US2500533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of solid hydrocarbons
Assignee: Phillips Petroleum Co
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Filing: 1946-09-06
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Granted: 1950-03-14
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Expires: 1966-09-06
Abstract
No abstract record available.
Inventors
- 👤 Alvin H Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:48
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/943; Y10S585/946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A PROCESS FOR THE PRODUCTION OF WAX IN HIGH YIELDS WHICH COMPRISES REACTING A GASEOUS MIXTURE CONTAINING CARBON MONOXIDE AND HYDROGEN IN A MOL RATIO OF 1:2 AND CONTAINING ABOUT 50 PER CENT NITROGEN BY VOLUME IN THE PRESENCE OF A COBALT SYNTHESIS CATALYST AT A TEMPERATURE WITHIN THE RANGE OF 175 TO 225*C. AND A PRESSURE OF FROM 5 TO 15 ATMOSPHERES, AT A SPACE VELOCITY OF FROM 100 TO 200 VOLUMES GAS PER VOLUME CATALYST PER HOUR, AND TREATING THE EFFUENTS OF THE REACTION TO RECOVER THEREFROM A HIGH YIELD OF WAX AS A PRODUCT OF THE PROCESS.
Claim 2
Dependent Claim
100 words
A PROCESS FOR THE PRODUCTION OF WAX IN HIGH YIELDS WHICH COMPRISES REACTING A GASEOUS MIXTURE CONTAINING CARBON MONOXIDE AND HYDROGEN IN A MOL RATIO OF 1:2 AND CONTAINING ABOUT 50 PER CENT NITROGEN BY VOLUME IN THE PRESENCE OF A COBALT SYNTHESIS CATALYST AT A TEMPERATURE WITHIN THE RANGE OF 175 TO 225*C. AND A PRESSURE OF FROM 5 TO 15 ATMOSPHERES, AT A SPACE VELOCITY OF FROM 100 TO 200 VOLUMES GAS PER VOLUME CATALYST PER HOUR, AND TREATING THE EFFUENTS OF THE REACTION TO RECOVER THEREFROM A HIGH YIELD OF WAX AS A PRODUCT OF THE PROCESS.
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) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |