发明名称 PROCESS FOR THE SIMULTANEOUS DEALKALIZATION AND DESULPHURIZATION OF PHENOLS
摘要 <p>Crude phenol and also individual phenol fractions from tars or the hydrogenation of coal are purified from contaminating organic bases and sulfur compounds by treating the phenols with phthalic acid anhydride and optionally a quinone and distillation.</p>
申请公布号 GR900300086(T1) 申请公布日期 1991.07.31
申请号 GR19900300086T 申请日期 1991.07.31
申请人 RUTGERSWERKE AKTIENGESELLSCHAFT 发明人 TALBIERSKY, JORG, DR.;WEFRINGHAUS, BERNHARD;STOLZENBERG, KONRAD, DR.;BERGINS, WOLFGANG
分类号 C07C37/74;C07C37/86;C07C37/88;C07C39/04;C07C39/07;(IPC1-7):C07C37/74;C07C39/02 主分类号 C07C37/74
代理机构 代理人
主权项
地址