Ionic liquids

US8642778B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Peter Wasserscheid · Cologne, DE
• Natalia Paape · Wiesbaden, DE
• Andreas Boesmann · Prüm, DE
• Peter J. Schulz · Midland, US

Key dates

• Filing date: May 12, 2009
• Grant date: Feb 4, 2014
• Expiry date: May 18, 2030

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/5004
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to chemical compounds comprising a [Y(CHRa)n—CH(Ra)SO3]− anion, their preparation and application. The chemical compounds are preferably ionic liquids.