Ionic liquids for solubilizing polymers

US8044120B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Giovanni D'Andola · Heidelberg, DE
• Laszlo Szarvas · Ludwigshafen, DE
• Klemens Massonne · Bad Dürkheim, DE
• Veit Stegmann · Mannheim, DE

Key dates

• Filing date: Oct 12, 2007
• Grant date: Oct 25, 2011
• Expiry date: Dec 15, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D487/04
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a liquid composition which comprises at least one polymer and at least one ionic liquid, the cations of which are derived from polycyclic amidine bases, and a process for isolating cellulose from cellulose-containing sources using at least one such ionic liquid.