US2807519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of an activated form of uo
Assignee: Individual
•
Filing: 1946-03-11
•
Granted: 1957-09-24
•
Expires: 1966-03-11
Abstract
No abstract record available.
Inventors
- 👤 Milton J Polissar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:48
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/01; C01G43/025
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
THE PROCESS FOR THE PRODUCTION OF A FORM OF UO2 WHICH IS CHARACTERIZED BY RAPID OXIDATION IN ORDIANRY AIR AT ROOM TEMPERATURE AND BY RAPID CHLORINATION WITH CARBON TETRACHLORIDE AT AN ELEVATED TEMPERATURE COMPRISING HEATING A MATERIAL SELECTED FROM THE GROUP CONSISTING OF UO3, U3O8 AND DUO2 TO A TEMPERATURE BETWEEN 335*C. AND 485*C., CONTACTING THE HEATED MATERIAL WITH NATURAL GAS CONSISTING ESSENTIALLY OF CH4, FLUSHING THE REACTION CHAMBER CLEAR OF REACTION GASES AND EXCESS NATURAL GAS WITH NITROGEN, CONTACTING THE RESULTING METHANE TREATED PRODUCT WITH AN OXYGEN CONTAINING GAS, SWEEPING THE REACTION CHAMBER CLEAR OF GASEOUS REACTION PRODUCTS AND EXCESS OXYGEN WITH NITROGEN, AND THEN CONTACTING THE RESULTING OXIDIZED URANIUM OXIDE WITH A METHANE CONTAINING GAS.
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) | 1960-09-23 | 1961-03-25 | 1961-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-23 | 1965-03-25 | 1965-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-23 | 1969-03-25 | 1969-09-24 | $7700.00 | Window Closed / Lapsed |