US3097062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of granular uraniferous material of uniform particle size
Assignee: STICHTING REACTOR CENTRUM
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Filing: 1959-05-14
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Granted: 1963-07-09
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Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Marie E A Hermans
- 👤 Plas Theo Van Der
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:49
CPC Classifications
C; C01; C01G; C01G43/00; C01G43/01; C01G43/025; B; B01; B01J; B01J2/00; G; G21; G21C; G21C3/00; G21C3/42; G21C3/44; G21C3/46; G21C3/50; G21C3/58; G21C3/62; G21C3/623; C01P; C01P2004/00; C01P2004/50; C01P2004/51; C01P2004/52; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/12; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A PROCESS OF PREPARING A URANIUM CONTAINING MATERIAL OF UNIFORM PARTICLE SIZE COMPRISING ADDING 110 TO 200 GRAMS PER LITER OF UREA TO A HOT AQUEOUS SOLUTION CONTAINING 0.2 TO 0.6 GRAM IONS OF URANYL IONS PER LITER, AND AN INITIAL NITRATE ION CONCENTRATION LESS THAN 1.8 GRAM IONS PER LITER, HOMOGENEOUSLY STIRRING SAID MIXTURE AND RAPIDLY SEPARATING, AFTER TERMINATION OF THE HOMOGENEOUS PRECIPITATION THUS BROUGHT ABOUT, THE SOLID PRECIPITATE FROM THE LIQUID AND MAINTAINING THE TEMPERATURE OF THE SOLUTION DURING THE HOMOGENOUS PRECIPITATION BETWEEN 90 AND 98*C.
Claim 2
Dependent Claim
88 words
A PROCESS OF PREPARING A URANIUM CONTAINING MATERIAL OF UNIFORM PARTICLE SIZE COMPRISING ADDING 110 TO 200 GRAMS PER LITER OF UREA TO A HOT AQUEOUS SOLUTION CONTAINING 0.2 TO 0.6 GRAM IONS OF URANYL IONS PER LITER, AND AN INITIAL NITRATE ION CONCENTRATION LESS THAN 1.8 GRAM IONS PER LITER, HOMOGENEOUSLY STIRRING SAID MIXTURE AND RAPIDLY SEPARATING, AFTER TERMINATION OF THE HOMOGENEOUS PRECIPITATION THUS BROUGHT ABOUT, THE SOLID PRECIPITATE FROM THE LIQUID AND MAINTAINING THE TEMPERATURE OF THE SOLUTION DURING THE HOMOGENOUS PRECIPITATION BETWEEN 90 AND 98*C.
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) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |