| 发明名称 |
Verfahren zur Herstellung von Phenol-Halbformalen |
| 摘要 |
<p>Method for the preparation of phenol semiformals, wherein a mixture of a phenol and aqueous formaldehyde solution is heated for 0.5 - 5 hr., pref. from 1-2 hr. at 30-80 deg.C, pref. 40-60 deg.C, and the product is separated by distilling the water from the separated organic phase under reduced pressure. Microbicides.</p> |
| 申请公布号 |
CH500150(A) |
申请公布日期 |
1970.12.15 |
| 申请号 |
CH19680013032 |
申请日期 |
1968.08.29 |
| 申请人 |
FARBENFABRIKEN BAYER AKTIENGESELLSCHAFT |
发明人 |
BOEHMKE,GUENTHER,DR.;RUHLIG,GERHARD,DR. |
| 分类号 |
C07C43/23;(IPC1-7):C07C43/30 |
主分类号 |
C07C43/23 |
| 代理机构 |
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代理人 |
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| 地址 |
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