US2552347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon synthesis
Assignee: Standard Oil Development Co
•
Filing: 1947-05-20
•
Granted: 1951-05-08
•
Expires: 1967-05-20
Abstract
No abstract record available.
Inventors
- 👤 Marnell A Segura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:34
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/847; B01J23/8472; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/043; C07C1/0435; C07C1/044; C07C1/0445; C07C2523/00; C07C2523/02; C07C2523/04; C07C2523/70; C07C2523/74; C07C2523/745; C07C2523/76; C07C2523/84; C07C2523/847; C07C2527/00; C07C2527/06; C07C2527/08; C07C2527/10; C07C2527/12; C07C2527/20; C07C2527/232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
AN IMPROVED PROCESS FOR PRODUCING VALUABLE CONVERSIONPRODUCTS FROM CO AND H2 IN THE PRESENCE OF IRON CATALYSTS WHICH COMPRISES CONTACTING A GAS CONTAIING CO AND H2 IN SYNTHESIS PROPORTION AT SYNTHESIS CONDITIONS WITH A CATALYST CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF IRON, ABOUT 2-8% BY WEIGHT OF VANADIUM, AND A MINOR PROPORTION OF AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES, CARBONATES, CHLORIDES, AND FLUORIDES OF SODIUM AND POTASSIUM AND PROMOTING THE SELECTIVITY OF THE CATALYST TOWARD THE FORMATION OF NORMALLY LIQUID HYDROCARBONS.
Claim 2
Dependent Claim
88 words
AN IMPROVED PROCESS FOR PRODUCING VALUABLE CONVERSIONPRODUCTS FROM CO AND H2 IN THE PRESENCE OF IRON CATALYSTS WHICH COMPRISES CONTACTING A GAS CONTAIING CO AND H2 IN SYNTHESIS PROPORTION AT SYNTHESIS CONDITIONS WITH A CATALYST CONSISTING ESSENTIALLY OF A MAJOR PROPORTION OF IRON, ABOUT 2-8% BY WEIGHT OF VANADIUM, AND A MINOR PROPORTION OF AN ALKALI METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF THE OXIDES, CARBONATES, CHLORIDES, AND FLUORIDES OF SODIUM AND POTASSIUM AND PROMOTING THE SELECTIVITY OF THE CATALYST TOWARD THE FORMATION OF NORMALLY LIQUID 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) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |