Method for preparing polyesters

US12104013B2 · kind B2 · utility

Assignee

• Technip Zimmer GMBH · DE

Inventors

• Eckhard Seidel · Frankfurt, DE
• Rainer Linke · Gummersbach, DE

Key dates

• Filing date: Jul 17, 2017
• Grant date: Oct 1, 2024
• Expiry date: Apr 2, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/005
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The present application relates to a process for preparing polyesters comprising reacting a dicarboxylic acid with butanediol in the presence of a catalyst, wherein in the process an aluminosilicate is present, as well as the use of aluminosilicates in such a process.