Oligomerization of isobutene in N-butenic hydrocarbon streams

US7161053B2 · kind B2 · utility

Assignee

• OXENO OLEFINCHEMIE GMBH · DE

Inventors

• Andreas Beckmann · Pforzheim, DE
• Franz Nierlich · Marl, DE
• Udo Peters · Marl, DE
• Wilfried Buschken · Haltern am See, DE
• Lothar Kerker · Ulmen, DE
• Dietrich Maschmeyer · Recklinghausen, DE
• Dirk Rottger · Recklinghausen, DE

Key dates

• Filing date: Aug 6, 2003
• Grant date: Jan 9, 2007
• Expiry date: Jan 19, 2024

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C7/177
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Isobutene in isobutenic hydrocarbon mixtures is oligomerized over a solid acidic ion exchange resin, said acidic ion exchange resin containing, for example, sulfonic acid groups, some of whose protons have been exchanged for metal ions.