| 发明名称 |
IMPROVEMENT OF MINERAL OIL VISCOSITY |
| 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. |
| 申请公布号 |
JPH0328286(A) |
申请公布日期 |
1991.02.06 |
| 申请号 |
JP19900128112 |
申请日期 |
1990.05.17 |
| 申请人 |
SHELL INTERNATL RES MAATSCHAPPIJ BV |
发明人 |
UIREMU SHIYAARUDEIN;UIRUHERUMINA YOHANNA MARIA FUAN DERU RINDENNREMERUSU;MARINUSU YOHANNESU REINOUTO;HENDORIKU SUHAADENBERUFU |
| 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 |
主分类号 |
C10L1/16 |
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