US3158484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light-sensitive colloid silver halide photographic elements
Assignee: Gevaert Photo Producten NV
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Filing: 1961-10-24
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Granted: 1964-11-24
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Willems Jozef Frans
- 👤 Thiers Robrecht Julius
- 👤 Munck Joseph Louis De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:27
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08L; C08L67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND AT LEAST ONE GELATINO SILVER HALIDE EMULSION LAYER CONTAINING AN ALKYLENE OXIDE POLYMER IN AN AMOUNT BETWEEN 0.2 G. AND 7.00 G. PER MOLE SILVER HALIDE, SAID ALKYLENE OXIDE POLYMER BEING A CONDENSATION PRODUCT OF A POLYALKYLENE GLYCOL WITH A MOLECULAR WEIGHT BETWEEN 100 AND 1500, AND AN ORGANIC COMPOUND OF THE CLASS CONSISTING OF AN ALIPHATIC ALDEHYDE, AN ALIPHATIC DIISOCYANATE, ALKYL PHOSPHITES, ALKYL PHOSPHATES AND POLYEPOXIDES, SAID ALKYLENE OXIDE POLYMER HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
83 words
A LIGHT-SENSITIVE PHOTOGRAPHIC MATERIAL COMPRISING A SUPPORT AND AT LEAST ONE GELATINO SILVER HALIDE EMULSION LAYER CONTAINING AN ALKYLENE OXIDE POLYMER IN AN AMOUNT BETWEEN 0.2 G. AND 7.00 G. PER MOLE SILVER HALIDE, SAID ALKYLENE OXIDE POLYMER BEING A CONDENSATION PRODUCT OF A POLYALKYLENE GLYCOL WITH A MOLECULAR WEIGHT BETWEEN 100 AND 1500, AND AN ORGANIC COMPOUND OF THE CLASS CONSISTING OF AN ALIPHATIC ALDEHYDE, AN ALIPHATIC DIISOCYANATE, ALKYL PHOSPHITES, ALKYL PHOSPHATES AND POLYEPOXIDES, SAID ALKYLENE OXIDE POLYMER HAVING THE 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) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |