Poly amino dicarboxylic acid-co-anhydro amino dicarboxylic acid derivative

US5317065A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Volker Krone · Flörsheim, DE
• Axel Walch · Baldham, DE

Key dates

• Filing date: Mar 25, 1993
• Grant date: May 31, 1994
• Expiry date: Mar 25, 2013

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G73/14
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to biologically degradable polymers, in particular polyaminodicarboxylic acid-co-anhydroaminodicarboxylic acid derivatives, to a process for their preparation and to the use thereof for depot preparations having controlled delivery of active compound.