发明名称 |
Dual, independently supported catalyst mixtures |
摘要 |
A catalyst mixture containing at least two independently supported catalysts, at least one of which is an inorganic halide supported titanium and/or vanadium Ziegler type catalyst and at least one other is an inorganic oxide supported, chromium catalyst. These catalyst mixtures are suitable for polymerizing one or more alpha -olefins.
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申请公布号 |
US4285834(A) |
申请公布日期 |
1981.08.25 |
申请号 |
US19790108896 |
申请日期 |
1979.12.31 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
LOWERY, JR., KIRBY;VANCE, JR., FRED L. |
分类号 |
C08F4/24;C08F10/00;(IPC1-7):C08F4/02;C08F4/62;C08F4/64 |
主分类号 |
C08F4/24 |
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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