US2494561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination process for the hydrogenation of carbon monoxide and the production of ammonia
Assignee: Texaco Inc
•
Filing: 1945-12-29
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Granted: 1950-01-17
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Expires: 1965-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Lebbeus C Kemp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:57
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C01; C01B; C01B3/00; C01B3/02; C01B3/025; C07C2521/00; C07C2521/02; C07C2521/04; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/78; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A PROCESS FOR THE SYNTHESIS OF AMMONIA FROM HYDROGEN AND NITROGEN AND FOR THE SYNTHESIS OF HYDROCARBONS FROM HYDROGEN AND CARBON MONOXIDE, THE STEPS COMPRISING CONVERTING NITROGEN AND HYDROGEN TO AMMONIA IN THE PRESENCE OF AN IRON CATALYST WITH CONSEQUENT REDUCTION, IN ACTIVITY OF THE CATALYST FOR THE AMMONIA SYNTHESIS REACTION, SUBSEQUENTLY CONVERTING CARBON MONOXIDE AND HYDROGEN TO HYDROCARBONS IN THE PRESENCE OF SAID CATALYST OF REDUCED ACTIVITY FOR THE AMMONIA SYNTHESIS REACTION, THEREAFTER REGENERATING
Claim 2
Dependent Claim
76 words
IN A PROCESS FOR THE SYNTHESIS OF AMMONIA FROM HYDROGEN AND NITROGEN AND FOR THE SYNTHESIS OF HYDROCARBONS FROM HYDROGEN AND CARBON MONOXIDE, THE STEPS COMPRISING CONVERTING NITROGEN AND HYDROGEN TO AMMONIA IN THE PRESENCE OF AN IRON CATALYST WITH CONSEQUENT REDUCTION, IN ACTIVITY OF THE CATALYST FOR THE AMMONIA SYNTHESIS REACTION, SUBSEQUENTLY CONVERTING CARBON MONOXIDE AND HYDROGEN TO HYDROCARBONS IN THE PRESENCE OF SAID CATALYST OF REDUCED ACTIVITY FOR THE AMMONIA SYNTHESIS REACTION, THEREAFTER REGENERATING
References Cited (Backward Citations)
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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) | 1953-01-16 | 1953-07-18 | 1954-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-16 | 1957-07-18 | 1958-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-16 | 1961-07-18 | 1962-01-17 | $7700.00 | Window Closed / Lapsed |