US3298961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Concentration and containment of radioactivity from radioactive waste solutions in asphalt
Assignee: Individual
•
Filing: 1965-08-26
•
Granted: 1967-01-17
•
Expires: 1985-08-26
Abstract
No abstract record available.
Inventors
- 👤 George D Davis
- 👤 Edward J Frederick
- 👤 Herschel W Godbee
- 👤 John M Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:54
CPC Classifications
G; G21; G21F; G21F9/00; G21F9/04; G21F9/06; G21F9/16; G21F9/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A METHOD OF CONCENTRATING AND CONTAINING THE SOLID CONTENT OF AN INTERMEDIATE LEVEL RADIOACTIVE SOLUTION WHICH COMPRISES MIXING SAID SOLUTION WITH EMULSIFIED ASPHALT, EVAPORATING ESSENTIALLY ALL OF THE WATER CONTENT OF SAID MIXTURE AT A TEMPERATURE NO GRETER THAN 160*C., AND THEN FLOWING THE RESULTANT ASPHALT COMPOSITION INTO A CONTAINER TO SOLIDIFY IN A DESIRED CONFIGURATION.
Claim 2
Independent Claim
56 words
A METHOD OF CONCENTRATING AND CONTAINING THE SOLID CONTENT OF AN INTERMEDIATE LEVEL RADIOACTIVE SOLUTION WHICH COMPRISES MIXING SAID SOLUTION WITH EMULSIFIED ASPHALT, EVAPORATING ESSENTIALLY ALL OF THE WATER CONTENT OF SAID MIXTURE AT A TEMPERATURE NO GRETER THAN 160*C., AND THEN FLOWING THE RESULTANT ASPHALT COMPOSITION INTO A CONTAINER TO SOLIDIFY IN A DESIRED CONFIGURATION.
References Cited (Backward Citations)
US3142648A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |