公开(公告)号：US09873658B2

公开(公告)日：2018-01-23

申请号：US15103789

申请日：2014-12-10

Applicant: BASF SE

Inventor： Andreas Weickgenannt ,  Bernd Bastian Schaack ,  Barbara Wucher ,  Alexander Panchenko ,  Frank Hettche ,  Martin Bock ,  Aik Meam Tan ,  Kirsten Dahmen

IPC: C07C209/72 ,  B01J23/46 ,  B01J35/10 ,  B01J37/02 ,  B01J37/08 ,  B01J37/18

CPC classification number: C07C209/72 ,  B01J23/462 ,  B01J35/1014 ,  B01J35/1038 ,  B01J35/1042 ,  B01J37/0225 ,  B01J37/0236 ,  B01J37/08 ,  B01J37/18 ,  Y02P20/582 ,  C07C211/36

Abstract: The present invention relates to a process for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA with hydrogen in the presence of a catalyst comprising ruthenium on a zirconium oxide support material, and also to the use of a catalyst comprising ruthenium on a zirconium oxide support material for hydrogenating 4,4′-methylenedianiline and/or polymeric MDA.