US3046134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sensitization of photographic silver halide emulsions with polymeric 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
- 👤 John R Dann
- 👤 Jonas J Chechak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:51
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; C; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/68; C08G63/688; C08G63/6882; C08G69/00; C08G69/42; C08G73/00; C08G73/02; C08G73/0246; C08G73/0253; C08G75/00; C08G75/02; C08G75/04; C08G75/045; C08G75/12; H; H05; H05K; H05K2201/00; H05K2201/05; H05K2201/051
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION WHICH HAS BEEN SENSITIZED WITH A LABILE SULFUR COMPOUND AND A GOLD COMPOUND, AID SILVER HALIDE EMULSION CONTAINING A SENSITIZING AMOUNT OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF (1) A LINEAR POLYMER CONTAINING AT LEAST THREE LINEAR THIOETHER ATOMS, SAID LINEAR POLYMER BEING SUBSTANTIALLY NON-VULCANIZABLE AND HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 250 AND (2) A TERNARY SULFONIUM SALT OF SAID LINEAR POLYMER.
Claim 2
Dependent Claim
72 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION WHICH HAS BEEN SENSITIZED WITH A LABILE SULFUR COMPOUND AND A GOLD COMPOUND, AID SILVER HALIDE EMULSION CONTAINING A SENSITIZING AMOUNT OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF (1) A LINEAR POLYMER CONTAINING AT LEAST THREE LINEAR THIOETHER ATOMS, SAID LINEAR POLYMER BEING SUBSTANTIALLY NON-VULCANIZABLE AND HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 250 AND (2) A TERNARY SULFONIUM SALT OF SAID LINEAR POLYMER.
References Cited (Backward Citations)
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Cited
US2347182A
Cited
US2411275A
Cited
US2423549A
Cited
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Cited
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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 |