Patent US2628969A successfully refreshed from Google Patents.
US2628969A
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Iron catalyst for the hydrogenation of carbon monoxide
Assignee: Ruhrchemie AG
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Filing: 1949-09-30
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Granted: 1953-02-17
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Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Rottig Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:07
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78; C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/1512; C07C29/153; C07C29/156
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE PROCESS OF TREATING GAS MIXTURE CON TAINING CARBON MONOXIDE AND HYDROGEN TO PRODUCE AT LEAST 30% OF OXYGEN-CONTAINING PRODUCTS WHICH COMPRISES REACTING SUCH GAS MIXTURES AT A TEMPERATURE OF APPROXIMATELY 200* C. IN THE PRESENCE OF A HYDROGENATION CATALYST COMPRISING A MIXED, REDUCED, IRON OXIDE-ALKALI METAL SALT PRECIPITATION PRODUCT CONTAINING FROM 5 TO 10% OF ALKALI METAL SALT CALCULATED AS KO2 OF THE IRON PRESENT, CALCULATED AS FE, THE ALKALI METAL SALT BEING IN SITU FORMED DURING PRECIPITATION OF THE IRON IN SAID CATALYST.
Claim 2
Dependent Claim
85 words
THE PROCESS OF TREATING GAS MIXTURE CON TAINING CARBON MONOXIDE AND HYDROGEN TO PRODUCE AT LEAST 30% OF OXYGEN-CONTAINING PRODUCTS WHICH COMPRISES REACTING SUCH GAS MIXTURES AT A TEMPERATURE OF APPROXIMATELY 200* C. IN THE PRESENCE OF A HYDROGENATION CATALYST COMPRISING A MIXED, REDUCED, IRON OXIDE-ALKALI METAL SALT PRECIPITATION PRODUCT CONTAINING FROM 5 TO 10% OF ALKALI METAL SALT CALCULATED AS KO2 OF THE IRON PRESENT, CALCULATED AS FE, THE ALKALI METAL SALT BEING IN SITU FORMED DURING PRECIPITATION OF THE IRON IN SAID 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) | 1956-02-17 | 1956-08-18 | 1957-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-17 | 1960-08-18 | 1961-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-17 | 1964-08-18 | 1965-02-17 | $7700.00 | Window Closed / Lapsed |