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Patent US3340064A successfully refreshed from Google Patents.
US3340064A
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Silver halide emulsions sensitized with cyanine dyes containing an oxazinetype ring
Assignee: Agfa Gevaert NV
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Filing: 1964-07-13
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Granted: 1967-09-05
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Expires: 1984-07-13
Abstract
No abstract record available.
Inventors
- 👤 Riester Oskar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:05
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/34; G03C1/346; C; C07; C07D; C07D277/00; C07D277/60; C07D277/62; C07D277/64; C09; C09B; C09B23/00; C09B23/02; C09B23/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION, CONTAINING A SENSITIZING AMOUNT OF A CYANINE DYE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING FORMULAE:
Claim 2
Dependent Claim
21 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION, CONTAINING A SENSITIZING AMOUNT OF A CYANINE DYE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING FORMULAE:
References Cited (Backward Citations)
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US2737516A
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US2870014A
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US2895955A
Cited
US2984664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |