公开(公告)号：US10889547B2

公开(公告)日：2021-01-12

申请号：US16311206

申请日：2017-06-22

Applicant: BASF SE

Inventor： Sumana Roy ,  Andreas Keller ,  Wolfgang Siegel ,  Michael Joedecke ,  Martin Haubner

IPC: C07D215/20 ,  B01D3/14 ,  A23K20/132 ,  A23L3/3526 ,  B01D3/10 ,  B01J19/30

Abstract: The present invention relates to a process for purifying ethoxyquin by distillation, to high-purity ethoxyquin obtainable by means of distillative purification and to the use thereof, particularly as additive in foodstuffs and feedstuffs.