| 发明名称 |
Ortho - cresol and 2,6-xylenol from phenol |
| 摘要 |
<p>Phenol is continuously methylated with 10-20% methanol over a gamma-Al2O3 catalyst at 250-350 degrees C and 1 atmos. pressure. The catalyst has a lifetime of >1,000 hrs. under these conditions; thus the process does not often have to be interrupted.</p> |
| 申请公布号 |
CH500924(A) |
申请公布日期 |
1970.12.31 |
| 申请号 |
CH19680002164 |
申请日期 |
1968.02.14 |
| 申请人 |
CHEMICKE ZAVODY, CESKOSLOVENSKO-SOVETSKEHO PRATELSTVI, NARODNI PODNIK, VYZKUMNY USTAV PRO CHEMICKE VYUZITI UHLOVODIKU |
发明人 |
JONAS,JOSEF |
| 分类号 |
C07C37/16;(IPC1-7):C07C37/16;C07C39/06 |
主分类号 |
C07C37/16 |
| 代理机构 |
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代理人 |
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| 主权项 |
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