Patent US3228993A successfully refreshed from Google Patents.
US3228993A
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Catalytic hydrogenation process employing a reduced nickel- molybdenum-alumina catalyst
Assignee: Chevron USA Inc
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Filing: 1962-08-23
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Granted: 1966-01-11
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Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Robert H Kozlowski
- 👤 Robert L Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:40
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/883; C10G45/04; C10G45/06; C10G45/08; C10G45/44; C10G45/46; C10G45/48; C10G45/50; C10G49/00; C10G49/02; C10G49/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
THE PROCESS WHICH COMPRISES (1) PASSING AN AROMATIC HYDROCARBON OIL FEED ESSENTIALLY FREE OF SULFUR CONTAMINANTS THROUGH A REACTION ZONE CONTAINING A REDUCED NICKEL-MOLYBDENUM-ALUMINA CATALYST, AT HYDROGENATION CONDITIONS, AND RECOVERING PRODUCT OIL CONTAINING SUBSTANTIALLY LESS AROMATICS; THEN (2) SULFIDING THE CATALYST; AND THE (3) PASSING AN AROMATIC HYDROCARBON OIL FEED CONTAINING SULFUR AND NITROGEN CONTAMINANTS THROUGH SAID REACTION ZONE CONTAINING THE SULFIDED NICKEL-MOLYBDDENUMALUMINA CATALYST, AT HYDROGENATION CONDITIONS, AND RECOVERING PRODUCT OIL CONTAINING SUBSTANTIALLY LESS SULFUR AND NITROGEN COMPOUNDS; SAID CATALYST HAVING A COMPOSITION IN THE RANGES 5-13 WEIGHT PERCENT NIO, 23-45 WEIGHT PERCENT MOO3, AND THE BALANCE AL233 WHEN IN THE OXIDE FORM.
Claim 2
Dependent Claim
103 words
THE PROCESS WHICH COMPRISES (1) PASSING AN AROMATIC HYDROCARBON OIL FEED ESSENTIALLY FREE OF SULFUR CONTAMINANTS THROUGH A REACTION ZONE CONTAINING A REDUCED NICKEL-MOLYBDENUM-ALUMINA CATALYST, AT HYDROGENATION CONDITIONS, AND RECOVERING PRODUCT OIL CONTAINING SUBSTANTIALLY LESS AROMATICS; THEN (2) SULFIDING THE CATALYST; AND THE (3) PASSING AN AROMATIC HYDROCARBON OIL FEED CONTAINING SULFUR AND NITROGEN CONTAMINANTS THROUGH SAID REACTION ZONE CONTAINING THE SULFIDED NICKEL-MOLYBDDENUMALUMINA CATALYST, AT HYDROGENATION CONDITIONS, AND RECOVERING PRODUCT OIL CONTAINING SUBSTANTIALLY LESS SULFUR AND NITROGEN COMPOUNDS; SAID CATALYST HAVING A COMPOSITION IN THE RANGES 5-13 WEIGHT PERCENT NIO, 23-45 WEIGHT PERCENT MOO3, AND THE BALANCE AL233 WHEN IN THE OXIDE FORM.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |