US2628969A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron catalyst for the hydrogenation of carbon monoxide
Assignee: Ruhrchemie AG
•
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 06:12
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.
References Cited (Backward Citations)
US1801382A
Cited
US2183145A
Cited
US2257457A
Cited
US2254806A
Cited
US2264427A
Cited
US2414585A
Cited
US2461147A
Cited
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 |