US3310485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of olefinic gasoline
Assignee: Gulf Research and Development Co
•
Filing: 1964-05-04
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Granted: 1967-03-21
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Expires: 1984-05-04
Abstract
No abstract record available.
Inventors
- 👤 Paul G Bercik
- 👤 Alfred M Henke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:50
CPC Classifications
C; C10; C10G; C10G45/00; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR HYDROGENATING A GASOLINE CONTAINING OLEFINIC COMPONENTS WHICH COMPRISES CONTACTING THE GASOLINE WITH HYDROGEN IN THE PRESENCE OF A HYDROCRACKING CATALYST UNDER HYDROGENATING CONDITIONS OF PRESSURE, SPACE VELOCITY AND HYDROGEN FEED RATE AND AT AN INITIAL TEMPERATURE ABOVE ABOUT 500*F., MAINTAINING THE TEMPERATURE ABOVE 500*F. UNTIL THE CATALYST HAS BEEN CONTACTED BY AT LEAST 500 VOLUMES OF GASOLINE PER VOLUME OF CATALYST, THEN REDUCING THE TEMPERATURE TO BELOW ABOUT 460*F. WHILE CONTINUING THE HYDROGENATION.
Claim 2
Dependent Claim
76 words
A PROCESS FOR HYDROGENATING A GASOLINE CONTAINING OLEFINIC COMPONENTS WHICH COMPRISES CONTACTING THE GASOLINE WITH HYDROGEN IN THE PRESENCE OF A HYDROCRACKING CATALYST UNDER HYDROGENATING CONDITIONS OF PRESSURE, SPACE VELOCITY AND HYDROGEN FEED RATE AND AT AN INITIAL TEMPERATURE ABOVE ABOUT 500*F., MAINTAINING THE TEMPERATURE ABOVE 500*F. UNTIL THE CATALYST HAS BEEN CONTACTED BY AT LEAST 500 VOLUMES OF GASOLINE PER VOLUME OF CATALYST, THEN REDUCING THE TEMPERATURE TO BELOW ABOUT 460*F. WHILE CONTINUING THE HYDROGENATION.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |