公开(公告)号：HU0003006A2

公开(公告)日：2001-12-28

申请号：HU0003006

申请日：2000-07-28

Applicant: DEGUSSA

Inventor： BENDER BARBARA ,  BERWEILER MONIKA ,  DR MOEBUS KONRAD ,  DR OSTGARD DANIEL ,  STEIN GERNOT

IPC: C07D307/08 ,  B01J25/00 ,  B01J25/02 ,  B01J37/00 ,  B01J37/02 ,  C07B61/00 ,  C07C29/149 ,  C07C29/17 ,  C07C31/125 ,  C07C31/20 ,  C07D307/33

Abstract: In the overall methods of hydrogenating esters and maleic anhydride, which methods comprise a hydration reaction, comprising conducting the hydration reaction in the presence of the shaped Raney metal fixed-bed catalysts of the invention.