Polyoxazolidones and production thereof

US11180603B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Hans-Josef Thomas · Korschenbroich, DE
• Markus Schuette · Melle, DE
• Berend Eling · Ludwigshafen, DE
• Patrick Matt · Marktoberdorf, DE

Key dates

• Filing date: Feb 14, 2018
• Grant date: Nov 23, 2021
• Expiry date: Aug 14, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G18/7621
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present patent application relates to a thermoplastic polymer produced at least from diisocyanate and diepoxide using a catalyst, wherein the catalyst is an ionic liquid, to an associated production method and use.