Ionic liquids and production and use thereof

US6703507B2 · kind B2 · utility

Assignee

• CELANESE CHEMICALS EUROPE GMBH · DE

Inventors

• Helmut Bahrmann · Hamminkeln, DE
• Hans Bohnen · Niedernhausen, DE

Key dates

• Filing date: Oct 16, 2001
• Grant date: Mar 9, 2004
• Expiry date: Dec 25, 2021

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E60/10
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to novel ionic liquids and to the production and use thereof. The novel ionic liquids are salts of sulphonated or carboxylated triesters of phosphorous acid as the anionic component and ammonium ions, which can be substituted with organic radicals, as the cationic component.