US3311565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single solution decontamination treatment
Assignee: Westinghouse Electric Corp
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Filing: 1962-09-21
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Granted: 1967-03-28
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Expires: 1982-09-21
Abstract
No abstract record available.
Inventors
- 👤 Michael Norman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:52
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/001; G21F9/002; G21F9/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A METHOD OF DECONTAMINATING A METAL SURFACE COATED WITH A RADIOACTIVE SCALE WHICH COMPRISED FLUSHING SAID SURFACE CONTINUOUSLY WITH A DILUTE AQUEOUS SOLUTION CONSISTING OF AMMONIUM BIFLUORIDE IN A CONCENTRATION OF ABOUT 1% AND A CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF POTASSIUM ACID PHTHALATE, AMMONIUM BENZOATE, AMMONIUM SALICYLATE, SODIUM BENZOATE, AND SODIUM SALICYLATE, SAID INHIBITOR BEING PRESENT IN A CONCENTRATION OF ABOUT 0.5% TO ABOUT 5%.
Claim 2
Independent Claim
68 words
A METHOD OF DECONTAMINATING A METAL SURFACE COATED WITH A RADIOACTIVE SCALE WHICH COMPRISED FLUSHING SAID SURFACE CONTINUOUSLY WITH A DILUTE AQUEOUS SOLUTION CONSISTING OF AMMONIUM BIFLUORIDE IN A CONCENTRATION OF ABOUT 1% AND A CORROSION INHIBITOR SELECTED FROM THE GROUP CONSISTING OF POTASSIUM ACID PHTHALATE, AMMONIUM BENZOATE, AMMONIUM SALICYLATE, SODIUM BENZOATE, AND SODIUM SALICYLATE, SAID INHIBITOR BEING PRESENT IN A CONCENTRATION OF ABOUT 0.5% TO ABOUT 5%.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |