| 发明名称 |
Process and catalyst for polyolefin density and molecular weight control |
| 摘要 |
Catalysts comprising (a) derivatives of mono, bi and tricyclopentadienyl coordination complexes with a transition metal and (b) and an alumoxane are employed in a process of producing polyolefins of controlled molecular weight.
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| 申请公布号 |
US5324800(A) |
申请公布日期 |
1994.06.28 |
| 申请号 |
US19910752415 |
申请日期 |
1991.08.30 |
| 申请人 |
EXXON CHEMICAL PATENTS INC. |
发明人 |
WELBORN, JR., HOWARD C.;EWEN, JOHN A. |
| 分类号 |
C07F17/00;C08F4/602;C08F4/659;C08F4/6592;C08F10/00;C08F110/02;C08F210/16;(IPC1-7):C08F4/602 |
主分类号 |
C07F17/00 |
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