发明名称 |
Process for the purification of phosphorus oxychloride |
摘要 |
Impure POCl3 is purified by distillation in the presence of high-boiling nitrogen compounds from the group consisting of the substituted pyridines and pyrimidines, the open-chain and cyclic aliphatic amines, the open-chain and cyclic amidines, the guanidines and the aromatic amines.
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申请公布号 |
US5911962(A) |
申请公布日期 |
1999.06.15 |
申请号 |
US19980113988 |
申请日期 |
1998.07.10 |
申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
MAIS, FRANZ-JOSEF;FIEGE, HELMUT |
分类号 |
C01B25/10;(IPC1-7):C01B25/10 |
主分类号 |
C01B25/10 |
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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