公开(公告)号：US3910951A

公开(公告)日：1975-10-07

申请号：US45014674

申请日：1974-03-11

Applicant: BASF AG

Inventor： FUERST ERNST ,  WINDERL SIEGFRIED ,  WITTWER ARNOLD ,  HOFFMANN HERWIG

IPC: C07D207/40 ,  C07D207/404 ,  C07D207/32

CPC classification number: C07D207/404 ,  C07D207/40

Abstract: Manufacture of succinimide from succinic acid and aqueous ammonia in the presence of small amounts of tertiary ammonium phosphate.

Abstract translation: 在少量磷酸三铵存在下，从琥珀酸和氨水中制备琥珀酰亚胺。

公开(公告)号：US3657315A

公开(公告)日：1972-04-18

申请号：US3657315D

申请日：1969-12-03

Applicant: BASF AG

Inventor： WEGERICH ANTON ,  AREND WOLFGANG ,  HIMMELHAN EMIL ,  WITTWER ARNOLD

IPC: C07C121/26

CPC classification number: C07C255/00

Abstract: PURIFICATION OF ADIPONITRILE BY CRYSTALLIZATION FROM AN ALKANOL HAVING FROM FOUR TO EIGHT CARBON ATOM. THE PROCESS IS PARTICULARLY SUITABLE FOR THE PURIFICATION OF ADIPONITRILE CONTAINING CYANOCYCLOPENTANONIMINE. ADIPONITRILE IS AN INTERMEDIATE FOR THE PRODUCTION OF NYLON-6, A FIBER INTERMEDIATE.