US2609283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of carbonaceous materials into a fuel gas
Assignee: Hydrocarbon Research Inc
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Filing: 1947-08-09
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Granted: 1952-09-02
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Expires: 1967-08-09
Abstract
No abstract record available.
Inventors
- 👤 John C Kalbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:16
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
101 words
IN A PROCESS FOR PROODUCING FUEL GAS OF HIGH HEATING VALUE FROM A SOLID CARBONACEOUS MATERIAL CONTAINING VOLATILIZABLE CONSTITUENTS, THE IMPROVEMENT WHICH COMPRISES SIMULTANEOUSLY HYDROGENATING AND CARBONIZING AUTOGENOUSLY SAID SOLID CARBONACEOUS MATERIAL BY CONTINUOUSLY CONTACTING SAID CARBONACEOUS MATERIAL IN COMMINUTED FORM IN A DENSE PHASE FLUIDIZED BED WITH A STREAM OF HYDROGEN AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT 300 TO ABOUT 750 POUNDS PER SQUARE INCH GAUGE AND AT A SUBSTANTIALLY UNIFORM TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 1,000 TO ABOUT 1,500* F. IN A CARBONIZATION ZONE, CONTINUOUSLY INTRODUCING SAID CARBONACEOUS MATERIAL INTO SAID CARBONIZATION ZONE, DISCHARGING
Claim 2
Dependent Claim
101 words
IN A PROCESS FOR PROODUCING FUEL GAS OF HIGH HEATING VALUE FROM A SOLID CARBONACEOUS MATERIAL CONTAINING VOLATILIZABLE CONSTITUENTS, THE IMPROVEMENT WHICH COMPRISES SIMULTANEOUSLY HYDROGENATING AND CARBONIZING AUTOGENOUSLY SAID SOLID CARBONACEOUS MATERIAL BY CONTINUOUSLY CONTACTING SAID CARBONACEOUS MATERIAL IN COMMINUTED FORM IN A DENSE PHASE FLUIDIZED BED WITH A STREAM OF HYDROGEN AT A PRESSURE WITHIN THE RANGE OF FROM ABOUT 300 TO ABOUT 750 POUNDS PER SQUARE INCH GAUGE AND AT A SUBSTANTIALLY UNIFORM TEMPERATURE WITHIN THE RANGE OF FROM ABOUT 1,000 TO ABOUT 1,500* F. IN A CARBONIZATION ZONE, CONTINUOUSLY INTRODUCING SAID CARBONACEOUS MATERIAL INTO SAID CARBONIZATION ZONE, DISCHARGING
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) | 1955-09-02 | 1956-03-03 | 1956-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-02 | 1960-03-03 | 1960-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-02 | 1964-03-03 | 1964-09-02 | $7700.00 | Window Closed / Lapsed |