US3035895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of high-density, compactible thorium oxide particles
Assignee: Individual
•
Filing: 1960-11-25
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Granted: 1962-05-22
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth H Mccorkle
- 👤 Alfred T Kleinsteuber
- 👤 Schilling Charles Edmund
- 👤 Orlen C Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:21
CPC Classifications
G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; B; B01; B01J; B01J2/00; C; C01; C01B; C01B13/00; C01B13/14; C01F; C01F15/00; Y; Y02; Y02E; Y02E30/00; Y02E30/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
THE METHOD OF PREPARING LARGE, HIGH-DENSITY THORIUM OXIDE PARTICLES WHICH COMPRISES FPRMING PERCENT RESIDUAL THORIUM OXIDE CONTAINING 3,5 TO 7 WEIGHT PERCENT RESIDUAL VOLATILES, SAID RESIDUAL VOLATILES COMPRISING SUBSTANTIALLY EQUIVALENT PROPORTIONS OF NITRATE AND WATER, BY DRIVING A NITRATE-CONTAINING THORIUM OXIDE, SOL AT A TEMPERATURE FROM APPROXIMATELY 50*C. TO 100*C., HEATING SAID DRIED GEL TO A TEMPERATURE OF AT LEAST APPROXIMATELY AT A RATE OF TEMPERATURE INCREASE LESS THAN APPROXIMATELY 100*C, PER HOUR AND RAPIDLY CALCINING THE RESULTING HEATED SOLIDS AT A TEMPERATURE OF AT LEAST APPROXIMATELY 1150*C.
Claim 2
Independent Claim
88 words
THE METHOD OF PREPARING LARGE, HIGH-DENSITY THORIUM OXIDE PARTICLES WHICH COMPRISES FPRMING PERCENT RESIDUAL THORIUM OXIDE CONTAINING 3,5 TO 7 WEIGHT PERCENT RESIDUAL VOLATILES, SAID RESIDUAL VOLATILES COMPRISING SUBSTANTIALLY EQUIVALENT PROPORTIONS OF NITRATE AND WATER, BY DRIVING A NITRATE-CONTAINING THORIUM OXIDE, SOL AT A TEMPERATURE FROM APPROXIMATELY 50*C. TO 100*C., HEATING SAID DRIED GEL TO A TEMPERATURE OF AT LEAST APPROXIMATELY AT A RATE OF TEMPERATURE INCREASE LESS THAN APPROXIMATELY 100*C, PER HOUR AND RAPIDLY CALCINING THE RESULTING HEATED SOLIDS AT A TEMPERATURE OF AT LEAST APPROXIMATELY 1150*C.
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |