Patent US3580723A successfully refreshed from Google Patents.
US3580723A
Expired / Lapsed
US
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Light-sensitive silver halide photographic emulsion
Assignee: Konica Minolta Inc
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Filing: 1968-12-12
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Granted: 1971-05-25
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Expires: 1988-12-12
Abstract
Abstract LIGHT SENSITIVE SILVER HALIDE PHOTOGRAPHIC EMULSIONS ARE SUPERSENSITIZED BY COATING WITH A SUPERSENSITIZER CONSTITUTED BY A COMBINATION OF TWO DIFFERENT OXACARBOCYANINE DYES.
Inventors
- 👤 Shui Sato
- 👤 Kaiichiro Sakazume
- 👤 Eiichi Sakamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:17
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/28; G03C1/29
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) | 1974-05-24 | 1974-11-23 | 1975-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-24 | 1978-11-23 | 1979-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-24 | 1982-11-23 | 1983-05-25 | $7700.00 | Window Closed / Lapsed |