Patent US2509869A successfully refreshed from Google Patents.
US2509869A
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Hydrocarbon synthesis
Assignee: Standard Oil Development Co
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Filing: 1947-10-01
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Granted: 1950-05-30
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Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Kirshenbaum Isidor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:02
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/84; C07C2523/85; C07C2523/86; C07C2527/00; C07C2527/20; C07C2527/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN IMPROVED PROCESS FOR PRODUCING VALUABLE CONVERSION PRODUCTS FROM CO AND H2 IN THE PRESENCE OF IRON TYPE CATALYSTS WHICH COMPRISES CONTACTING CO AND H2 IN SYNTHESIS PROPORTIONS AND AT SYNTHESIS CONDITIONS INCLUDING TEMPERATURES OF ABOUT 550*-750*F. AND PRESSURES OF ABOUT 150650 LBS. PER SQ. IN. ADAPTED TO THE FORMATION OF NORMALLY LIQUID HYDROCARBONS WITH A DENSE TURBULENT FLUIDIZED MASS OF CATALYST WHICH ESSENTIALLY CONSISTS OF A REDUCED COMPOSITE OF ABOUT 80 PARTS BY WEIGHT OF CHROMINA, 20 PARTS BY WEIGHT OF IRON OXIDE AND 2 PARTS BY WEIGHT OF POTASSIUM CARBONATE.
Claim 2
Dependent Claim
92 words
AN IMPROVED PROCESS FOR PRODUCING VALUABLE CONVERSION PRODUCTS FROM CO AND H2 IN THE PRESENCE OF IRON TYPE CATALYSTS WHICH COMPRISES CONTACTING CO AND H2 IN SYNTHESIS PROPORTIONS AND AT SYNTHESIS CONDITIONS INCLUDING TEMPERATURES OF ABOUT 550*-750*F. AND PRESSURES OF ABOUT 150650 LBS. PER SQ. IN. ADAPTED TO THE FORMATION OF NORMALLY LIQUID HYDROCARBONS WITH A DENSE TURBULENT FLUIDIZED MASS OF CATALYST WHICH ESSENTIALLY CONSISTS OF A REDUCED COMPOSITE OF ABOUT 80 PARTS BY WEIGHT OF CHROMINA, 20 PARTS BY WEIGHT OF IRON OXIDE AND 2 PARTS BY WEIGHT OF POTASSIUM CARBONATE.
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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |