| 发明名称 |
VISCOSITY MODIFICATION OF MINERAL OILS |
| 摘要 |
Mineral oil composition comprising an additive which has been prepared by copolymerizing a mixture of at least two alpha-olefins with at least 16 carbon atoms each in the presence of a catalyst comprising a) a tetravalent titanium compound on a magnesium dihalide support and an alkyl ester of an aromatic carboxylic acid and b) a trialkyl aluminium compound.
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| 申请公布号 |
CA2016994(C) |
申请公布日期 |
2001.07.10 |
| 申请号 |
CA19902016994 |
申请日期 |
1990.05.17 |
| 申请人 |
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发明人 |
SJARDIJN, WILLEM;SCHADENBERG, HENDRIK;REYNHOUT, MARINUS J.;VAN DER LINDEN-LEMMERS, WILHELMINA J.M. |
| 分类号 |
C10L1/16;C08F4/60;C08F4/658;C08F10/14;C08F210/14;C09K3/00;C10L10/14;C10L10/16;C10M143/08;C10N30/02;C10N40/25;C10N70/00;(IPC1-7):C10M143/08;C08F4/642 |
主分类号 |
C10L1/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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