US3178256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating transplutonium elements from rare earth fission products
Assignee: Individual
•
Filing: 1960-11-25
•
Granted: 1965-04-13
•
Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Fletcher L Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:29
CPC Classifications
C; C22; C22B; C22B60/00; C22B60/02; C22B60/0295; C01; C01G; C01G56/00; C01G56/001; C01G99/00; C01G99/006; C22B60/0204; C22B60/0217; C22B60/0252; C22B60/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR RECOVERING TRANSPLUTONIUM VALUES SELECTED FROM THE GROUP CONSISTING OF TRIVALENT AMERICIUM AND CURIUM FROM AN AQUEOUS SOLUTION CONTAINING SAID VALUES TOGETHER WITH RARE EARTH FISSION PRODUCT VALUES COMPRISING PROVIDING LITHIUM CHLORIDE IN SAID AQUEOUS SOLUTION IN A CONCENTRATION OF AT LEAST 9 MOLAR AND ADJUSTING THE PH OF SAID SOLUTION TO A VALUE LESS THAN 5, CONTACTING THE RESULTING AQUEOUS SOLUTION WITH AN ORGANIC SOLUTION COMPRISING A TERTIARY AMINE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
76 words
A PROCESS FOR RECOVERING TRANSPLUTONIUM VALUES SELECTED FROM THE GROUP CONSISTING OF TRIVALENT AMERICIUM AND CURIUM FROM AN AQUEOUS SOLUTION CONTAINING SAID VALUES TOGETHER WITH RARE EARTH FISSION PRODUCT VALUES COMPRISING PROVIDING LITHIUM CHLORIDE IN SAID AQUEOUS SOLUTION IN A CONCENTRATION OF AT LEAST 9 MOLAR AND ADJUSTING THE PH OF SAID SOLUTION TO A VALUE LESS THAN 5, CONTACTING THE RESULTING AQUEOUS SOLUTION WITH AN ORGANIC SOLUTION COMPRISING A TERTIARY AMINE REPRESENTED BY THE FORMULA
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |