Process for recovering a mixture comprising a (thio)phosphoric acid derivative

US10954256B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Tobias Lang · Dossenheim, DE
• Karl-Heinrich Schneider · Kleinkarlbach, DE
• Zoltan Baan · Frankenthal (Pfalz), DE
• Philip Muelheims · Ludwigshafen, DE
• Steffen Tschirschwitz · Mannheim, DE
• Sascha Shuxia Zhu · Viernheim, DE

Key dates

• Filing date: Sep 30, 2016
• Grant date: Mar 23, 2021
• Expiry date: May 14, 2037

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/2475
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Provided herein is a use of a high-boiling solvent in a mixture comprising a (thio)phosphoric acid derivative and a process including the addition of a high-boiling solvent to a mixture comprising a (thio)phosphoric acid derivative to recover the (thio)phosphoric acid from the mixture by an evaporation process.