US2899269A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing metal fluorides
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:27
CPC Classifications
C; C01; C01B; C01B9/00; C01B9/08; C01G; C01G1/00; C01G1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF PRODUCING A NON-VOLATIEL FLUORIDE OF A ZIRCONIUM-TYPE METAL OF THE GROUP CONSISTING OF ZIRCONIUM, HAFNIUM, THORIUM, NEPTUNIUM AND PLUTONIUM WHICH COMPRISES TREATING A MIXTURE OF AN OXIDE OF SAID ZIRCONIUM-TYPE ELEMENT AND AN OXIDE OF A MOLYBDENUMTYPE ELEMENT OF THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN AND URANIUM, WITH BROMINE TRIFLUORIDE.
Claim 2
Independent Claim
53 words
THE METHOD OF PRODUCING A NON-VOLATIEL FLUORIDE OF A ZIRCONIUM-TYPE METAL OF THE GROUP CONSISTING OF ZIRCONIUM, HAFNIUM, THORIUM, NEPTUNIUM AND PLUTONIUM WHICH COMPRISES TREATING A MIXTURE OF AN OXIDE OF SAID ZIRCONIUM-TYPE ELEMENT AND AN OXIDE OF A MOLYBDENUMTYPE ELEMENT OF THE GROUP CONSISTING OF MOLYBDENUM, TUNGSTEN AND URANIUM, WITH BROMINE TRIFLUORIDE.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |