US3150100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sols of zirconia and hafnia with actinide oxides
Assignee: WR Grace and Co
•
Filing: 1962-02-27
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Granted: 1964-09-22
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Expires: 1982-02-27
Abstract
No abstract record available.
Inventors
- 👤 Frederick T Fitch
- 👤 Jean G Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 00:15
CPC Classifications
B; B01; B01J; B01J13/00; B01J13/0004; B01J13/0008; B01J13/0013; B82; B82Y; B82Y30/00; C; C01; C01G; C01G25/00; C01G25/02; G; G21; G21C; G21C3/00; G21C3/42; G21C3/44; G21C3/46; G21C3/48; G21C3/58; G21C3/62; G21C3/623; C01P; C01P2002/00; C01P2002/50; C01P2002/52; C01P2002/54; C01P2002/70; C01P2002/76; C01P2004/00; C01P2004/30; C01P2004/32; C01P2004/50; C01P2004/60; C01P2004/64; C01P2004/80; C01P2004/82; C01P2006/00; C01P2006/40; C01P2006/60; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S264/00; Y10S264/19; Y10S376/00; Y10S376/90; Y10S376/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A METHOD OF PREPARING SOLS OF OXIDE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND HAFNIZ WITH OXIDES OF THE ACTINIDE METALS ABOVE URANIUM WHICH COMPRISES PREPARING A MIXED AQUEOUS SOLUTION OF THE TWO OXIDES IN THE DESIRED PROPORTIONS, HEATING THE MIXTURE TO ABOUT 100*C. TO 200*C. IN A NON-OXIDIZING ATMOSPHERE FOR A PERIOD OF TIME SUFFICIENT TO INSURE SOL FORMATION, COOLING, CONCENTRATING BY PARTICLE SEPARATION AND REDISPERSION AND RECOVERING THE PRODUCT SOL.
Claim 2
Independent Claim
74 words
A METHOD OF PREPARING SOLS OF OXIDE ELEMENTS SELECTED FROM THE GROUP CONSISTING OF ZIRCONIA AND HAFNIZ WITH OXIDES OF THE ACTINIDE METALS ABOVE URANIUM WHICH COMPRISES PREPARING A MIXED AQUEOUS SOLUTION OF THE TWO OXIDES IN THE DESIRED PROPORTIONS, HEATING THE MIXTURE TO ABOUT 100*C. TO 200*C. IN A NON-OXIDIZING ATMOSPHERE FOR A PERIOD OF TIME SUFFICIENT TO INSURE SOL FORMATION, COOLING, CONCENTRATING BY PARTICLE SEPARATION AND REDISPERSION AND RECOVERING THE PRODUCT SOL.
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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |