Patent US3262274A successfully refreshed from Google Patents.
US3262274A
Expired / Lapsed
US
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Containment of radioactive wastes
Assignee: Mobil Oil AS
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Filing: 1962-09-27
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Granted: 1966-07-26
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Expires: 1982-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Murrell D Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:36
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/04; G21F9/06; G21F9/16; G21F9/162; G21F9/165; G21F9/20; G21F9/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD FOR THE CONTAINMENT OF RADIOACTIVE WASTES COMPRISING THE STEPS: (A) MIXING RADIOACTIVE WASTES, AN EMULSION FORMED OF AN AQUEOUS MEDIUM, OIL, A WATER-IN-OIL EMULSIFIER IN AN AMOUNT TO EFFECT TEMPORARY EMULSIFICATION OF SAID AQUEOUS MEDIUM AND OIL, AND A SOLIDS MEDIUM COMPRISED AT LEAST IN PART OF HYDRAULIC CEMENT TO PRODUCE A CONTAINMENT COMPOSITION, SAID EMULSION CONTAINING BETWEEN ABOUT 10 AND 75 PERCENT BY VOLUME OF SAID OIL AS THE CONTINUOUS PHASE, SAID EMULSION BEING PRESENT IN THE CONTAINMENT COMPOSITION IN AN AMOUNT BETWEEN ABOUT 30 AND 70 PARTS BY WEIGHT OF THE EMULSION TO 100 PARTS BY WEIGHT OF HYDRAULIC CEMENT, (B) PASSING THE CONTAINMENT COMPOSITION INTO A SUBSURFACE STORAGE AREA, AND (C) MAINTAINING SAID COMPOSITION IN SAID STORAGE AREA UNTIL IT SETS TO THEREBY OBTAIN COMPLETE AND SAFE CONTAINMENT OF THE RADIOACTIVE WASTES.
Claim 2
Independent Claim
137 words
A METHOD FOR THE CONTAINMENT OF RADIOACTIVE WASTES COMPRISING THE STEPS: (A) MIXING RADIOACTIVE WASTES, AN EMULSION FORMED OF AN AQUEOUS MEDIUM, OIL, A WATER-IN-OIL EMULSIFIER IN AN AMOUNT TO EFFECT TEMPORARY EMULSIFICATION OF SAID AQUEOUS MEDIUM AND OIL, AND A SOLIDS MEDIUM COMPRISED AT LEAST IN PART OF HYDRAULIC CEMENT TO PRODUCE A CONTAINMENT COMPOSITION, SAID EMULSION CONTAINING BETWEEN ABOUT 10 AND 75 PERCENT BY VOLUME OF SAID OIL AS THE CONTINUOUS PHASE, SAID EMULSION BEING PRESENT IN THE CONTAINMENT COMPOSITION IN AN AMOUNT BETWEEN ABOUT 30 AND 70 PARTS BY WEIGHT OF THE EMULSION TO 100 PARTS BY WEIGHT OF HYDRAULIC CEMENT, (B) PASSING THE CONTAINMENT COMPOSITION INTO A SUBSURFACE STORAGE AREA, AND (C) MAINTAINING SAID COMPOSITION IN SAID STORAGE AREA UNTIL IT SETS TO THEREBY OBTAIN COMPLETE AND SAFE CONTAINMENT OF THE RADIOACTIVE WASTES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |