发明名称 |
Stable concentrated rare earth carboxylate liquids |
摘要 |
Stable Rare Earth carboxylate liquids having high concentrations of Rare Earths and suitable for use in forming active Ziegler Natta catalysts, are prepared with stabilizing agents such as water and/or acid. The liquids comprise from about 4.5% to about 20% Rare Earth element(s). A novel process for making is disclosed.
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申请公布号 |
US6111082(A) |
申请公布日期 |
2000.08.29 |
申请号 |
US19980062236 |
申请日期 |
1998.04.17 |
申请人 |
RHODIA RARE EARTHS INC. |
发明人 |
YUNLU, KENAN;HE, MIN;CUIF, JEAN-PIERRE;ALAS, MICHEL |
分类号 |
B01J31/04;C07C51/41;C07C53/128;C07F5/00;C08F4/52;C08F36/00;C08F36/04;(IPC1-7):C07F5/00;C08F4/44 |
主分类号 |
B01J31/04 |
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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