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US3000711A
Expired / Lapsed
US
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Coal gasification apparatus
Assignee: Texaco Inc
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Filing: 1957-12-13
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Granted: 1961-09-19
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Expires: 1977-12-13
Abstract
No abstract record available.
Inventors
- 👤 Eastman Du Bois
- 👤 Bruce H Sage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:04
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/485; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
APPARATUS FOR THE PRODUCTION OF CARBON MONOXIDE AND HYDROGEN FROM A SOLID CARBONACEOUS FUEL COMPRISING AN INCOMBUSTIBLE RESIDUE BY DIRECT PARTIAL OXIDATION WITH UNCOMBINED OXYGEN AND STEAM AT AN AUTOGENOUSLY MAINTAINED TEMPERATURE ABOVE ABOUT 2000*F. AND ABOVE THE FUSION POINT OF SAID RESIDUE WHEREIN SAID FUEL IN PARTICLE FORM IS REACTED WITH SAID GASEOUS REACTANTS WHILE IN SUSPENSION THEREIN AND IN THE RESULTING REACTION PRODUCTS, WHICH COMPRISES, IN COMBINATION, A VERTICALLY EXTENDING CYCLINDRICAL PRESSURE VESSEL SHELL HAVING A REACTION CHAMBER IN ITS UPPER PORTION AND A GAS OUTLET PORT IN ITS LOWER PORTION, SAID REASCTION CHAMBER HAVING A REFRACTORY HEAT INSULATING WALL DEFINING A VERTICAL CYLINDRICAL REACTION SPACE THEREWITHIN AND HAVING AN AXIALLY DISPOSED INLET FOR REACTANTS AT THE UPPER END THEREOF, A WATER-CONTAINING SLAG QUENCH CHAMBER IMMEDIATELLY BELOW SAID REACTION CHAMBER IN THE LOWER PROTION OF SAID VESSEL THROUGH WHICH
Claim 2
Dependent Claim
141 words
APPARATUS FOR THE PRODUCTION OF CARBON MONOXIDE AND HYDROGEN FROM A SOLID CARBONACEOUS FUEL COMPRISING AN INCOMBUSTIBLE RESIDUE BY DIRECT PARTIAL OXIDATION WITH UNCOMBINED OXYGEN AND STEAM AT AN AUTOGENOUSLY MAINTAINED TEMPERATURE ABOVE ABOUT 2000*F. AND ABOVE THE FUSION POINT OF SAID RESIDUE WHEREIN SAID FUEL IN PARTICLE FORM IS REACTED WITH SAID GASEOUS REACTANTS WHILE IN SUSPENSION THEREIN AND IN THE RESULTING REACTION PRODUCTS, WHICH COMPRISES, IN COMBINATION, A VERTICALLY EXTENDING CYCLINDRICAL PRESSURE VESSEL SHELL HAVING A REACTION CHAMBER IN ITS UPPER PORTION AND A GAS OUTLET PORT IN ITS LOWER PORTION, SAID REASCTION CHAMBER HAVING A REFRACTORY HEAT INSULATING WALL DEFINING A VERTICAL CYLINDRICAL REACTION SPACE THEREWITHIN AND HAVING AN AXIALLY DISPOSED INLET FOR REACTANTS AT THE UPPER END THEREOF, A WATER-CONTAINING SLAG QUENCH CHAMBER IMMEDIATELLY BELOW SAID REACTION CHAMBER IN THE LOWER PROTION OF SAID VESSEL THROUGH WHICH
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |