US2870226A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production and recovery of aromatic hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1956-03-19
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Granted: 1959-01-20
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Expires: 1976-03-19
Abstract
No abstract record available.
Inventors
- 👤 Richard M Deanesly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:24
CPC Classifications
C; C10; C10G; C10G21/00; C10G61/00; C10G61/02; C10G61/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A COMBINATION PROCESS FOR THE PRODUCTION AND RECOVERY OF AROMATIC HYDROCARBONS WHICH COMPRISES SUBJECTING A PETROLEUM FRACTION BOILING IN THE GASOLINE RANGE TO REFORMING UNDER CONDITIONS TO YIELD A NET PRODUCTION OF HYDROGEN, SEPARATING FROM THE EFFLUENT PRODUCTS A HYDROGEN FRACTION AND A LIQUID FRACTION, SUBJECTING COKE OVEN LIGHT OIL DERIVED FROM COAL AND CONTAINING NON-HYDROCARBON IMPURITIES TO HYDROREFINING IN THE PRESENCE OF A PORTION OF SAID HYDROGEN FRACTION TO REMOVE SADI IMPURITIES, SEPARATING FROM THE EFFLUENT PRODUCTS A GASEOUS FRACTION AND A LIQUID FRACTION, COMBINING THE LAST MENTIONED LIQUID FRACTION WITHTHE FIRST MENTIONED LIQUID FRACTION, AND SUBJECTING THE MIXTURE TO SOLVENT EXTRACTION TO SEPARATE AN AROMATIC HYDROCARBON FRACTION, AND RECOVERING SAID AROMATIC HYDROCARBON FRACTION.
Claim 2
Dependent Claim
115 words
A COMBINATION PROCESS FOR THE PRODUCTION AND RECOVERY OF AROMATIC HYDROCARBONS WHICH COMPRISES SUBJECTING A PETROLEUM FRACTION BOILING IN THE GASOLINE RANGE TO REFORMING UNDER CONDITIONS TO YIELD A NET PRODUCTION OF HYDROGEN, SEPARATING FROM THE EFFLUENT PRODUCTS A HYDROGEN FRACTION AND A LIQUID FRACTION, SUBJECTING COKE OVEN LIGHT OIL DERIVED FROM COAL AND CONTAINING NON-HYDROCARBON IMPURITIES TO HYDROREFINING IN THE PRESENCE OF A PORTION OF SAID HYDROGEN FRACTION TO REMOVE SADI IMPURITIES, SEPARATING FROM THE EFFLUENT PRODUCTS A GASEOUS FRACTION AND A LIQUID FRACTION, COMBINING THE LAST MENTIONED LIQUID FRACTION WITHTHE FIRST MENTIONED LIQUID FRACTION, AND SUBJECTING THE MIXTURE TO SOLVENT EXTRACTION TO SEPARATE AN AROMATIC HYDROCARBON FRACTION, AND RECOVERING SAID AROMATIC HYDROCARBON FRACTION.
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) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |