Process for purifying 2,5-dichlorophenol

US9701604B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Eric George Klauber · Bad Dürkheim, DE
• Michael Rack · Eppelheim, DE
• Thomas Zierke · Böhl-Iggelheim, DE
• Sebastian WLOCH · Ludwigshafen am Rhein, DE
• Nicole Holub · Mannheim, DE
• Stefan Dudenhoeffer · Ludwigshafen, DE
• Gerald Schmelebeck · Buna, US
• Junmin JI · Beaumont, US
• David A. Cortes · Fairless Hills, US

Key dates

• Filing date: Dec 1, 2014
• Grant date: Jul 11, 2017
• Expiry date: Dec 1, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C37/84
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for purifying 2,5-dichlorophenol, the process comprising the steps of distillation and subsequent crystallization.