发明名称 |
Process for obtaining aqueous glyoxylic acid solutions |
摘要 |
Process for obtaining aqueous glyoxylic acid solutions which are essentially free from other acids, from aqueous solutions which furthermore contain other acids, by mixing the aqueous solution with an organic nitrogen compound at temperatures of up to 50 DEG C, separating the phases and extracting the glyoxylic acid from the organic phase at a higher temperature using water.
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申请公布号 |
DE3334863(A1) |
申请公布日期 |
1985.04.11 |
申请号 |
DE19833334863 |
申请日期 |
1983.09.27 |
申请人 |
BASF AG |
发明人 |
WICKENHAEUSER,GERHARD,DR.;HEIDA,BERND;GRAF,FRITZ,DR.;HUPFER,LEOPOLD,DR. |
分类号 |
C07C59/153;C07C51/00;C07C51/48;C07C67/00;(IPC1-7):C07C59/153 |
主分类号 |
C07C59/153 |
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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