US3737373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of decontaminating heavy water cooled and moderated reactor
Assignee: ATOMIC ENERGY RESE INST
•
Filing: 1971-06-28
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Granted: 1973-06-05
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Expires: 1991-06-28
Abstract
Abstract A HEAVY WATER COOLED AND MODERATED REACTOR, ITS NUCLEAR FUEL ASSEMBLIES, ATTACHED PIPINGS AND CONTAINER CAN ADVANTAGEOUSLY BE DECONTAMINATED BY EMPLOYING A HEAVY WATER SOLUTION OF DEUTERATED OXALIC ACID. THE RADIOACTIVE SUBSTANCES, REACTOR MATERIALS, AND/OR NUCLEAR FUELS ELUTED IN THE SOLUTION ARE REMOVED BY DECOMPOSING THE DEUTERATED OXALIC ACID BY MEANS OF AN IONIZING RADIATION.
Inventors
- 👤 K Motojima
- 👤 H Sakurai
- 👤 H Onishi
- 👤 Y Sasaki
- 👤 M Koike
- 👤 K Ueno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:27
CPC Classifications
G; G21; G21C; G21C19/00; G21C19/28; G21C19/30; G21C19/307; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 0
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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) | 1976-06-04 | 1976-12-04 | 1977-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-04 | 1980-12-04 | 1981-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-04 | 1984-12-04 | 1985-06-05 | $7700.00 | Window Closed / Lapsed |