US3114716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing radioactive cesium sources
Assignee: Individual
•
Filing: 1962-12-28
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Granted: 1963-12-17
•
Expires: 1982-12-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Quinby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:59
CPC Classifications
G; G21; G21G; G21G4/00; G21G4/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF PREPARING A RADIOACTIVE CESIUMCONTAINING GLASS WHICH COMPRISES SUSPENDING FINELY DIVIDED SILICA IN AN AQUEOUS MEDIUM CONTAINING RADIOACTIVE CESIUM VALUES DISSOLVED THEREIN, ADDING SODIUM TETRAPHENYL BORON TO THE RESULTING SUSPENSION AT A PROPORTION OF AT LEAT ONE MOLE PER MOLE CESIUM, AGITATING THE RESULTING REACTION MASS UNTIL SAID CESIUM VALUES ARE PRECIPITATED, SEPARATING THE RESULTING SOLIDS FROM THE REMAINING MOTHER LIQUOR, HEATING SAID SOLIDS FROM THE RESOLIDS MELT, AND COOLING THE RESULTING MOLTEN MASS WHEREBY A GLASS BODY IS OBTAINED.
Claim 2
Independent Claim
82 words
THE METHOD OF PREPARING A RADIOACTIVE CESIUMCONTAINING GLASS WHICH COMPRISES SUSPENDING FINELY DIVIDED SILICA IN AN AQUEOUS MEDIUM CONTAINING RADIOACTIVE CESIUM VALUES DISSOLVED THEREIN, ADDING SODIUM TETRAPHENYL BORON TO THE RESULTING SUSPENSION AT A PROPORTION OF AT LEAT ONE MOLE PER MOLE CESIUM, AGITATING THE RESULTING REACTION MASS UNTIL SAID CESIUM VALUES ARE PRECIPITATED, SEPARATING THE RESULTING SOLIDS FROM THE REMAINING MOTHER LIQUOR, HEATING SAID SOLIDS FROM THE RESOLIDS MELT, AND COOLING THE RESULTING MOLTEN MASS WHEREBY A GLASS BODY IS OBTAINED.
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) | 1966-12-16 | 1967-06-17 | 1967-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-16 | 1971-06-17 | 1971-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-16 | 1975-06-17 | 1975-12-17 | $7700.00 | Window Closed / Lapsed |