US2819144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of plutonium from uranium and fission products by adsorption
Assignee: Individual
•
Filing: 1943-05-18
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Granted: 1958-01-07
•
Expires: 1963-05-18
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Seaborg
- 👤 John E Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:46
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0265; 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: 4
Claim 1
Independent Claim
104 words
IN THE PROCESS OF SEPARATING PLUTONIUM FROM FISSION PRODUCTS IN A SOLUTION CONTAINING IONS OF A COMPOUND OF PLUTONIUM IN WHICH THE PLUTONIUM IONS ARE IN A VALENT STATE NOT GREATER THAN +4 AND IONS OF COMPOUNDS OF FISSION PRODUCTS, THE STEP OF CONTACTING THE SOLUTION WITH AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF DIATOMACEOUS EARTH, SILICA GEL, FULLER''S EARTH, ALUMINUM OXIDE, MAGNESIUM SILICATES, AND ADSORBENT CARBON TO SELECTIVELY ADSORB SAID PLUTONIUM IONS FROM SOLUTION LEAVING IONS OF COMPOUNDS OF FISSION PRODUCTS IN SAID SOLUTION, AND THEN SEPARATING THE ADSORBENT AND ADSORBED PLUTONIUM FROM THE SOLUTION CONTAINING THE IONS OF UNADSORBED FISSION PRODUCTS.
Claim 2
Dependent Claim
104 words
IN THE PROCESS OF SEPARATING PLUTONIUM FROM FISSION PRODUCTS IN A SOLUTION CONTAINING IONS OF A COMPOUND OF PLUTONIUM IN WHICH THE PLUTONIUM IONS ARE IN A VALENT STATE NOT GREATER THAN +4 AND IONS OF COMPOUNDS OF FISSION PRODUCTS, THE STEP OF CONTACTING THE SOLUTION WITH AN ADSORBENT SELECTED FROM THE GROUP CONSISTING OF DIATOMACEOUS EARTH, SILICA GEL, FULLER''S EARTH, ALUMINUM OXIDE, MAGNESIUM SILICATES, AND ADSORBENT CARBON TO SELECTIVELY ADSORB SAID PLUTONIUM IONS FROM SOLUTION LEAVING IONS OF COMPOUNDS OF FISSION PRODUCTS IN SAID SOLUTION, AND THEN SEPARATING THE ADSORBENT AND ADSORBED PLUTONIUM FROM THE SOLUTION CONTAINING THE IONS OF UNADSORBED FISSION PRODUCTS.
Claim 3
Dependent Claim
25 words
THE STEP IN THE PROCESS OF RECOVERING PLUTONIUM BY ADSORPTION WHICH CONSISTS OF DESORBING THE ADSORBED PLUTONIUM COMPOUND WITH AN AQUEOUS SOLUTION OF AMMONIUM CARBONATE.
Claim 4
Dependent Claim
25 words
THE STEP IN THE PROCESS OF RECOVERING PLUTONIUM BY ADSORPTION WHICH CONSISTS OF DESORBING THE ADSORBED PLUTONIUM COMPOUND WITH AN AQUEOUS SOLUTION OF AMMONIUM CARBONATE.
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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |