US2691573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Desulfurization in the gasification of coal
Assignee: Phillips Petroleum Co
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Filing: 1950-12-15
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Granted: 1954-10-12
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Expires: 1970-12-15
Abstract
No abstract record available.
Inventors
- 👤 Bertrand J Mayland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:21
CPC Classifications
C; C10; C10J; C10J3/00; C10J3/46; C10L; C10L9/00; C10J2300/00; C10J2300/09; C10J2300/0913; C10J2300/093; C10J2300/0933
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR THE GASIFICATION OF A SOLID POWDERED CARBONACEOUS MATERIAL CONTAINING SULFUR WHICH COMPRISES INTRODUCING SAID MATERIAL AND A METAL CARBONYL INTO A GASIFICATION ZONE, SUBJECTING SAID MIXTURE TO GASIFICATION CONDITIONS WITH THE INTRODUCTION OF AN OXYGEN-SUPPLYING GAS SO AS TO SUPPLY THE HEAT OF REACTION AND REACT THE METAL OF THE METAL CARBONYL WITH THE SULFUR COMPONENT OF THE CARBONACEOUS MATERIAL TO PRODUCE THE METAL SULFIDE, REMOVING THE METAL SULFIDE FROM THE GASES PRODUCED AND RECOVERING SAID GASES.
Claim 2
Dependent Claim
80 words
A PROCESS FOR THE GASIFICATION OF A SOLID POWDERED CARBONACEOUS MATERIAL CONTAINING SULFUR WHICH COMPRISES INTRODUCING SAID MATERIAL AND A METAL CARBONYL INTO A GASIFICATION ZONE, SUBJECTING SAID MIXTURE TO GASIFICATION CONDITIONS WITH THE INTRODUCTION OF AN OXYGEN-SUPPLYING GAS SO AS TO SUPPLY THE HEAT OF REACTION AND REACT THE METAL OF THE METAL CARBONYL WITH THE SULFUR COMPONENT OF THE CARBONACEOUS MATERIAL TO PRODUCE THE METAL SULFIDE, REMOVING THE METAL SULFIDE FROM THE GASES PRODUCED AND RECOVERING SAID GASES.
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) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |