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US3759679A
Expired / Lapsed
US
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Production of methane rich fuel gas
Assignee: Texaco Inc
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Filing: 1971-07-23
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Granted: 1973-09-18
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Expires: 1991-07-23
Abstract
Abstract A LIQUID HYDROCARBON FUEL IS REACTED WITH HYDROGEN AND H2O OVER A NICKEL OXIDE-CHROMIUM OXIDE CATALYST AT HIGH PRESSURE TO PRODUCE A METHANE-RICH FUEL GAS. PREFERABLY, HYDROGEN IN THE PRODUCT GAS IS RECOVERED AND TOTALLY RECYCLED TO THE REACTION ZONE. OPTIONALLY, CO2 MAY BE REMOVED FROM THE PRODUCT GAS PRODUCING SUBSTANTIALLY PURE METHANE.
Inventors
- 👤 W Franz
- 👤 H Hess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:04
CPC Classifications
C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G2400/00; C10G2400/26
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) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |