| 发明名称 |
PROCESS FOR THE SIMULTANEOUS REMOVAL OF BASES AND SULPHUR FROM PHENOIS |
| 摘要 |
A process for the simultaneous removal of bases and sulphur from phenols. Crude phenol, as well as individual phenol fractions from tars or from the hydrogenation of coals, have contaminating organic bases and sulphur compounds removed from them if the phenols are thermally processed with phthalic acid anhydride and optionally a chinon, and distilled.
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| 申请公布号 |
CA2004601(A1) |
申请公布日期 |
1990.06.19 |
| 申请号 |
CA19892004601 |
申请日期 |
1989.12.05 |
| 申请人 |
RUTGERSWERKE AKTIENGESELLSCHAFT |
发明人 |
TALBIERSKY, JORG;WEFRINGHAUS, BERNHARD;STOLZENBERG, KONRAND;BERGINS, WOLFGANG |
| 分类号 |
C07C37/74;C07C37/86;C07C37/88;C07C39/04;C07C39/07;(IPC1-7):C07C37/74 |
主分类号 |
C07C37/74 |
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