Process for preparing cyclic esters comprising unsaturated functional groups and polyesters prepared from same

US8399686B2 · kind B2 · utility

Assignee

• EVONIK DEGUSSA GMBH · DE

Inventors

• Peter Markland · Birmingham, US
• Xi Zhang · Singapore, SG

Key dates

• Filing date: Dec 15, 2010
• Grant date: Mar 19, 2013
• Expiry date: May 23, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G63/08
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

Disclosed herein are process for preparing cyclic esters comprising unsaturated functional groups. Also disclosed are copolymers prepared from the cyclic esters. The copolymers can be used to form microparticles, polymer micelles, etc., which are useful in drug delivery applications.