US2970035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separation of plutonium ions from solution by adsorption on zirconium pyrophosphate
Assignee: Individual
•
Filing: 1944-12-19
•
Granted: 1961-01-31
•
Expires: 1964-12-19
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Stoughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:44
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF SEPARATING PLUTONIUM FROM OTHER SUBSTANCES PRESENT IN A SOLUTION CONTAINING IONS OF A COMPOUND OF PLUTONIUM IN WHICH THE PLUTONIUM IS IN ITS REDUCED, PHOSPHATE-INSOLUBLE STATE AND IONS OF OTHER SUBSTANCES WHICH COMPRISES CONTACTING THE SOLUTION WITH GRANULAR ZIRCONIUM PYROPHOSPHATE WHEREBY SAID PLUTONIUM IONS ARE ABSORBED LEAVING THE IONS OF THE OTHER SUBSTANCES IN SOLUTION.
Claim 2
Independent Claim
58 words
A METHOD OF SEPARATING PLUTONIUM FROM OTHER SUBSTANCES PRESENT IN A SOLUTION CONTAINING IONS OF A COMPOUND OF PLUTONIUM IN WHICH THE PLUTONIUM IS IN ITS REDUCED, PHOSPHATE-INSOLUBLE STATE AND IONS OF OTHER SUBSTANCES WHICH COMPRISES CONTACTING THE SOLUTION WITH GRANULAR ZIRCONIUM PYROPHOSPHATE WHEREBY SAID PLUTONIUM IONS ARE ABSORBED LEAVING THE IONS OF THE OTHER SUBSTANCES IN SOLUTION.
References Cited (Backward Citations)
US1059531A
Cited
US1976875A
Cited
US2038078A
Cited
US2336793A
Cited
US2367877A
Cited
US2349243A
Cited
US2799553A
Cited
US2859093A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-31 | 1964-08-01 | 1965-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-31 | 1968-08-01 | 1969-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-31 | 1972-08-01 | 1973-01-31 | $7700.00 | Window Closed / Lapsed |