Patent EP0102229A1 successfully refreshed from Google Patents.
Patent US3062735A successfully refreshed from Google Patents.
US3062735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined processes of reforming and lubricating oil hydrogenation
Assignee: Gulf Research and Development Co
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Filing: 1959-12-14
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Granted: 1962-11-06
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Expires: 1979-12-14
Abstract
No abstract record available.
Inventors
- 👤 Robert E Donaldson
- 👤 William C Offutt
- 👤 Rice Theodore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
C; C10; C10G; C10G69/00; C10G49/00; C10G49/007; C10G69/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A PROCESS FOR THE PREPARATION OF LUBRICATING OIL COMPRISING CONTACTING A SULFIDED CATALYST COMPRISING A METAL OF THE LEFT HAND COLUMN OF GROUP VI AND A GROUP VIII METAL SUPPORTED UPON A CARRIER MATERIAL HAVING AN ACTIVITY FOR CRACKING CORRESPONDING TO A RATING OF AT LEAST 12 ON THE KELLOGG ACTIVITY SCALE WITH A STREAM OF LIQUID DEASPHALTED HYDROCARBON CHARGE OIL WHICH IS HEAVIER THAN THE LUBRICATING OIL TO BE PRODUCED IN ADMIXTURE WITH A STREAM OF HYDROGEN UNDER HYDROTREATING CONDITIONS OF TEMPERATURE, PRESSURE AND HYDROGEN-CHARGE RATIO, SAID HYDROGEN BEING PRODUCED IN A HYDROREFORMING PROCESS TO WHICH HALOGEN AND A WATER FORMING SUBSTANCE ARE CONTINUOUSLY ADDED, THE AMOUNT OF HALOGEN ADDED TO THE REFORMING PROCESS BEING AT LEAST SUFFICIENT FOR HALOGEN PROMOTION OF BOTH THE HYDROREFORMING PROCESS AND THE HYDROTREATING PROCESS, RECOVERING AN EFFLUENT FROM SAID HYDROTREATMENT AND SEPARATING A HIGH QUALITY LUBRICATING OIL FRACTION FROM SAID EFFLUENT.
Claim 2
Dependent Claim
148 words
A PROCESS FOR THE PREPARATION OF LUBRICATING OIL COMPRISING CONTACTING A SULFIDED CATALYST COMPRISING A METAL OF THE LEFT HAND COLUMN OF GROUP VI AND A GROUP VIII METAL SUPPORTED UPON A CARRIER MATERIAL HAVING AN ACTIVITY FOR CRACKING CORRESPONDING TO A RATING OF AT LEAST 12 ON THE KELLOGG ACTIVITY SCALE WITH A STREAM OF LIQUID DEASPHALTED HYDROCARBON CHARGE OIL WHICH IS HEAVIER THAN THE LUBRICATING OIL TO BE PRODUCED IN ADMIXTURE WITH A STREAM OF HYDROGEN UNDER HYDROTREATING CONDITIONS OF TEMPERATURE, PRESSURE AND HYDROGEN-CHARGE RATIO, SAID HYDROGEN BEING PRODUCED IN A HYDROREFORMING PROCESS TO WHICH HALOGEN AND A WATER FORMING SUBSTANCE ARE CONTINUOUSLY ADDED, THE AMOUNT OF HALOGEN ADDED TO THE REFORMING PROCESS BEING AT LEAST SUFFICIENT FOR HALOGEN PROMOTION OF BOTH THE HYDROREFORMING PROCESS AND THE HYDROTREATING PROCESS, RECOVERING AN EFFLUENT FROM SAID HYDROTREATMENT AND SEPARATING A HIGH QUALITY LUBRICATING OIL FRACTION FROM SAID EFFLUENT.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |