Patent US2953450A successfully refreshed from Google Patents.
US2953450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of ore
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-07-09
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Granted: 1960-09-20
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Expires: 1978-07-09
Abstract
No abstract record available.
Inventors
- 👤 Prentiss S Viles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:57
CPC Classifications
C; C21; C21B; C21B13/00; C21B13/0033; Y; Y02; Y02P; Y02P10/00; Y02P10/10; Y02P10/134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF CONVERSION OF IRON ORE TO SUBSTANTIALLY PURE IRON WHICH COMPRISES FORMING A MIXTURE OF IRON ORE WITH A DEHYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT MOLYBDATE AND THE METALS AND OXIDES OF NICKEL, CHROMIUM, PLATINUM, PALLADIUM AND MOLYBDENUM, AND CONTACTING THE MIXTURE WITH A NORMALLY GASEOUS HYDROCARBON AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 850* TO ABOUT 1600*F. TO REDUCE SAID IRON ORE TO SUBSTAWNTIALLY PURE IRON, AND THEN SEPARATING AND RECOVERING THE SUBSTANTIALLY PURE IRON AND CATALYST.
Claim 2
Independent Claim
84 words
A METHOD OF CONVERSION OF IRON ORE TO SUBSTANTIALLY PURE IRON WHICH COMPRISES FORMING A MIXTURE OF IRON ORE WITH A DEHYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF COBALT MOLYBDATE AND THE METALS AND OXIDES OF NICKEL, CHROMIUM, PLATINUM, PALLADIUM AND MOLYBDENUM, AND CONTACTING THE MIXTURE WITH A NORMALLY GASEOUS HYDROCARBON AT A TEMPERATURE WITHIN THE RANGE FROM ABOUT 850* TO ABOUT 1600*F. TO REDUCE SAID IRON ORE TO SUBSTAWNTIALLY PURE IRON, AND THEN SEPARATING AND RECOVERING THE SUBSTANTIALLY PURE IRON AND CATALYST.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |