US2907630A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of uranium hexafluoride
Assignee: Individual
•
Filing: 1958-02-06
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Granted: 1959-10-06
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Expires: 1978-02-06
Abstract
No abstract record available.
Inventors
- 👤 Lawroski Stephen
- 👤 Albert A Jonke
- 👤 Robert K Steunenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:01
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06; C01G43/063; C01G43/066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PROCESS FOR PREPARING URANIUM HEXAFLUORIDE FROM A CARBONATE-LEACH CONCENTRATE OF URANIUM ORE COMPRISING BRIQUETTING, CRUSHING AND SCREENING THE CONCENTRATE TO OBTAIN A MATERIAL SUITABLE FOR FLUIDIZATION, REDUCING AN HYDROFLUORINATING THE CONCENTRATE IN FLUIDIZED BED REACTORS, FLUORINATING THE RESULTING CRUDE URANIUM TETRAFLUORIDE IN ADMIXTURE WITH AT LEAST AN EQUAL QUANTITY OF AN INERT SOLID DILUENT IN A FLUIDIZED BED REACTOR, AND
Claim 2
Dependent Claim
61 words
A PROCESS FOR PREPARING URANIUM HEXAFLUORIDE FROM A CARBONATE-LEACH CONCENTRATE OF URANIUM ORE COMPRISING BRIQUETTING, CRUSHING AND SCREENING THE CONCENTRATE TO OBTAIN A MATERIAL SUITABLE FOR FLUIDIZATION, REDUCING AN HYDROFLUORINATING THE CONCENTRATE IN FLUIDIZED BED REACTORS, FLUORINATING THE RESULTING CRUDE URANIUM TETRAFLUORIDE IN ADMIXTURE WITH AT LEAST AN EQUAL QUANTITY OF AN INERT SOLID DILUENT IN A FLUIDIZED BED REACTOR, AND
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |