US3347675A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid homogeneous compositions containing silver halide processing agents
Assignee: Eastman Kodak Co
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Filing: 1965-06-18
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Granted: 1967-10-17
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Expires: 1985-06-18
Abstract
No abstract record available.
Inventors
- 👤 Richard W Henn
- 👤 David W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:08
CPC Classifications
G; G03; G03D; G03D9/00; G03C; G03C5/00; G03C5/26; G03C5/261; G03C5/29; G03C5/315; G03C5/38; G03C5/383; G03C5/39; G03C8/00; G03C8/40; G03C8/4006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A METHOD OF PROCESSING AN EXPOSED SILVER HALIDE EMULSION COMPRISING CONTACTING SAID EMULSION WITH A HOMOGENEOUS COMPOSITION COMPRISING A WATER-MISCIBLE ORGANIC COMPOUND CARRIER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE OXIDE POLYMERS, HYDROXYETHYL CELLULOSE, MONOSTEARIN, BEESWAX, MIXTURES OF ALKYLENE OXIDE POLYMERS WITH PROPYLENE OXIDE AND MIXTURES OF ALKYLENE OXIDE POLYMERS WITH ETHYLENE OXIDE, ORGANIC ACIDS, AND POLAR COMPOUNDS HAVING HIGH DIELECTRIC CONSTANTS CONTAINING THE ELECTRON WITHDRAWING GROUPS -SO2- AND -COREPRESENTED BY THE FORMULAS:
Claim 2
Independent Claim
73 words
A METHOD OF PROCESSING AN EXPOSED SILVER HALIDE EMULSION COMPRISING CONTACTING SAID EMULSION WITH A HOMOGENEOUS COMPOSITION COMPRISING A WATER-MISCIBLE ORGANIC COMPOUND CARRIER SELECTED FROM THE GROUP CONSISTING OF ALKYLENE OXIDE POLYMERS, HYDROXYETHYL CELLULOSE, MONOSTEARIN, BEESWAX, MIXTURES OF ALKYLENE OXIDE POLYMERS WITH PROPYLENE OXIDE AND MIXTURES OF ALKYLENE OXIDE POLYMERS WITH ETHYLENE OXIDE, ORGANIC ACIDS, AND POLAR COMPOUNDS HAVING HIGH DIELECTRIC CONSTANTS CONTAINING THE ELECTRON WITHDRAWING GROUPS -SO2- AND -COREPRESENTED BY THE FORMULAS:
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) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |