| 发明名称 |
PROCESS FOR THE CONTINUOUS PREPARATION OF GLYOXYLIC ACID |
| 摘要 |
A process for the continuous preparation of a concentrated aqueous solution of glyoxylic acid by hydrolysis of glyaxylic acid ester hemiacetals, wherein glyoxylic acid ester hemiacetals are treated with steam in countercurrent in a reactor cascade.
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| 申请公布号 |
CA2017583(C) |
申请公布日期 |
2001.07.10 |
| 申请号 |
CA19902017583 |
申请日期 |
1990.05.25 |
| 申请人 |
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发明人 |
SAJTOS, ALEXANDER;FARNLEITNER, LORENZ;HOLLINGER, KARL;KLOIMSTEIN, ENGELBERT |
| 分类号 |
C07C51/09;C07C59/153;(IPC1-7):C07C51/38;C07C59/185 |
主分类号 |
C07C51/09 |
| 代理机构 |
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代理人 |
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