Polycarboxylic based cross-linked copolymers

US6229009A · kind A · utility

Assignee

• Société de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S) SAS · FR

Inventors

• Nada Lambert · Paris, FR
• Denis Labarre · Villebon, FR
• Hatem Fessi · Paris, FR

Key dates

• Filing date: Feb 18, 1999
• Grant date: May 8, 2001
• Expiry date: Feb 18, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/915
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A cross-linked copolymer based on at least one non-crosslinked polycarboxylic polysaccharide and at least one second non-crosslinked polycarboxylic polymer which is not a polycarboxylic polysaccharide and a cross-linking agent having at least two amine functions.