发明名称 |
Catalytic composition for carbonylation including iridium and pyridine polymers |
摘要 |
An improvement to methanol carbonylation processes utilizing a homogeneous iridium catalyst system comprises adding a rate-promoting amount of an insoluble pyridine ring-containing polymer. Typically, polyvinylpyridine is added to the reactor in amounts of up to about 2 wt. percent.
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申请公布号 |
US6458995(B1) |
申请公布日期 |
2002.10.01 |
申请号 |
US20000540124 |
申请日期 |
2000.03.31 |
申请人 |
CELANESE INTERNATIONAL CORPORATION |
发明人 |
CHEUNG HUNG-CHEUN;SIBREL ELAINE C.;TORRENCE G. PAUL |
分类号 |
B01J31/28;B01J31/16;B01J31/18;C07B61/00;C07C51/12;C07C53/08;(IPC1-7):C07C51/12 |
主分类号 |
B01J31/28 |
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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