US2767202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydrogenation of carbon monoxides
Assignee: Lurgi Gesellschaft fuer Waermetechnik mbH
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Filing: 1953-01-27
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Granted: 1956-10-16
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Expires: 1973-01-27
Abstract
No abstract record available.
Inventors
- 👤 Rottig Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:02
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/14; B01J27/185; B01J27/1853; B01J23/00; B01J23/70; B01J23/76
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
IN THE PROCESS FOR THE CATALYTIC HYDROGENATION OF CARBON MONOXIDE, THE IMPROVEMENT WHICH COMPRISES CONTACTING A CARBON MONOXIDE HYDROGEN-CONTAINING SYTHESIS GAS WITH A PRECIPITATED COPPER CATALYST CONTAINING COPPER AND IRON IN THE PROPORTION OF 50:50 TO 95:5 AND HAVING AN ALKALI CONTENT OF FROM 1-50% CALCULATED AS K2O REFERRING TO THE IRON PRESENT, AT A TEMPERATURE OF ABOUT 150-300* C. AND A PRESSURE OF ABOUT 1-100 ATMOSPHERES, AND RECOVERING A SYNTHESIS PRODUCT CONTAINING A HIGH YIELD OF OXYGENATED COMPOUNDS.
References Cited (Backward Citations)
US2254748A
Cited
US2257457A
Cited
US2234246A
Cited
US2275181A
Cited
US2414585A
Cited
US2598647A
Cited
US2500331A
Cited
US2702814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |