US2898185A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adsorption method for separating thorium values from uranium values
Assignee: Individual
•
Filing: 1949-09-14
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Granted: 1959-08-04
•
Expires: 1969-09-14
Abstract
No abstract record available.
Inventors
- 👤 George E Boyd
- 👤 Edwin R Russell
- 👤 Schubert Jack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:28
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C22; C22B; C22B3/00; C22B3/20; C22B3/42; C22B60/00; C22B60/02; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/0265; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02P; Y02P10/00; Y02P10/20; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A METHOD OF SEPARATING THORIUM IONS FORM URANIUM IONS IN AN AQUEOUS SOLUTION CONTAINING IONS OF URANYL URANIUM AND IONS OF THORIUM, WHICH COMPRISES CONTACTING SAID SOLUTION WITH A CATION EXCHANGE RESIN IN AN AMOUNT SUFFICIENT TO OBSORB SUBSTANTIALLY ALL OF THE THORIUM IONS BUT INSUFFICIENT TO ADSORB ALL OF THE THORIUM IONS AND SEPARATING THE SOLUTION CONTAINING UNADSORBED URANIUM IONS FROM THE CATION EXCHANGE RESIN CONTAINING THORIUM VALUES.
Claim 2
Independent Claim
69 words
A METHOD OF SEPARATING THORIUM IONS FORM URANIUM IONS IN AN AQUEOUS SOLUTION CONTAINING IONS OF URANYL URANIUM AND IONS OF THORIUM, WHICH COMPRISES CONTACTING SAID SOLUTION WITH A CATION EXCHANGE RESIN IN AN AMOUNT SUFFICIENT TO OBSORB SUBSTANTIALLY ALL OF THE THORIUM IONS BUT INSUFFICIENT TO ADSORB ALL OF THE THORIUM IONS AND SEPARATING THE SOLUTION CONTAINING UNADSORBED URANIUM IONS FROM THE CATION EXCHANGE RESIN CONTAINING THORIUM VALUES.
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) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |