Process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process

US5068475A · kind A · utility

Assignee

• Wacker Chemie AG · DE

Inventors

• Ludwig Schmidhammer · Haiming, DE
• Klaus Haselwarter · Burghausen, DE
• Hermann Klaus · Marktl, DE
• Klaus-Peter Mohr · Burghausen, DE

Key dates

• Filing date: Apr 5, 1991
• Grant date: Nov 26, 1991
• Expiry date: Apr 5, 2011

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C17/25
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to a process for purifying unreacted 1,2-dichloroethane from a 1,2-dichloroethane pyrolysis process by chlorinating the benzene produced as a by-product and removing the chlorination products by distillation.