US2794725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of gas mixtures containing carbon monoxide and hydrogen
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1946-08-08
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Granted: 1957-06-04
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Expires: 1966-08-08
Abstract
No abstract record available.
Inventors
- 👤 Walter G Scharmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:31
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10J3/48; C10J3/482; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933; C10J2300/0983; C10J2300/0993
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS OF PRODUCING CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES CONTACTING A DENSE FLUIDIZED BED OF FINELY-DIVIDED CARBONACEOUS SOLIDS WITH STEAM AT GASIFICATION TEMPERATURES, ADDING TO SAID BED A FINELYDIVIDED METAL OXIDE ADAPTED TO OXIDIZE CARBONACEOUS MATERIALS AT GASIFICATION CONDITIONS, WITHDRAWING FINELYDIVIDED SOLID CARBONACEOUS GASIFICATION RESIDUE AND REDUED METAL OXIDE FROM SAID BED, SEPARATING SUBSTANTIALLY COMPLETELY SAID REDUCED METAL OXIDE FROM SAID SOLIDS
Claim 2
Dependent Claim
63 words
THE PROCESS OF PRODUCING CARBON MONOXIDE AND HYDROGEN WHICH COMPRISES CONTACTING A DENSE FLUIDIZED BED OF FINELY-DIVIDED CARBONACEOUS SOLIDS WITH STEAM AT GASIFICATION TEMPERATURES, ADDING TO SAID BED A FINELYDIVIDED METAL OXIDE ADAPTED TO OXIDIZE CARBONACEOUS MATERIALS AT GASIFICATION CONDITIONS, WITHDRAWING FINELYDIVIDED SOLID CARBONACEOUS GASIFICATION RESIDUE AND REDUED METAL OXIDE FROM SAID BED, SEPARATING SUBSTANTIALLY COMPLETELY SAID REDUCED METAL OXIDE FROM SAID SOLIDS
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) | 1960-06-03 | 1960-12-03 | 1961-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-03 | 1964-12-03 | 1965-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-03 | 1968-12-03 | 1969-06-04 | $7700.00 | Window Closed / Lapsed |