US2567145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing uranium pentafluoride
Assignee: Individual
•
Filing: 1945-12-07
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Granted: 1951-09-04
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Expires: 1965-12-07
Abstract
No abstract record available.
Inventors
- 👤 Charles J Carignan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:01
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR PREPARING URANIUM PENTAFLUORIDE WHICH COMPRISES REACTING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM PENTACHLORIDE, URANIUM HEXACHLORIDE AND MIXTURES THEREOF WITH ANHYDROUS HYDROGEN FLUORIDE AT A TEMPERATURE WITHIN THE RANGE OF BETWEEN -33* C. AND 25* C., SUBSEQUENTLY HEATING THE REACTION PRODUCTS AT A TEMPERATURE OF ABOUT 25* C. UNDER A VACUO OF 1X10-3 MM. HG TO DRIVE OFF UNREACTED HYDROGEN FLUORIDE AND GASEOUS REACTION PRODUCTS, AND THEN RECOVERING ANHYDROUS URANIUM PENTAFLUORIDE.
Claim 2
Dependent Claim
76 words
A PROCESS FOR PREPARING URANIUM PENTAFLUORIDE WHICH COMPRISES REACTING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF URANIUM PENTACHLORIDE, URANIUM HEXACHLORIDE AND MIXTURES THEREOF WITH ANHYDROUS HYDROGEN FLUORIDE AT A TEMPERATURE WITHIN THE RANGE OF BETWEEN -33* C. AND 25* C., SUBSEQUENTLY HEATING THE REACTION PRODUCTS AT A TEMPERATURE OF ABOUT 25* C. UNDER A VACUO OF 1X10-3 MM. HG TO DRIVE OFF UNREACTED HYDROGEN FLUORIDE AND GASEOUS REACTION PRODUCTS, AND THEN RECOVERING ANHYDROUS URANIUM PENTAFLUORIDE.
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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |