发明名称 |
Process for the manufacture of lubricating base oils. |
摘要 |
Lubricating base oils having a high viscosity index, preferably at least 135, are manufactured by catalytic hydroisomerisation of a hydrocarbonaceous feedstock, derived from a waxy crude oil, which feedstock has not been treated to remove a lubricating base oil fraction and which feedstock contains at least 30% by weight wax and has at least 80% by weight boiling above 300 DEG C and at most 30% by weight boiling above 540 DEG C.
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申请公布号 |
EP0400742(A1) |
申请公布日期 |
1990.12.05 |
申请号 |
EP19900201335 |
申请日期 |
1990.05.23 |
申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
BERTAUX, JEAN-MARIE ALEXANDRE, SHELL RECHERCHE S.A;HOLLEY, JEAN-CLAUDE MAXIMILIEN SHELL RECHERCHE S.A;JANSSEN, MARTINUS MARIA PETRUS SHELL RECHERCHE S.A |
分类号 |
C10G45/58;C10G45/60;C10G50/02;C10G67/04;C10G71/00 |
主分类号 |
C10G45/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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