发明名称 |
Polymerization catalysts and processes. |
摘要 |
<p>Supported olefin polymerization catalyst systems can be produced using waste chromium compounds. Olefin polymers can be prepared using a catalyst system composition comprising a waste chromium compound and an alkyl aluminum compound, both supported on an inorganic oxide support, wherein at least a portion of the waste chromium compound is in a hexavalent state.</p> |
申请公布号 |
EP0548805(A1) |
申请公布日期 |
1993.06.30 |
申请号 |
EP19920121485 |
申请日期 |
1992.12.17 |
申请人 |
PHILLIPS PETROLEUM COMPANY |
发明人 |
REAGEN, WILLIAM KEVIN;PETTIJOHN, TED MATTHEW |
分类号 |
C08F4/22;C08F4/24;C08F10/00 |
主分类号 |
C08F4/22 |
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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