Patent US2992249A successfully refreshed from Google Patents.
US2992249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion exchange adsorption process for plutonium separation
Assignee: Individual
•
Filing: 1948-11-19
•
Granted: 1961-07-11
•
Expires: 1968-11-19
Abstract
No abstract record available.
Inventors
- 👤 George E Boyd
- 👤 Edwin R Russell
- 👤 Moddie D Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:54
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; C22; C22B; C22B3/00; C22B3/20; C22B3/26; C22B3/32; C22B3/42; 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
85 words
A PROCESS OF SEPARATING PLUTONIUM FROM A LIQUID CONTAINING THE SAME WHICH COMPRISES CONTACTING SAID LIQUID WITH AN ADSORBENT UNDER CONDITIONS FAVORING THE ADSORPTION OF PLUTONIUM, THEN WITH THE ADSORBENT DISPOSED IN THE CONFIGURATION OF A BED PASSING THERETHROUGH AN AQUEOUS SOLUTION HAVING A CONCENTRATION GREATER THAN 2% BY WEIGHT OF A CARBOXYLIC ACID HAVING PRESENT IN ITS MOLECULE A SECOND RADICAL CHOSEN FROM THE GROUP OF RADICALS CONSISTING OF CARBOXYL, HYDROXYL, AMINO, AND CARBONYL RADICALS TO ELUTE AT LEAST A PORTION OF SAID PLUTONIUM.
Claim 2
Dependent Claim
85 words
A PROCESS OF SEPARATING PLUTONIUM FROM A LIQUID CONTAINING THE SAME WHICH COMPRISES CONTACTING SAID LIQUID WITH AN ADSORBENT UNDER CONDITIONS FAVORING THE ADSORPTION OF PLUTONIUM, THEN WITH THE ADSORBENT DISPOSED IN THE CONFIGURATION OF A BED PASSING THERETHROUGH AN AQUEOUS SOLUTION HAVING A CONCENTRATION GREATER THAN 2% BY WEIGHT OF A CARBOXYLIC ACID HAVING PRESENT IN ITS MOLECULE A SECOND RADICAL CHOSEN FROM THE GROUP OF RADICALS CONSISTING OF CARBOXYL, HYDROXYL, AMINO, AND CARBONYL RADICALS TO ELUTE AT LEAST A PORTION OF SAID PLUTONIUM.
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) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |