US3495986A
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Silver halide emulsion containing an aqueous latex prepared with a coupler having surfactant properties
Assignee: Ferrania SpA
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Filing: 1966-02-21
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Granted: 1970-02-17
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Expires: 1986-02-21
Abstract
No abstract record available.
Inventors
- 👤 Simone Franco
- 👤 Guido Polla-Mattiot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:10
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C7/00; G03C7/30; G03C7/32; G03C7/327; G03C7/3275; G03C7/388; G03C7/3882
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |