US2903402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of valuable material from graphite bodies
Assignee: Individual
•
Filing: 1951-09-26
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Granted: 1959-09-08
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Expires: 1971-09-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Leonard W Fromm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:27
CPC Classifications
C; C25; C25C; C25C1/00; C25C1/22; C25B; C25B1/00; C25B1/01; G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A METHOD FOR RECOVERY OF URANIUM VALUES FROM A GRAPHITE BODY CONTAINING THE SAME IN THE FORM OF URANIUM OXIDE DIPERSED THEREIN, WHICH COMPRISES DISPOSING SAID GRAPHITE BODY AS AN ONODE IN AN ELECTROLYTIC CELL THE ELECTROLYTE SOLUTION OF WHICH IS CONSTITUTED OF AN AQUEOUS ACIDIC SOLVENT FOR URANIUM OXIDE AND CONTAINS AN OXYGEN-CONTAINING OXIDIZING ANION IN AQUEOUS SOLUTION, PASSING AN ELECTRICAL CURRENT THROUGH AN ELECTROLYTIC CIRCUIT COMPRISING SAID ANODE AND SAID ELECTROLYTE SOLUTION TO THEREBY INDUCE A PROGRESSIVE ANODIC DISINTEGRATION OF SAID GRAPHITE BODY AND, CONCOMITANTLY, LIBERATE SAID URANIUM OXIDE, WHICH IS THEREUPON DISSOLVED IN THE ELECTROLYTE SOLUTION, AND THEREAFTER SEPARATING THE URANIUM-
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) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |