Patent US2168961A successfully refreshed from Google Patents.
Patent US2816905A successfully refreshed from Google Patents.
US2816905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic treatment of hydrocarbons containing oxygenated compounds
Assignee: Gulf Research and Development Co
•
Filing: 1952-12-29
•
Granted: 1957-12-17
•
Expires: 1972-12-29
Abstract
No abstract record available.
Inventors
- 👤 William I Gilbert
- 👤 William A Horne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:47
CPC Classifications
C; C10; C10G; C10G25/00; Y; Y10; Y10S; Y10S208/00; Y10S208/95; Y10S585/00; Y10S585/949; Y10S585/952
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR DEOXYGENATING A HYDROCARBON FRACTION COMPRISING DIESEL FUEL CONTAINING OLEFINS AND OXYGENATED COMPOUNDS OBTAINED BY THE REACTION OF CARBON MONOXIDE AND A HYDROGEN-CONTAINING GAS WHICH COMPRISES PASSING SAID HYDROCARBON FRACTION AT A TEMPERATURE OF ABOUT 500* TO ABOUT 1100*F. OVER A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA, FULLER''S EARTH AND BAUXITE IN THE PRESENCE OF AMMONIA IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY INHIBIT HYDROCARON ISOMERIZATION AND TO MAINTAIN THE PH OF THE AQUEOUS PRODUCT ABOVE ABOUT 6.5.
Claim 2
Dependent Claim
81 words
A PROCESS FOR DEOXYGENATING A HYDROCARBON FRACTION COMPRISING DIESEL FUEL CONTAINING OLEFINS AND OXYGENATED COMPOUNDS OBTAINED BY THE REACTION OF CARBON MONOXIDE AND A HYDROGEN-CONTAINING GAS WHICH COMPRISES PASSING SAID HYDROCARBON FRACTION AT A TEMPERATURE OF ABOUT 500* TO ABOUT 1100*F. OVER A CATALYST SELECTED FROM THE GROUP CONSISTING OF ALUMINA, FULLER''S EARTH AND BAUXITE IN THE PRESENCE OF AMMONIA IN AN AMOUNT SUFFICIENT TO SUBSTANTIALLY INHIBIT HYDROCARON ISOMERIZATION AND TO MAINTAIN THE PH OF THE AQUEOUS PRODUCT ABOVE ABOUT 6.5.
References Cited (Backward Citations)
US2400409A
Cited
US2373153A
Cited
US2470216A
Cited
US2397639A
Cited
US2589273A
Cited
US2700676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |