US3210192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic material incorporating a phosphoric acid ester of a polyoxyalkylene compound
Assignee: Gevaert Photo Producten NV
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Filing: 1962-12-21
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Granted: 1965-10-05
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 Willems Jozef Frans
- 👤 Munck Joseph Louis De
- 👤 Thiers Robrecht Julius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:53
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/043; C; C09; C09B; C09B1/00; C09B1/50; C09B1/503
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A LIGHT-SENSITIVE PHOTOGRAPHIC MATDRIAL COMPRISING A SUPPORT AND AT LEAST ON E GELATINO SILVER HALIDE EMULSION LAYER CONTAINING A PHOSPHORIC ACID ESTER OF A POLOXYALKYLENE COMPOUND IN AN AMOUNT BETWEEN 30 MB. TO 6G. PER MOLE SILVER HALIDE SAID PHOSPHORIC ACID ESTER OF A POLYOXYALKYLENE COMPOUND BEING AN ESTER OF PHOSPHORIC ACID AND A POLYOXYALKYLENE COMPOUND CORRESPONDING TO ONE OF THE FOLLOWING GENERAL FORMULAE:
Claim 2
Dependent Claim
64 words
A LIGHT-SENSITIVE PHOTOGRAPHIC MATDRIAL COMPRISING A SUPPORT AND AT LEAST ON E GELATINO SILVER HALIDE EMULSION LAYER CONTAINING A PHOSPHORIC ACID ESTER OF A POLOXYALKYLENE COMPOUND IN AN AMOUNT BETWEEN 30 MB. TO 6G. PER MOLE SILVER HALIDE SAID PHOSPHORIC ACID ESTER OF A POLYOXYALKYLENE COMPOUND BEING AN ESTER OF PHOSPHORIC ACID AND A POLYOXYALKYLENE COMPOUND CORRESPONDING TO ONE OF THE FOLLOWING GENERAL FORMULAE:
References Cited (Backward Citations)
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Cited
US2271622A
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US2492955A
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US2755296A
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US2757089A
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US3068102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |