US3736145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive photographic material having exceptionally high resolving power
Assignee: Individual
•
Filing: 1970-11-13
•
Granted: 1973-05-29
•
Expires: 1990-11-13
Abstract
Abstract A PHOTOGRAPHIC EMULSION ORTHOMATICALLY SPECTRALSENSITIZED BY ADDING OF A DIMETHINE MEROCYANINE DYE TO AN ULTRAMICROFINE SILVER IODOBROMIDE EMULSION OF LESS THAN 0.1 MICRON IN PARTICLE DIAMETER IS INCREASED IN GAMMA WITHOUT BEING LOWERED IN SPEED THUS RESULTING IN AN IMAGE FREE FROM BLUR DUE TO RADIATION AND EXTREMELY HIGH IN ACUTANCE.
Inventors
- 👤 A Hirata
- 👤 A Kobayashi
- 👤 E Sakamoto
- 👤 S Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:20
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/12; G03C1/22
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) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |