US3046132A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitization of photographic silver halide emulsions with polyester compounds containing a plurality of sulfur atoms
Assignee: Eastman Kodak Co
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Filing: 1958-12-12
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Granted: 1962-07-24
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Expires: 1978-12-12
Abstract
No abstract record available.
Inventors
- 👤 Louis M Minsk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:07
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; C; C08; C08G; C08G63/00; C08G63/68; C08G63/688; C08G63/6884; C08G63/6886
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
45 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION SENSITIZED WITH (1) A GOLD COMPOUND AND (2) A COMPOUND CONTAINING A LABILE SULFUR ATOM AND CONTAINING A SENSITIZING AMOUNT OF (3) A LINEAR POLYESTER, THE POLYMERIC CHAIN OF WHICH CONSISTS ESSENTIALLY OF GROUPS REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |