| 发明名称 |
Lubricating base oils. |
| 摘要 |
Lubricating base oils of enhanced aromaticity and high viscos ity index are manufactured by dehydrogenation of a high viscosity index base oil over a suitable catalyst and, optionally, subsequent hydrotreating of the dehydrogenated product.
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| 申请公布号 |
EP0383395(A1) |
申请公布日期 |
1990.08.22 |
| 申请号 |
EP19900200321 |
申请日期 |
1990.02.09 |
| 申请人 |
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
发明人 |
BEAL, FRANCOIS;MISSIAEN, ROLAND;MARSEU, ROBERTE;CABIN, PHILIPPE |
| 分类号 |
C10M101/02;C10G45/48;C10G45/50;C10G45/68;C10G50/02;C10G65/04;C10G69/02;C10G71/00;C10N60/02 |
主分类号 |
C10M101/02 |
| 代理机构 |
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