Ionic liquids containing guanidinium cations

US7709656B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Urs Welz-Biermann · Mannheim, DE
• Nikolai (Mykola) Ignatyev · Duisburg, DE
• Helge Willner · Neheim, DE
• German Bissky · Hamm, DE

Key dates

• Filing date: Apr 1, 2004
• Grant date: May 4, 2010
• Expiry date: Sep 12, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/28
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to salts having guanidinium cations, to processes for the preparation thereof, and to the use thereof as ionic liquids.