US3597208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing photographic light-sensitive elements
Assignee: Fujifilm Holdings Corp
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Filing: 1967-03-08
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Granted: 1971-08-03
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Expires: 1987-03-08
Abstract
Abstract THE SUSCEPTIVITY OF THE SURFACE OF A PHOTOGRAPHIC LIGHT SENSITIVE ELEMENT TO HUMIDITY CAN BE DECREASED AND THE ADHESION OF THE PHOTOGRAPHIC LIGHT SENSITIVE ELEMENT TO ITSELF OR TO OTHER SURFACES CAN BE COMPLETELY PREVENTED BY APPLYING TO THE SURFACE OF THE PHOTOGRAPHIC LIGHT SENSITIVE ELEMENT OR ORGANIC SOLVENT SOLUTION CONTAINING AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF A STYRENEMALEIC ANHYDRIDE COPOLYMER, A PARTIAL HALF-ESTER COPOLYMER THEREOF, AND COMPLETE HALF-ESTER COPOLYMER THEREOF AND DRYING IT.
Inventors
- 👤 Fumihiko Nishio
- 👤 Nobuo Tsuji
- 👤 Azusa Ohashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:36
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/81; G03C1/7614; Y; Y10; Y10S; Y10S430/00; Y10S430/136; Y10S430/155
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |