Patent US3576525A successfully refreshed from Google Patents.
US2588511A
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Catalyst for the synthesis of hydrocarbons by reduction of carbon monoxide with hydrogen and process of utilizing same
Assignee: Phillips Petroleum Co
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Filing: 1949-04-11
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Granted: 1952-03-11
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Expires: 1969-04-11
Abstract
No abstract record available.
Inventors
- 👤 Alvin H Friedman
- 👤 Jesse N Moran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:55
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/78; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE PROCESS OF SYNTHESIZING HYDROCARBONS BY THE CATALYTIC REDUCTION OF CARBON MONOXIDE WITH HYDROGEN WHICH COMPRISES CONTACTING UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 175 TO 325* C. A SYNTHESIS GAS COMPRISING CARBON MONOXIDE AND HYDROGEN WITH A CATALYST, CONSISTING ESSENTIALLY OF A REDUCED, GROUND, FUSES MIXTURE OF IRON OXIDE AND A MIXED SILICATE OF ALUMINUM AND A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS IN WHICH THE IRON IS IN ELEMENTAL FORM AND SAID MIXED SILICATE IS EMPLOYED IN AN AMOUNT RANGING FROM 20 TO 75 PER CENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID MIXED SILICATE, SO AS TO SYNTHESIZE HYDROCARBONS; AND RECOVERING SYNTHESIZED HYDROCARBONS.
Claim 2
Dependent Claim
118 words
THE PROCESS OF SYNTHESIZING HYDROCARBONS BY THE CATALYTIC REDUCTION OF CARBON MONOXIDE WITH HYDROGEN WHICH COMPRISES CONTACTING UNDER REACTION CONDITIONS INCLUDING A TEMPERATURE IN THE RANGE OF 175 TO 325* C. A SYNTHESIS GAS COMPRISING CARBON MONOXIDE AND HYDROGEN WITH A CATALYST, CONSISTING ESSENTIALLY OF A REDUCED, GROUND, FUSES MIXTURE OF IRON OXIDE AND A MIXED SILICATE OF ALUMINUM AND A METAL SELECTED FROM THE GROUP CONSISTING OF THE ALKALI AND ALKALINE EARTH METALS IN WHICH THE IRON IS IN ELEMENTAL FORM AND SAID MIXED SILICATE IS EMPLOYED IN AN AMOUNT RANGING FROM 20 TO 75 PER CENT BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID MIXED SILICATE, SO AS TO SYNTHESIZE HYDROCARBONS; AND RECOVERING SYNTHESIZED HYDROCARBONS.
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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) | 1955-03-11 | 1955-09-10 | 1956-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-11 | 1959-09-10 | 1960-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-11 | 1963-09-10 | 1964-03-11 | $7700.00 | Window Closed / Lapsed |