公开(公告)号：US20230150918A1

公开(公告)日：2023-05-18

申请号：US17913175

申请日：2021-03-24

Applicant: BASF SE

Inventor： Maxime HUCHEDE ,  Sandra CHOUZIER

IPC: C07C209/26 ,  C07C209/28 ,  C07C211/12

CPC classification number: C07C209/26 ,  C07C209/28 ,  C07C211/12

Abstract: The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst, wherein a Raney nickel catalyst modified by treatment with carbon monoxide or carbon dioxide in a liquid medium is used.

公开(公告)号：US20230128673A1

公开(公告)日：2023-04-27

申请号：US17913177

申请日：2021-03-24

Applicant: BASF SE

Inventor： Maxime HUCHEDE ,  Sandra CHOUZIER

IPC: C07C209/48 ,  B01J25/02 ,  B01J23/04

Abstract: The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst and a basic co-catalyst containing potassium hydroxide, wherein the basic co-catalyst contains a further basic compound selected from the group consisting of alkaline hydroxides, alkaline earth hydroxides and ammonium hydroxides.