US2964455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron irradiation of organic polyethers
Assignee: EIDP Inc
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Filing: 1956-11-05
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Granted: 1960-12-13
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Expires: 1976-11-05
Abstract
No abstract record available.
Inventors
- 👤 Graham Boynton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:35
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; B01J19/085; C; C08; C08J; C08J3/00; C08J3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
THE PROCESS OF IMPROVING THE PLIABILITY OF AN ORGANIC POLYETHER WHICH COMPRISES SUBJECTING THE SAME IN A SEMI-SOLID TO MOLTEN RATE TO BETWEEN ABOUT 1.0 AND 15,000 WATT-SEC/CM.2 OF SURFACE THEREOF OF ACCELERATED ELECTRONS AT A TEMPERATURE OF ABOUT 35-200* C. BUT ABOVE ITS CRYSTALLINE MELTING POINT, SAID ORGANIC POLYETHER HAVING A CRYSTALLINE MELTING POINT OF AT LEAST ABOUT 35* C., A MOLECULAR WEIGHT IN EXCESS OF 1000 AND A CARBON: ETHEROXYGEN RATIO BETWEEN ABOUT 2:1 AND 10:1,
Claim 2
Dependent Claim
78 words
THE PROCESS OF IMPROVING THE PLIABILITY OF AN ORGANIC POLYETHER WHICH COMPRISES SUBJECTING THE SAME IN A SEMI-SOLID TO MOLTEN RATE TO BETWEEN ABOUT 1.0 AND 15,000 WATT-SEC/CM.2 OF SURFACE THEREOF OF ACCELERATED ELECTRONS AT A TEMPERATURE OF ABOUT 35-200* C. BUT ABOVE ITS CRYSTALLINE MELTING POINT, SAID ORGANIC POLYETHER HAVING A CRYSTALLINE MELTING POINT OF AT LEAST ABOUT 35* C., A MOLECULAR WEIGHT IN EXCESS OF 1000 AND A CARBON: ETHEROXYGEN RATIO BETWEEN ABOUT 2:1 AND 10:1,
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) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |