Patent US2996352A successfully refreshed from Google Patents.
US2996352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation of plutonous peroxide
Assignee: Individual
•
Filing: 1954-01-26
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Granted: 1961-08-15
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Expires: 1974-01-26
Abstract
No abstract record available.
Inventors
- 👤 James G Barrick
- 👤 Jean P Manion
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:01
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/04; C01G; C01G56/00; C01G56/004; C01G56/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PROCESS IN WHICH PLUTONIUM IS PRECIPITATED AS PLUTONOUS PEROXIDE FROM AN AQUEOUS INORGANIC ACID SOLUTION CONTAINING DISSOLVE PLUTONIUM, THE IMPROVEMENT WHICH COMPRISES SUBJECTING SAID SOLUTION, PRIOR TO THE PRECIPITATION OF PLUTONOUS PEROXIDE, TO THE ACTION OF A NITROGEN-CONTAINING REDUCING AGENT OF THE CLASS CONSISTING OF HYDROXYLAMINE AND HYDRAZINE, SAID REDUCING AGENT BEING PROVIDED IN SAID SOLUTION IN A QUANTITY WHICH IS IN STOICHIOMETRIC EXCESS OF THE QUANTITY REQUIRED TO REDUCE ALL OF SAID PLUTONIUM TO THE TETRAVALENT OXIDATION STATE, WHEREBY AT LEAST A PORTION OF SAID PLUTONIUM IS REDUCED TO THE TRIVALENT OXIDATION STATE.
Claim 2
Dependent Claim
96 words
IN A PROCESS IN WHICH PLUTONIUM IS PRECIPITATED AS PLUTONOUS PEROXIDE FROM AN AQUEOUS INORGANIC ACID SOLUTION CONTAINING DISSOLVE PLUTONIUM, THE IMPROVEMENT WHICH COMPRISES SUBJECTING SAID SOLUTION, PRIOR TO THE PRECIPITATION OF PLUTONOUS PEROXIDE, TO THE ACTION OF A NITROGEN-CONTAINING REDUCING AGENT OF THE CLASS CONSISTING OF HYDROXYLAMINE AND HYDRAZINE, SAID REDUCING AGENT BEING PROVIDED IN SAID SOLUTION IN A QUANTITY WHICH IS IN STOICHIOMETRIC EXCESS OF THE QUANTITY REQUIRED TO REDUCE ALL OF SAID PLUTONIUM TO THE TETRAVALENT OXIDATION STATE, WHEREBY AT LEAST A PORTION OF SAID PLUTONIUM IS REDUCED TO THE TRIVALENT OXIDATION STATE.
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |