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US3258317A
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Preparation of dense uranium oxide
Assignee: Atomic Energy of Canada Ltd AECL
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Filing: 1963-04-25
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Granted: 1966-06-28
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Expires: 1983-04-25
Abstract
No abstract record available.
Inventors
- 👤 Brearton Denis Stanislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:55
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; C; C01; C01G; C01G43/00; C01G43/01; C01G43/025; C01P; C01P2006/00; C01P2006/10; C01P2006/80; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF PRODUCING A DENSE URANIUM OXIDE BODY WHICH COMPRISES COMPACTING AN URANIUM OXIDE POWDER HAVING A SURFACE AREA PER UNIT WEIGHT OF FROM 1 TO 18 SQ. METRES/GM. HEATING THE COMPACTED BODY IN A STEAM-CONTAINING ATMOSPHERE TO SINTERING TEMPERATURES, SINTERING THE COMPACTED BODY IN A STEAM ATMOSPHERE BELOW ABOUT 1450*C., AND SUBJECTING THE SINTERED BODY WHILE ABOVE ABOUT 1000*C. TO A HYDROCARBONACEOUS REDUCING GAS CONTAINING HYDROGEN IN AMOUNTS FROM ABOUT 3 TO 25 VOLUME PERCENT UNTIL THE O/U RATIO IS REDUCED TO BELOW ABOUT 2.025.
Claim 2
Independent Claim
87 words
A METHOD OF PRODUCING A DENSE URANIUM OXIDE BODY WHICH COMPRISES COMPACTING AN URANIUM OXIDE POWDER HAVING A SURFACE AREA PER UNIT WEIGHT OF FROM 1 TO 18 SQ. METRES/GM. HEATING THE COMPACTED BODY IN A STEAM-CONTAINING ATMOSPHERE TO SINTERING TEMPERATURES, SINTERING THE COMPACTED BODY IN A STEAM ATMOSPHERE BELOW ABOUT 1450*C., AND SUBJECTING THE SINTERED BODY WHILE ABOVE ABOUT 1000*C. TO A HYDROCARBONACEOUS REDUCING GAS CONTAINING HYDROGEN IN AMOUNTS FROM ABOUT 3 TO 25 VOLUME PERCENT UNTIL THE O/U RATIO IS REDUCED TO BELOW ABOUT 2.025.
References Cited (Backward Citations)
US3087876A
Cited
US3051566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |