Process for the production of 1, 2-butadiene

US6175049A · kind A · utility

Assignee

• EC Erdolchemie GmbH · DE

Inventors

• Arnd Stuwe · Leverkusen, DE
• Jurgen Linnemann · Neuss, DE
• Jens Herwig · Cologne, DE
• Christian Gabel · Dormagen, DE
• Bernd Hohmann · Dormagen, DE
• Joachim Grub · Dormagen, DE

Key dates

• Filing date: Aug 17, 1999
• Grant date: Jan 16, 2001
• Expiry date: Aug 17, 2019

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C7/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The production of 1,2-butadiene in purities of at least 85% becomes possible by means of a process in which a polymerization-inhibitor-containing C.sub.4 hydrocarbon fraction is subjected to at least one fractional distillation.