发明名称 |
Process for the gas phase polymerization of olefins |
摘要 |
A process for preparing and controlling the density of high density polyethylene in the gas phase comprising contacting ethylene or a mixture of ethylene and one or more alpha-olefins with a chromium oxide catalyst supported on a granular or microspherical refractory oxide in a fluidized bed reactor in the presence of oxygen.
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申请公布号 |
US6891001(B2) |
申请公布日期 |
2005.05.10 |
申请号 |
US20030240719 |
申请日期 |
2003.03.21 |
申请人 |
BP CHEMICALS LIMITED |
发明人 |
KUHLBURGER JEAN-JACQUES |
分类号 |
C08F2/00;C08F2/34;C08F4/69;C08F10/02;C08F110/02;(IPC1-7):C08F2/34 |
主分类号 |
C08F2/00 |
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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