发明名称 |
Purification method of cyclohexanone-oxime |
摘要 |
<p>The invention relates to a purification method of cyclohexanone-oxime in a solution of solvents immiscible with water, which consists in washing said solutions with water or with an aqueous solution of a base having a pK <5 or in passing the solutions of cyclohexanone-oxime through a weakly alkaline ion exchange resin and, optionally, also through a weakly acid ion exchange resin.</p> |
申请公布号 |
EP1270548(A1) |
申请公布日期 |
2003.01.02 |
申请号 |
EP20020077508 |
申请日期 |
2002.06.24 |
申请人 |
SYNDIAL S.P.A. |
发明人 |
FUKAO, MASAMI;CAINELLI, FRANCESCO;TESSARI, ROBERTO;FURLAN, PIERO |
分类号 |
C07C249/14;C07C251/44;(IPC1-7):C07C249/14 |
主分类号 |
C07C249/14 |
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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