发明名称 |
Method for preparing a spray-dried composition for use as a polymerization catalyst |
摘要 |
A method of making a spray-dried composition using a solution or mixture comprising the reaction product of a magnesium halide, a solvent, an electron donor compound, and a transition metal compound and an inert filler comprising substantially spherical particles having an average particle size ranging from 1 mum to about 12 mum.
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申请公布号 |
US6806221(B2) |
申请公布日期 |
2004.10.19 |
申请号 |
US20020196663 |
申请日期 |
2002.07.15 |
申请人 |
DOW GLOBAL TECHNOLOGIES INC. |
发明人 |
WAGNER BURKHARD ERIC;JORGENSEN ROBERT JAMES;SMALE MARK WILTON |
分类号 |
C08F4/50;C08F4/64;C08F10/02;C08F110/02;(IPC1-7):B01J31/00 |
主分类号 |
C08F4/50 |
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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