US3014860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Denitrification of hydrocarbon oils
Assignee: Shell USA Inc
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Filing: 1959-08-27
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Granted: 1961-12-26
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Expires: 1979-08-27
Abstract
No abstract record available.
Inventors
- 👤 Douwes Cornelis Th
- 👤 Pieter A Van Weeren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/06; C10G45/08; B; B01; B01J; B01J21/00; B01J21/12; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J27/00; B01J27/02; B01J27/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
PROCESS FOR THE REMOVAL OF NITROGEN FROM HYDROCARBON OILS CONTAINING THE SAME WHICH COMPRISES CONTACTING THE OIL IN THE PRESENCE OF ADDED HYDROGEN UNDER HYDROFINING CONDITIONS OF SPACE VELOCITY, TEMPERATURE AND PRESSURE WITH A CATALYST COMPRISING ZEROGEL CARRIER CONSISTING OF A MAJOR PROPORTION OF SILICA INTIMATELY COMBINED WITH A MINOR PROPORTION OF ALUMINA, SAID XEROGEL HAVING INCORPORATED ON ITS SURFACE BY IMPREGNATION PER 100 PARTS OF SAID CARRIER ABOUT 1 TO 8 PARTS BY WEIGHT OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL AND MIXTURES THEREOF, AND ABOUT 1 TO 20 PARTS BY WEIGHT OF ADDITIONAL ALUMINA.
Claim 2
Dependent Claim
100 words
PROCESS FOR THE REMOVAL OF NITROGEN FROM HYDROCARBON OILS CONTAINING THE SAME WHICH COMPRISES CONTACTING THE OIL IN THE PRESENCE OF ADDED HYDROGEN UNDER HYDROFINING CONDITIONS OF SPACE VELOCITY, TEMPERATURE AND PRESSURE WITH A CATALYST COMPRISING ZEROGEL CARRIER CONSISTING OF A MAJOR PROPORTION OF SILICA INTIMATELY COMBINED WITH A MINOR PROPORTION OF ALUMINA, SAID XEROGEL HAVING INCORPORATED ON ITS SURFACE BY IMPREGNATION PER 100 PARTS OF SAID CARRIER ABOUT 1 TO 8 PARTS BY WEIGHT OF A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL AND MIXTURES THEREOF, AND ABOUT 1 TO 20 PARTS BY WEIGHT OF ADDITIONAL ALUMINA.
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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |