发明名称 |
FREMGANGSMAADE TIL FREMSTILLING AF AROMATISKE ISOCYANATER I NAERVAER AF KATALYSATORER BASERET PAA ET HETEROPOLYMETAL-KOMPLEKS |
摘要 |
A process for the manufacture of aromatic isocyanates by carbonylation of nitro derivatives comprising carrying out the reaction in the presence of supported catalysts containing as the active phase particles or an oxide of a precious metal of Group VIII and of a metal selected from Group VB, VIB, and VIII of the Periodic Table; the precursor of the active phase being a heteropolymetallic complex and, more particularly, a mixed bimetallic cluster. |
申请公布号 |
DK486182(A) |
申请公布日期 |
1983.05.04 |
申请号 |
DK19820004861 |
申请日期 |
1982.11.02 |
申请人 |
P C U K PRODUITS CHIMIQUES UGINE KUHLMANN |
发明人 |
KERVENNAL JACQUES;COGNION JEAN-MARIE;BRAUNSTEIN PIERRE PASCAL |
分类号 |
B01J23/00;B01J23/652;B01J23/89;B01J31/00;B01J37/08;C07C67/00;C07C241/00;C07C263/14;C07C265/00;C07C265/12;(IPC1-7):C07C/ |
主分类号 |
B01J23/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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