US3018241A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hydrogen-rich liquid fuels from coal
Assignee: Consolidation Coal Co
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Filing: 1960-10-10
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Granted: 1962-01-23
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Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 Gorin Everett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:48
CPC Classifications
C; C10; C10G; C10G1/00; C10G1/006; C10G1/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A COMBINATION PROCESS FOR THE PRODUCTION OF HYDROGEN-ENRICHED LIQUID FUELS FROM COAL WHICH COMPRISES SUBJECTING THE COAL TO SOLVENT EXTRACTION UNDER CONDITIONS TO DISSOLVE LESS THAN 80 PERCENT BY WEIGHT OF THE M.A.F. COAL, WHEREBY AN EXTRACT CONTAINING BOTH BENZENE-SOLUBLE AND BENZENE-INSOLUBLE MATERIAL IS OBTAINED, SEPARATING FROM THE PRODUCTS OF EXTRACTION UNDISSOLVED COAL RESIDUE AND A FIRST AND A SECOND EXTRACT FRACTION, SAID FIRST FRACTION BEING RICHER IN BENZENE-INSOLUBLE MATERIAL THAN SAID SECOND FRACTION AND SAID SECOND FRACTION AMOUNTING TO LESS THAN 65 PERCENT BY WEIGHT OF THE M.A.F. COAL, SUBJECTING SAID RESIDUE AND SAID FIRST EXTRACT FRACTION TO CARBONIZATION UNDER CONDITIONS YIELDING LIQUID DISTILLATES, COMBINING AT LEAST A PORTION OF SAID SECOND EXTRACT FRACTION WITH AT LEAST A PORTION OF SAID DISTILLATES, SUBJECTING THE RESULTING MIXTURE TO HYDROGENATION UNDER CONDITIONS TO YIELD A GASOLINE FEEDSTOCK, AND RECOVERING SAID GASOLINE FEEDSTOCK.
Claim 2
Dependent Claim
141 words
A COMBINATION PROCESS FOR THE PRODUCTION OF HYDROGEN-ENRICHED LIQUID FUELS FROM COAL WHICH COMPRISES SUBJECTING THE COAL TO SOLVENT EXTRACTION UNDER CONDITIONS TO DISSOLVE LESS THAN 80 PERCENT BY WEIGHT OF THE M.A.F. COAL, WHEREBY AN EXTRACT CONTAINING BOTH BENZENE-SOLUBLE AND BENZENE-INSOLUBLE MATERIAL IS OBTAINED, SEPARATING FROM THE PRODUCTS OF EXTRACTION UNDISSOLVED COAL RESIDUE AND A FIRST AND A SECOND EXTRACT FRACTION, SAID FIRST FRACTION BEING RICHER IN BENZENE-INSOLUBLE MATERIAL THAN SAID SECOND FRACTION AND SAID SECOND FRACTION AMOUNTING TO LESS THAN 65 PERCENT BY WEIGHT OF THE M.A.F. COAL, SUBJECTING SAID RESIDUE AND SAID FIRST EXTRACT FRACTION TO CARBONIZATION UNDER CONDITIONS YIELDING LIQUID DISTILLATES, COMBINING AT LEAST A PORTION OF SAID SECOND EXTRACT FRACTION WITH AT LEAST A PORTION OF SAID DISTILLATES, SUBJECTING THE RESULTING MIXTURE TO HYDROGENATION UNDER CONDITIONS TO YIELD A GASOLINE FEEDSTOCK, AND RECOVERING SAID GASOLINE FEEDSTOCK.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |