发明名称 |
Method for recovering cyclohexanone oxime |
摘要 |
A liquid cyclohexanone oxime A is vaporized by heating to obtain a cyclohexanone oxime gas A1 and the remaining residue C is distilled under a pressure lower than the pressure upon vaporization by heating, and then cyclohexanone oxime A2 contained in the residue C is recovered.
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申请公布号 |
EP1985609(A1) |
申请公布日期 |
2008.10.29 |
申请号 |
EP20080153394 |
申请日期 |
2008.03.27 |
申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
YOKOTA, MASASHI;KUWAHARA, KANJI |
分类号 |
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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