US2674518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of uranium tetrafluoride
Assignee: Individual
•
Filing: 1946-02-20
•
Granted: 1954-04-06
•
Expires: 1966-02-20
Abstract
No abstract record available.
Inventors
- 👤 Evers E Charles
- 👤 Myron B Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:07
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/04; C01G43/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
THE PROCESS OF PREPARING URANIUM TETRAFLUORIDE WHICH COMPRISES REACTING AN OXIDE OF URANIUM WITH A FLUOROCHLOROCARBON SELECTED FROM THE GROUP CONSISTING OF TETRAFLUORODICHLOROETHANE AND DICHLORODIFLUOROMETHANE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 350* C. TO ABOUT 700* C., AND RECOVERING THE URANIUM TETRAFLUORIDE THEREBY PRODUCED.
Claim 2
Dependent Claim
47 words
THE PROCESS OF PREPARING URANIUM TETRAFLUORIDE WHICH COMPRISES REACTING AN OXIDE OF URANIUM WITH A FLUOROCHLOROCARBON SELECTED FROM THE GROUP CONSISTING OF TETRAFLUORODICHLOROETHANE AND DICHLORODIFLUOROMETHANE AT A TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 350* C. TO ABOUT 700* C., AND RECOVERING THE URANIUM TETRAFLUORIDE THEREBY PRODUCED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |