Method for the purification of ethoxyquin

US10889547B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Sumana Roy · Lampertheim, DE
• Andreas Keller · Speyer, DE
• Wolfgang Siegel · Schifferstadt, DE
• Michael Joedecke · Ludwigshafen am Rhein, DE
• Martin Haubner · Ludwigshafen am Rhein, DE

Key dates

• Filing date: Jun 22, 2017
• Grant date: Jan 12, 2021
• Expiry date: Jun 22, 2037

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A23V2200/02
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

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.