Patent US2859093A successfully refreshed from Google Patents.
US2859093A
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Zirconium phosphate adsorption method
Assignee: Individual
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Filing: 1944-08-18
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Granted: 1958-11-04
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Expires: 1964-08-18
Abstract
No abstract record available.
Inventors
- 👤 Edwin R Russell
- 👤 Arthur W Adamson
- 👤 George E Boyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:20
CPC Classifications
C; C01; C01G; C01G56/00; C01G56/001; C01G56/002; G; G21; G21C; G21C19/00; G21C19/42; G21C19/44; G21C19/46; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y02W; Y02W30/00; Y02W30/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
A METHOD OF SEPARATING FISSION PRODUCT VALUES FROM PLUTONIUM VALUES PRESENT IN A MAXIMUM VALENT STATE OF +4 IN A MINERAL ACID AQUEOUS SOLUTION, WHICH COMPRISES CONTACTING SAID AQUEOUS SOLUTION WITH A SALT THE ANION OF WHICH FORMS AN INSOLUBLE COMPOUND WITH SAID PLUTONIUM VALUES WHEREBY SAID PLUTONIUM VALUES AND SOME OF SAID FISSION PRODUCT VALUES ARE ADSORBED ON SAID SALT SAID SALT BEING SELECTED FROM THE GROUP CONSISTING OF ZIRCONIUM ORTHOPHOSPHATE AND BARIUM IODATE; ELUTING SAID ADSORBED FISSION PRODUCT VALUES BY CONTACTING SAID SALT WITH A MIXTURE OF NITRIC AND PHOSPHORIC ACIDS THE TOTAL CONCENTRATION OF SAID ACIDS BEING BETWEEN 1.1 AND 3.4 N; AND THEN ELUTING SAID PLUTONIUM VALUES WITH A MINERAL ACID OF A CONCENTRATION OF ABOUT 7 N.
References Cited (Backward Citations)
US2204072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |