Hydrocracking process for producing lubricating oils
Abstract
Abstract A PROCESS FOR PRODUCING LUBRICATING OILS WHICH COMPRISES HYDROCRACKING IN A HYDROCRACKING ZONE AT A TEMPERATURE OF 500* TO 850*F. AND A PRE-PASS CONVERSION OF 20 TO 90 VOLUME PERCENT A HYDROCARBON FEEDSTOCK CONTAINING A SUBSTANTIAL AMOUNT OF MATERIALS BOILING ABOVE 700:F., IN THE PRESENCE OF A HYDROCRACKING CATALYST COMPRISING AT LEAST ONE HYDROGENATING COMPONENT AND A CRYSTALLINE ZEOLITIC MOLECULAR SIEVE CRACKING COMPONENT SELECTEDC FROM ZEOLITE A, FAUJASITE, ZEOLITE X AND ZEOLITE Y, AND FURTHER SELECTED FROM COMPONENTS SUBSTANTIALLY IN THE DECATIONIZED, AMMONIUM OR HYDROGEN FORM, AND RECOVERING FROM THE HYDROCRACKING XONE A PLURALITY OF LUBRICATING OIL FRACTIONS BOILING ABOVE 700*F. AND HAVING V.I.''S IN THE RANGE OF 90 TO 120 AND A V.I. SPREAD OF 20 UNITS OR LESS. D R A W I N G
Inventors
- 👤 R White
Bibliographic Details
Claims Analysis
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| 3.5 Years (Year 4) | 1977-02-04 | 1977-08-06 | 1978-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-04 | 1981-08-06 | 1982-02-05 | $3760.00 | Window Closed / Lapsed |
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