| 发明名称 |
Process for the manufacture of glycolic acid or its esters |
| 摘要 |
Glycolic acid or the esters thereof are prepared by reacting paraformaldehyde or trioxane or a mixture thereof with formic acid or a formic acid ester in the liquid phase at a temperature of from 70 DEG to 200 DEG C in the presence of a strongly acidic catalyst.
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| 申请公布号 |
US4128575(A) |
申请公布日期 |
1978.12.05 |
| 申请号 |
US19770853210 |
申请日期 |
1977.11.14 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
LEUPOLD, ERNST I.;ARPE, HANS-JURGEN |
| 分类号 |
C07C51/367;(IPC1-7):C07C59/06 |
主分类号 |
C07C51/367 |
| 代理机构 |
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代理人 |
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| 地址 |
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