US2594301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reduction of carbon monoxide with hydrogen
Assignee: Texaco Inc
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Filing: 1947-06-17
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Granted: 1952-04-29
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Expires: 1967-06-17
Abstract
No abstract record available.
Inventors
- 👤 Eastman Du Bois
- 👤 Leon P Gaucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:07
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/06; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
IN THE PROCESS FOR THE SYNTHESIS OF NORMALLY LIQUID HYDROCARBONS, OXYGENATED HYDROCARBONS AND THE LIKE BY THE CATALYTIC REDUCTION OF CARBON MONOXIDE WITH HYDROGEN WHEREIN A SYNTHESIS GAS COMPRISING HYDROGEN AND CARBON MONOXIDE IN A RELATIVE MOLAR RATIO IN THE RANGE OF FROM 1:1 TO ABOUT 3:1 IS PASSED IN CONTACT WITH A DENSE FLUID PHASE MASS OF SOLID PARTICLES, IRON, HYDROCARBON SYNTHESIS CATALYST IN A REACTION ZONE AT AN ELEVATED TEMPERATURE IN THE RANGE OF ABOUT 500-700* F., AND NORMALLY LIQUID PRODUCTS OF REACTION ARE RECOVERED FROM THE EFFLUENT REACTION STREAMM THE IMPROVEMENT WHICH COMPRISES RESTRICTING THE UNDESIRED FORMATION OF LIGHT GASEOUS HYDROCARBONS AND CARBON DIOXIDE BY WITHDRAWING THE ENTIRE REACTION EFFLUENT FROM CONTACT WITH THE CATALYST, SEPARATING THE DESIRED, NORMALLY LIQUID PRODUCTS OF REACTION THEREFROM, RECYCLING TO THE INLET OF THE REACTION ZONE THE RESIDUAL MIXTURE OF NORMALLY GASEOUS PRODUCTS OF REACTION AT A PREDETERMINED RECYCLE RATE WITHIN THE RANGE EXPRESSED BY THE VALUE OF Y, WHERE Y IS ABOVE ABOUT
Claim 2
Dependent Claim
163 words
IN THE PROCESS FOR THE SYNTHESIS OF NORMALLY LIQUID HYDROCARBONS, OXYGENATED HYDROCARBONS AND THE LIKE BY THE CATALYTIC REDUCTION OF CARBON MONOXIDE WITH HYDROGEN WHEREIN A SYNTHESIS GAS COMPRISING HYDROGEN AND CARBON MONOXIDE IN A RELATIVE MOLAR RATIO IN THE RANGE OF FROM 1:1 TO ABOUT 3:1 IS PASSED IN CONTACT WITH A DENSE FLUID PHASE MASS OF SOLID PARTICLES, IRON, HYDROCARBON SYNTHESIS CATALYST IN A REACTION ZONE AT AN ELEVATED TEMPERATURE IN THE RANGE OF ABOUT 500-700* F., AND NORMALLY LIQUID PRODUCTS OF REACTION ARE RECOVERED FROM THE EFFLUENT REACTION STREAMM THE IMPROVEMENT WHICH COMPRISES RESTRICTING THE UNDESIRED FORMATION OF LIGHT GASEOUS HYDROCARBONS AND CARBON DIOXIDE BY WITHDRAWING THE ENTIRE REACTION EFFLUENT FROM CONTACT WITH THE CATALYST, SEPARATING THE DESIRED, NORMALLY LIQUID PRODUCTS OF REACTION THEREFROM, RECYCLING TO THE INLET OF THE REACTION ZONE THE RESIDUAL MIXTURE OF NORMALLY GASEOUS PRODUCTS OF REACTION AT A PREDETERMINED RECYCLE RATE WITHIN THE RANGE EXPRESSED BY THE VALUE OF Y, WHERE Y IS ABOVE ABOUT
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |