Patent US3128183A successfully refreshed from Google Patents.
US3128183A
Expired / Lapsed
US
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Photographic halide emulsions sensitized with alkylene oxide polymers and aliphatic amines
Assignee: Eastman Kodak Co
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Filing: 1960-06-17
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Granted: 1964-04-07
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Expires: 1980-06-17
Abstract
No abstract record available.
Inventors
- 👤 Jean E Jones
- 👤 Jr John Sagal
- 👤 Charles V Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:02
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/08; G03C1/10; G03C1/04; G03C1/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION SENSITIZED WITH FROM 0.05 TO 5.0 GRAMS PER MOLE OF SILVER HALIDE OF (A) AN ALKYLENE OXIDE POLYMER SELECTED FROM THE CLASS CONSISTING OF (1) A POLYALKYLENE GLYCOL AND (2) A CONDENSATION PRODUCT OF AN ALKYLENE OXIDE WITH AN ORGANIC COMPOUND CONTAINING AN ACTIVE HYDROGEN ATOM, SAID ALKYLENE OXIDE CONTAINING FROM 2 TO 4 CARBON ATOMS AND SAID ALKYLENE OXIDE POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 300, AND FROM 0.05 TO 2.0 GRAMS PER MOLE OF SILVER HALIDE OF (B) AN ALIPHATIC AMINE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
Claim 2
Dependent Claim
99 words
A PHOTOGRAPHIC SILVER HALIDE EMULSION SENSITIZED WITH FROM 0.05 TO 5.0 GRAMS PER MOLE OF SILVER HALIDE OF (A) AN ALKYLENE OXIDE POLYMER SELECTED FROM THE CLASS CONSISTING OF (1) A POLYALKYLENE GLYCOL AND (2) A CONDENSATION PRODUCT OF AN ALKYLENE OXIDE WITH AN ORGANIC COMPOUND CONTAINING AN ACTIVE HYDROGEN ATOM, SAID ALKYLENE OXIDE CONTAINING FROM 2 TO 4 CARBON ATOMS AND SAID ALKYLENE OXIDE POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 300, AND FROM 0.05 TO 2.0 GRAMS PER MOLE OF SILVER HALIDE OF (B) AN ALIPHATIC AMINE SELECTED FROM THOSE REPRESENTED BY THE FOLLOWING GENERAL FORMULA:
References Cited (Backward Citations)
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US1925508A
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US2743182A
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US2708162A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |