发明名称 Process for the preparation of 4,4'-diaminodiphenylmethane and its derivatives.
摘要 <p>4,4'-diaminodiphenylmethane and its derivatives are prepared by the synthesis and/or isomerization of appropriate products, with zeolites acting as catalysts; these catalysts, which are selected in accordance with the reaction to be effected, are zeolites based on Si, Al and B; Si, Al and Ti; Ti and Fe; ZSM-5; or Y zeolites.</p>
申请公布号 EP0264744(A2) 申请公布日期 1988.04.27
申请号 EP19870114787 申请日期 1987.10.09
申请人 ENIRICERCHE S.P.A.;ENICHEM SYNTHESIS S.P.A. 发明人 CLERICI, MARIO GABRIELE;BELLUSSI, GIUSEPPE;ROMANO, UGO
分类号 B01J29/04;(IPC1-7):C07C85/24;B01J29/28;C07C87/52 主分类号 B01J29/04
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