Patent US2671103A successfully refreshed from Google Patents.
US2671103A
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Catalytic hydrogenation of carbon monoxide in liquid suspensions of catalyst
Assignee: Rheinpreussen AG fuer Bergbau und Chemie
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Filing: 1950-05-12
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Granted: 1954-03-02
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Expires: 1970-05-12
Abstract
No abstract record available.
Inventors
- 👤 Kolbel Herbert
- 👤 Ackermann Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:33
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/06; C07C1/063; C07C1/066; C07C2523/00; C07C2523/70; C07C2523/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
IN THE SYNTHESIS OF HYDROCARBON PRODUCTS BY CARBON MONOXIDE HYDROGENATION, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY PASSING A SYNTHESIS GAS INTO A HYDROCARBON OIL PRODUCT SUSPENSION OF A CARBON MONOXIDE HYDROGENATION CATALYST HAVING A CONCENTRATION IN THE ORDER OF MAGNITURE OF FROM 50-500 G. CATALYST BASE METAL PER LITER SUSPENSION AND A CATALYST PARTICLE SIZE OF FROM 002-1.0 MM., AT A RATE OF GAS FLOW EXPRESSED IN N LITERES PER HOUR PER LITER OF CATALYST SUSPENSION, EQUIVALENT TO ABOUT 10-30 TIMES THE PER CENT WEIGHT OF CATALYST BASE METAL IN SAID SUSPENSION, MAINTAINING SAID SUSPENSION UNDER A PRESSURE BETWEEN 3-150 ATMOSPHERES ABOVE ATMOSPHERIC ADAPTED TO MAINTAIN THE RATE OF FLOW PER HOUR OF SYNTHESIS FEED GAS UNDER PRESSURE WITHIN THE SUSPENSION SUBSTANTIALLY AT A VALUE OF AND ORDER OF MAGNITUDE OF FROM 5-100 LITERS PER LITER OF CATALYST SUSPENSION, TO THEREBY SUBSTANTIALLY OBTAIN AND MAINTAIN A MIXTURE OF SYNTHESIS GAS AND CATALYST SUSPENSION HAVING A SUBSTANTIALLY CONSTANT VOLUME OF ABOUT 10-100% HIGHER THAN THE VOLUME OF THE SUSPENSION ITSELF.
Claim 2
Dependent Claim
168 words
IN THE SYNTHESIS OF HYDROCARBON PRODUCTS BY CARBON MONOXIDE HYDROGENATION, THE IMPROVEMENT WHICH COMPRISES CONTINUOUSLY PASSING A SYNTHESIS GAS INTO A HYDROCARBON OIL PRODUCT SUSPENSION OF A CARBON MONOXIDE HYDROGENATION CATALYST HAVING A CONCENTRATION IN THE ORDER OF MAGNITURE OF FROM 50-500 G. CATALYST BASE METAL PER LITER SUSPENSION AND A CATALYST PARTICLE SIZE OF FROM 002-1.0 MM., AT A RATE OF GAS FLOW EXPRESSED IN N LITERES PER HOUR PER LITER OF CATALYST SUSPENSION, EQUIVALENT TO ABOUT 10-30 TIMES THE PER CENT WEIGHT OF CATALYST BASE METAL IN SAID SUSPENSION, MAINTAINING SAID SUSPENSION UNDER A PRESSURE BETWEEN 3-150 ATMOSPHERES ABOVE ATMOSPHERIC ADAPTED TO MAINTAIN THE RATE OF FLOW PER HOUR OF SYNTHESIS FEED GAS UNDER PRESSURE WITHIN THE SUSPENSION SUBSTANTIALLY AT A VALUE OF AND ORDER OF MAGNITUDE OF FROM 5-100 LITERS PER LITER OF CATALYST SUSPENSION, TO THEREBY SUBSTANTIALLY OBTAIN AND MAINTAIN A MIXTURE OF SYNTHESIS GAS AND CATALYST SUSPENSION HAVING A SUBSTANTIALLY CONSTANT VOLUME OF ABOUT 10-100% HIGHER THAN THE VOLUME OF THE SUSPENSION ITSELF.
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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) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |