发明名称 |
DIMERIC AND TETRAMERIC CYCLOPENTADIENYL GROUP 6b METAL ALPHA-OLEFIN POLYMERIZATION CATALYSTS AND PROCESS FOR POLYMERIZING ALPHA-OLEFINS |
摘要 |
Disclosed is a catalyst system for the homopolymerization and copolymerization of alpha-olefins having 2-8 carbon atoms, said catalyst system comprising a dimeric or tetrameric cyclopentadienyl Group 6b metal compound in which the metal has an oxidation state of +2, said Group 6b metal compound being supported on an inorganic support. The catalyst system may also contain a Group 2 or Group 3 metal alkyl compound cocatalyst. |
申请公布号 |
EP0620829(B1) |
申请公布日期 |
1997.04.23 |
申请号 |
EP19930918124 |
申请日期 |
1993.06.17 |
申请人 |
CHEVRON RESEARCH AND TECHNOLOGY COMPANY, |
发明人 |
CARNEY, MICHAEL, J.;BEACH, DAVID, L. |
分类号 |
C08F4/60;C08F4/639;C08F4/6392;C08F4/69;C08F4/78;C08F10/00;(IPC1-7):C08F4/69 |
主分类号 |
C08F4/60 |
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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