发明授权
US06479424B1 Fluxional catalysts and related ligands containing bulky substituents
有权
含有大体积取代基的助焊剂和相关配体
- 专利标题： Fluxional catalysts and related ligands containing bulky substituents
- 专利标题（中）： 含有大体积取代基的助焊剂和相关配体
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申请号： US09459732申请日： 1999-12-13
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公开(公告)号： US06479424B1公开(公告)日： 2002-11-12
- 发明人: Andreas B. Ernst , Eric J. Moore , Charles L. Myers , Roger W. Quan
- 申请人： Andreas B. Ernst , Eric J. Moore , Charles L. Myers , Roger W. Quan
- 主分类号： B01J3138
- IPC分类号： B01J3138
摘要：
A ligand useful to form a metallocene olefin polymerization catalyst comprises: wherein at least R3 and R4 are substituents having at least a bulk of a t-butyl group and, optionally, wherein R1 or R2 may be a bulky substituent group.