US3705808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-sensitive material having uv irradiated polystyrene support
Assignee: Fujifilm Holdings Corp
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Filing: 1970-09-08
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Granted: 1972-12-12
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Expires: 1990-09-08
Abstract
Abstract A PROCESS OF PREPARING A POLYSTYRENE SUPPORT SURFACE FOR RECEPTION OF A PHOTOGRAPHIC EMULSION LAYER, COMPRISING APPLYING A SUB-COATING SOLUTION TO A SURFACE OF A POLYSTYRENE SUPPORT TO FORM A SUB-COATING LAYER THEREON, SAID SUB-COATING SOLUTION COMPRISING A SOLVENT OR PLASTICIZER FOR THE POLYSTYRENE AND A RESIN ADHERENT TO THE PHOTOGRAPHIC EMULSION, AND IRRADIATING THE SUPPORT SURFACE WITH ULTRA-VIOLET RADIATION.
Inventors
- 👤 Tsuneo Kasugai
- 👤 Nobuhiko Minagawa
- 👤 Hiroyuki Kurabayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:37
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/91; G03C1/915; G03C1/93
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |