Salts comprising cyanoborate anions

US7645434B2 · kind B2 · utility

Assignee

• Merck Patent GmbH · DE

Inventors

• Urs Welz-Biermann · Mannheim, DE
• Nikolai (Mykola) Ignatyev · Duisburg, DE
• Eduard Bernhardt · Duisburg, DE
• Maik Finze · Nienburg, DE
• Helge Willner · Neheim, DE

Key dates

• Filing date: Jan 15, 2004
• Grant date: Jan 12, 2010
• Expiry date: Dec 27, 2025

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/54
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A process for the preparation of alkali metal cyanoborates, the further conversion thereof into salts comprising cyanoborate anions and organic cations, these salts, and the use thereof as ionic liquids are described.