US3712800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for converting residual oils into fuel gas
Assignee: Arthur D Little Inc
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Filing: 1970-09-04
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Granted: 1973-01-23
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Expires: 1990-09-04
Abstract
Abstract METHOD AND APPARATUS FOR CONVERTING RESIDUAL HYDROCARBON OILS TO A FUEL GAS WHICH HAS ESSENTIALLY THE SAME HEATING VALUE AND DENSTIY AS NATURAL GAS AND WHICH MAY THEREFORE BE DISTRIBUTED THROUGH THE SAME LINES. THE RESIDUAL OIL CONTAINING ONE OR MORE METALLIC MODIFIERS AS CATALYSTS, WHICH MAY BE NATURALY OCCURRING IN THE OIL OR ADDED THERETO, IS PYROLYZED AT LOW TEMPERATURES (UP TO 1400* F.) AND LOW PRESSURES (UP TO ABOUT 30 P.S.I.G.); AND FROM THE PRODUCTS OF PYROLYSIS A FUEL GAS IS SEPARATED. THE FUEL GAS IS A MIXTURE OF METHANE, HYDROGEN AND ETHANE/ETHYLENE WHEREIN THE MOLAR RATIO OF HYDROGEN TO ETHANE/EHTYLENE IS ABOUT ONE-TO-ONE.
Inventors
- 👤 A Schutte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:08
CPC Classifications
C; C10; C10G; C10G11/00
Claims Analysis
Total Claims: 0
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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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |