US3061431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of photopolymerization of compounds containing vinyl groups by means of uranium salts of organic acids as catalysts
Assignee: GAF Chemicals Corp
•
Filing: 1959-06-25
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Granted: 1962-10-30
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Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Levinos Steven
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:57
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/028; G03F7/029; C; C08; C08F; C08F2/00; C08F2/46; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/128
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A LIGHT SENSITIVE PHOTOGRAPHIC MATERIAL COMPRISING A BASE COATED WITH A GELATIN LAYER CONTAINING AN ETHYLENICALLY UNSATURATED COMPOUND, A CROSS-LINKING AGENT CONTAINING AT LEAST TWO VINYL GROUPS AND CONTAINING AS THE SOLE POLYMERIZATION CATALYST A CATALYTIC AMOUNT OF A URANYL SALT OF AN ORGANIC ACID HAVING NO MORE THAN EIGHT CARBON ATOMS, SAID CARRIER CONTAINING A SUFFICIENT AMOUNT OF WATER TO PERMIT UPON EXPOSURE TO LIGHT, THE INDUCTION OF PHOTOPOLYMERIZATION.
Claim 2
Dependent Claim
70 words
A LIGHT SENSITIVE PHOTOGRAPHIC MATERIAL COMPRISING A BASE COATED WITH A GELATIN LAYER CONTAINING AN ETHYLENICALLY UNSATURATED COMPOUND, A CROSS-LINKING AGENT CONTAINING AT LEAST TWO VINYL GROUPS AND CONTAINING AS THE SOLE POLYMERIZATION CATALYST A CATALYTIC AMOUNT OF A URANYL SALT OF AN ORGANIC ACID HAVING NO MORE THAN EIGHT CARBON ATOMS, SAID CARRIER CONTAINING A SUFFICIENT AMOUNT OF WATER TO PERMIT UPON EXPOSURE TO LIGHT, THE INDUCTION OF PHOTOPOLYMERIZATION.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |