US2553415A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon synthesis catalyst
Assignee: Standard Oil Development Co
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Filing: 1947-10-01
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Granted: 1951-05-15
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Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Kirshenbaum Isidor
- 👤 Kenneth K Kearby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:22
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/20; B01J27/232; 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; C07C2527/00; C07C2527/20; C07C2527/232
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
THE 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 ADAPTED TO THE FORMATION OF NORMALLY LIQUID HYDROCARBONS WITH A CATALYST CONSISTING ESSENTIALLY OF A REDUCED COMPOSITE OF A MAJOR PROPORTION OF THE CARBONATE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM AND BARIUM AND A MINOR PROPORTION OF IRON.
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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |