US2918349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extraction of plutonium values from organic solutions
Assignee: Individual
•
Filing: 1945-10-12
•
Granted: 1959-12-22
•
Expires: 1965-10-12
Abstract
No abstract record available.
Inventors
- 👤 Glenn T Seaborg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:23
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/001
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A PROCESS FOR THE SEPARATION OF PLUTONMIUM FROM A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT SOLUTION CONTAINING IONIC PLUTONIUM IN AN OXIDATION STATE OF AT LEAST +4 WHICH COMPRISES BRINGING THE PLUTONIUM INTO CONTACT WITH AN AQUEOUS NITRIC ACID SOLUTION IN THE ABSENCE OF A REDUCING AGENT AND SEPARATING THE RESULTING EXTRACT AND RAFFINATE PHASES.
Claim 2
Dependent Claim
53 words
A PROCESS FOR THE SEPARATION OF PLUTONMIUM FROM A SUBSTANTIALLY WATER-IMMISCIBLE ORGANIC SOLVENT SOLUTION CONTAINING IONIC PLUTONIUM IN AN OXIDATION STATE OF AT LEAST +4 WHICH COMPRISES BRINGING THE PLUTONIUM INTO CONTACT WITH AN AQUEOUS NITRIC ACID SOLUTION IN THE ABSENCE OF A REDUCING AGENT AND SEPARATING THE RESULTING EXTRACT AND RAFFINATE PHASES.
References Cited (Backward Citations)
US2227833A
Cited
US2811415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |