US3130042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing thorium-bismuth and thorium-lead compounds
Assignee: Dow Chemical Co
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Filing: 1961-08-02
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Granted: 1964-04-21
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Expires: 1981-08-02
Abstract
No abstract record available.
Inventors
- 👤 Robert J Teitel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:33
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0291; G; G21; G21C; G21C19/00; G21C19/42; G21C19/50; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE IMPROVED METHOD OF RECOVERING URANIUM FROM A SOLID PARTICULATE THORIUM INTERMETALLIC COMPUND SELECTED FROM THE GROUP CONSISTING OF THORIUM-BISMUTH AND THORIUM-LEAD COMPUNDS, SAID THORIUM INTERMETALLIC COMPOUND BEING DISPERSED IN A LIQUID METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, LEAD AND BISMUTH-LEAD ALLOY, AND HAVING URANIUM OCCLUDED THEREIN, WHICH COMPRISES: CHANGNING AT LEAST ONE OF (1) THE TEMPERATURE OF THE SAID DISPERSION IN LIQUID METAL, AND (2) THE COMPOSITION OF THE LIQUID METAL, THE CHANGE IN SAID COMPOSITION BEING BROUGHT ABOUT BY THE ADDITION TO THE DISPERSION OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, BISMUTH, THORIUM AND MIXTURES THEREOF DIFFERING IN COMPOSITION FROM THE DISPERSION, THEREBY TO CAUSE SAID SOLID PARTICULATE THORIUM INTERMETALLIC COMPOUND TO CONVERT TO ANOTHER SOLID PARTICULATE THORIUM INTERMETALLIC COMPOUND WHILE AT ALL TIMES RETAINING BOTH A SOLID AND A LIQUID PHASE, AND THEREAFTER SEPARATING THE LIQUID PHASE FROM THE SOLID PHASE IN THE DISPERSION.
Claim 2
Dependent Claim
152 words
THE IMPROVED METHOD OF RECOVERING URANIUM FROM A SOLID PARTICULATE THORIUM INTERMETALLIC COMPUND SELECTED FROM THE GROUP CONSISTING OF THORIUM-BISMUTH AND THORIUM-LEAD COMPUNDS, SAID THORIUM INTERMETALLIC COMPOUND BEING DISPERSED IN A LIQUID METAL SELECTED FROM THE GROUP CONSISTING OF BISMUTH, LEAD AND BISMUTH-LEAD ALLOY, AND HAVING URANIUM OCCLUDED THEREIN, WHICH COMPRISES: CHANGNING AT LEAST ONE OF (1) THE TEMPERATURE OF THE SAID DISPERSION IN LIQUID METAL, AND (2) THE COMPOSITION OF THE LIQUID METAL, THE CHANGE IN SAID COMPOSITION BEING BROUGHT ABOUT BY THE ADDITION TO THE DISPERSION OF A METAL SELECTED FROM THE GROUP CONSISTING OF LEAD, BISMUTH, THORIUM AND MIXTURES THEREOF DIFFERING IN COMPOSITION FROM THE DISPERSION, THEREBY TO CAUSE SAID SOLID PARTICULATE THORIUM INTERMETALLIC COMPOUND TO CONVERT TO ANOTHER SOLID PARTICULATE THORIUM INTERMETALLIC COMPOUND WHILE AT ALL TIMES RETAINING BOTH A SOLID AND A LIQUID PHASE, AND THEREAFTER SEPARATING THE LIQUID PHASE FROM THE SOLID PHASE IN THE DISPERSION.
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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |