US2652319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for water-gas generation
Assignee: Standard Oil Development Co
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Filing: 1949-01-03
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Granted: 1953-09-15
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Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Sumner B Sweetser
- 👤 Walter G Scharmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:11
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; Y; Y10; Y10S; Y10S48/00; Y10S48/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
THE PROCESS OF PRODUCING GAS MIXTURE CONTAINING CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES PASSING A STREAM OF FINELYDIVIDED CARBONACEOUS SOLID MATERIAL INTO AN INITIAL WATER GAS REACTION ZONE, FORMING A FLUIDIZED MASS OF SOLIDS THEREIN, SUBJECTING SAID MASS TO A GASIFICATION REACTION WITH STEAM AT TEMPERATURES OF FROM ABOUT 1500* TO 2000* F. TO PRODUCE A GAS RICH IN H2 AND CO, WITHDRAWING SAID GAS FROM SAID WATER GAS REACTION ZONE, WITHDRAWING FROM SAID WATER GAS REACTION ZONE, FINELY DIVIDED CHAR OF HIGH SURFACE AREA, PASSING AT LEAST A PORTION OF SAID CHAR INTO A CATALYST IMPREGNATION ZONE, IMPREGNATING IN SAID ZONE SAID CHAR WITH A CATALYST PROMOTING GASIFICATION OF CARBON, RECYCING SAID IMPREGNATED CHAR OF HIGH SURFACE AREA TO SAID WATER GAS REACTION ZONE AND RECOVERING A GAS RICH IN H2 AND CO FROM SAID LAST-NAMED ZONE.
Claim 2
Dependent Claim
138 words
THE PROCESS OF PRODUCING GAS MIXTURE CONTAINING CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES PASSING A STREAM OF FINELYDIVIDED CARBONACEOUS SOLID MATERIAL INTO AN INITIAL WATER GAS REACTION ZONE, FORMING A FLUIDIZED MASS OF SOLIDS THEREIN, SUBJECTING SAID MASS TO A GASIFICATION REACTION WITH STEAM AT TEMPERATURES OF FROM ABOUT 1500* TO 2000* F. TO PRODUCE A GAS RICH IN H2 AND CO, WITHDRAWING SAID GAS FROM SAID WATER GAS REACTION ZONE, WITHDRAWING FROM SAID WATER GAS REACTION ZONE, FINELY DIVIDED CHAR OF HIGH SURFACE AREA, PASSING AT LEAST A PORTION OF SAID CHAR INTO A CATALYST IMPREGNATION ZONE, IMPREGNATING IN SAID ZONE SAID CHAR WITH A CATALYST PROMOTING GASIFICATION OF CARBON, RECYCING SAID IMPREGNATED CHAR OF HIGH SURFACE AREA TO SAID WATER GAS REACTION ZONE AND RECOVERING A GAS RICH IN H2 AND CO FROM SAID LAST-NAMED ZONE.
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) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |