US2521538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for synthesis of hydrocarbons and the like
Assignee: Texaco Development Corp
•
Filing: 1945-06-20
•
Granted: 1950-09-05
•
Expires: 1965-06-20
Abstract
No abstract record available.
Inventors
- 👤 Harry V Rees
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:44
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/02; B01J8/0207; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0455; C07C1/048; C07C29/00; C07C29/15; C07C29/151; C07C29/152; C07C29/153; C07C29/156; Y; Y10; Y10S; Y10S48/00; Y10S48/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A PROCESS FOR EFFECTING SYNTHESIS OF HYDROCARBONS AND OXYGENATED HYDROCARBONS FROM CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A SOLID SYNTHESIS CATALYST WHEREIN SAID CATALYST IS MAINTAINED STATIONARY WITHIN THE REACTION ZONE AND AT LEAST A PORTION OF THE HEAT LIBERATED BY THE REACTION IS REMOVED BY INDIRECT HEAT EXCHANGE BETWEEN THE CATALYST AND A COOLING LIQUID, THE IMPROVEMENT WHICH COMPRISES DISPOSING SAID SYNTHESIS CATALYST IN A CONTINUOUS PERMEABLE LAYER HAVING A THICKNESS WITHIN THE RANGE OF FROM ABOUT 1/64 TO ABOUT 1 INCH ON ONE SURFACE OF RELATIVELY THIN POROUS VERTICAL SUPPORTING WALL WITHIN THE REACTION ZONE, PASSING A MIXTURE OF CARBON MONOXIDE AND HYDROGEN UNDER SYNTHESIS REACTION CONDITIONS THROUGH SAID LAYER OF SYNTHESIS CATALYST AND THEREAFTER THROUGH SAID WALL THEREBY EFFECTING REACTION OF CARBON MONOXIDE WITH HYDROGEN ACCOMPANIED BY THE LIBERATION OF HEAT CONTINUOUSLY FLOWING A LIQUID COOLANT AT
Claim 2
Dependent Claim
143 words
IN A PROCESS FOR EFFECTING SYNTHESIS OF HYDROCARBONS AND OXYGENATED HYDROCARBONS FROM CARBON MONOXIDE AND HYDROGEN IN THE PRESENCE OF A SOLID SYNTHESIS CATALYST WHEREIN SAID CATALYST IS MAINTAINED STATIONARY WITHIN THE REACTION ZONE AND AT LEAST A PORTION OF THE HEAT LIBERATED BY THE REACTION IS REMOVED BY INDIRECT HEAT EXCHANGE BETWEEN THE CATALYST AND A COOLING LIQUID, THE IMPROVEMENT WHICH COMPRISES DISPOSING SAID SYNTHESIS CATALYST IN A CONTINUOUS PERMEABLE LAYER HAVING A THICKNESS WITHIN THE RANGE OF FROM ABOUT 1/64 TO ABOUT 1 INCH ON ONE SURFACE OF RELATIVELY THIN POROUS VERTICAL SUPPORTING WALL WITHIN THE REACTION ZONE, PASSING A MIXTURE OF CARBON MONOXIDE AND HYDROGEN UNDER SYNTHESIS REACTION CONDITIONS THROUGH SAID LAYER OF SYNTHESIS CATALYST AND THEREAFTER THROUGH SAID WALL THEREBY EFFECTING REACTION OF CARBON MONOXIDE WITH HYDROGEN ACCOMPANIED BY THE LIBERATION OF HEAT CONTINUOUSLY FLOWING A LIQUID COOLANT AT
References Cited (Backward Citations)
US1309623A
Cited
USRE22415E
Cited
US1685759A
Cited
US1900715A
Cited
US2196188A
Cited
GB474191A
Cited
US2279153A
Cited
US2287092A
Cited
US2271646A
Cited
US2256622A
Cited
US2378651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |