYANINE DYE HAVING THE FOLLOWING FORMULA
References Cited (Backward Citations)
US2304981A
Cited
GB742112A
Cited
US2870014A
Cited
US2895955A
Cited
US2984664A
Cited
US3177210A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |