US2588076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for gasifying fuels
Assignee: Standard Oil Development Co
•
Filing: 1945-12-28
•
Granted: 1952-03-04
•
Expires: 1965-12-28
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Gohr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:06
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
154 words
THE METHOD OF PRODUCING GASEOUS FUELS FROM SOLID CARBONACEOUS MATERIALS, WHICH COMPRISES MAINTAINING FINELY DIVIDED SOLID CARBONACEOUS MATERIALS IN A VERTICAL ELONGATED CONVERSION ZONE IN A SERIES OF BEDS OF DENSE, EBULLIENT, FLUIDIZED CONDITION BY AN UPWARDLY FLOWING GAS UNDER REACTION CONDITIONS SUITABLE FOR THE PRODUCTION OF GASEOUS FUELS THEREFROM, FEEDING FINELY DIVIDED SOLID CARBONACEOUS MATERIAL TO THE UPPER PORTION OF SAID CONVERSION ZONE, WITHDRAWING FLUIDIZED RELATIVELY SPENT LOW CARBON SOLIDS FROM A LOWER PORTION OF SAID CONVERSION ZONE, REGULATING THE FREE CIRCULATION OF SOLIDS WITHIN SAID FLUIDIZED BEDS ESSENTIALLY IN A VERTICAL DIRECTION DOWNWARDLY FROM THE UPPER HIGH CARBON PORTION OF SAID CONVERSION ZONE TO THE LOWER LOW CARBON CONTAINING PORTION OF SAID CONVERSION ZONE, SUBJECTING THE CARBONACEOUS CONSTITUENTS OF SAID WITHDRAWN SOLIDS TO COMBUSTION WITH A COMBUSTIONSUPPORTING GAS IN A VERTICAL ELONGATED COMBUSTION ZONE, MAINTAINING IN SAID COMBUSITION ZONE A PLURALITY OF SEPARATE SUPERIMPOSED DENSE, TURBULENT FLUIDIZED SOLIDS BEDS, MAINTAINING A RELA-
Claim 2
Independent Claim
154 words
THE METHOD OF PRODUCING GASEOUS FUELS FROM SOLID CARBONACEOUS MATERIALS, WHICH COMPRISES MAINTAINING FINELY DIVIDED SOLID CARBONACEOUS MATERIALS IN A VERTICAL ELONGATED CONVERSION ZONE IN A SERIES OF BEDS OF DENSE, EBULLIENT, FLUIDIZED CONDITION BY AN UPWARDLY FLOWING GAS UNDER REACTION CONDITIONS SUITABLE FOR THE PRODUCTION OF GASEOUS FUELS THEREFROM, FEEDING FINELY DIVIDED SOLID CARBONACEOUS MATERIAL TO THE UPPER PORTION OF SAID CONVERSION ZONE, WITHDRAWING FLUIDIZED RELATIVELY SPENT LOW CARBON SOLIDS FROM A LOWER PORTION OF SAID CONVERSION ZONE, REGULATING THE FREE CIRCULATION OF SOLIDS WITHIN SAID FLUIDIZED BEDS ESSENTIALLY IN A VERTICAL DIRECTION DOWNWARDLY FROM THE UPPER HIGH CARBON PORTION OF SAID CONVERSION ZONE TO THE LOWER LOW CARBON CONTAINING PORTION OF SAID CONVERSION ZONE, SUBJECTING THE CARBONACEOUS CONSTITUENTS OF SAID WITHDRAWN SOLIDS TO COMBUSTION WITH A COMBUSTIONSUPPORTING GAS IN A VERTICAL ELONGATED COMBUSTION ZONE, MAINTAINING IN SAID COMBUSITION ZONE A PLURALITY OF SEPARATE SUPERIMPOSED DENSE, TURBULENT FLUIDIZED SOLIDS BEDS, MAINTAINING A RELA-
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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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |