发明名称 |
Polymerization process for producing bimodal polymers |
摘要 |
Catalyst compositions comprising a first metallocene compound, a second metallocene compound, an activator-support, and an organoaluminum compound are provided. An improved method for preparing cyclopentadienyl complexes used to produce polyolefins is also provided.
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申请公布号 |
US8507621(B2) |
申请公布日期 |
2013.08.13 |
申请号 |
US201213663528 |
申请日期 |
2012.10.30 |
申请人 |
CHEVRON PHILLIPS CHEMICAL COMPANY LP |
发明人 |
JAYARATNE KUMUNDINI C.;JENSEN MICHAEL D.;YANG QING |
分类号 |
C08F4/64;C08F4/52;C08F4/76 |
主分类号 |
C08F4/64 |
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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