发明名称 |
Production of lubricating oils by a combination catalyst system |
摘要 |
A process for preparing a lubricating oil basestock having good low temperature properties. The process includes a first amorphous isomerization catalyst having a pore volume less than 0.99 ml/gm (H2O), an alumina content in the range of 30-50 wt % based on isomerization catalyst and an isoelectric point in the range of 4.5 to 6.5. The isomerization step is followed by a catalytic dewaxing step using an intermediate pore crystalline molecular sieve. |
申请公布号 |
AU3290699(A) |
申请公布日期 |
1999.08.30 |
申请号 |
AU19990032906 |
申请日期 |
1999.02.12 |
申请人 |
EXXON RESEARCH AND ENGINEERING COMPANY |
发明人 |
DANIEL PAUL LETA;STUART LEON SOLED;GARY BRICE MCVICKER;SYLVAIN HANTZER |
分类号 |
B01J29/06;B01J23/42;B01J23/63;B01J29/67;B01J29/74;B01J35/00;C10G35/06;C10G45/60;C10G45/64;C10G65/02;C10G65/04;C10G67/04;C10G71/00 |
主分类号 |
B01J29/06 |
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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