US3598599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymeric thiazole fog stabilizers for photographic emulsions
Assignee: Eastman Kodak Co
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Filing: 1967-10-09
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Granted: 1971-08-10
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Expires: 1987-10-09
Abstract
Abstract POLYMER THIAZOLES CONTAINING THIAZOLE GROUPS EITHER INCORPORATED INTO THE POLYMER CHAIN OR APPENDED TO THE POLYMER BACKBONE AND PHOTOGRAPHIC SILVER HALIDE EMULSIONS OR PHOTOGRAPHIC ELEMENTS CONTAINING FOG-STABILIZING AMOUNTS OF SUCH POLYMERIC THIAZOLES.
Inventors
- 👤 Richard C Tuites
- 👤 Louis M Minsk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:24
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/053; C; C08; C08F; C08F8/00; C08F8/34; C08F8/44; C08G; C08G69/00; C08G69/42
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |