US3046135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitization of photographic silver halide emulsions with sulfur-containing polymers
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
- 👤 Dorothy J Beavers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:46
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; C; C08; C08G; C08G69/00; C08G69/42; C08G69/48
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION CONTAINING A SENSITIZING AMOUNT OF (1) A LABILE SULFUR COMPOUND (2) A GOLD SENSITIZER AND (3) A LINEAR POLYAMIDE CONSISTING ESSENTIALLY OF POLYMER UNITS REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
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US2289775A
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US2389628A
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US2423549A
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US2699391A
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US2882161A
Cited
US2848330A
Cited
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 |