Slow release tablet prepared from linear water-insoluble polysacchrides

US6592897B1 · kind B1 · utility

Assignee

• Axiva GmbH · DE

Inventors

• Holger Bengs · Frankfurt, DE
• Silke Schuth · Ruppach-Goldhausen, DE
• Jürgen Grande · Bad Soden, DE
• Gitte Böhm · Frankfurt, DE
• Arnold Schneller · Mainz, DE

Key dates

• Filing date: Jan 25, 2001
• Grant date: Jul 15, 2003
• Expiry date: Jan 25, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/1652
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a controlled release tablet which in part or as a whole contains water-insoluble linear polysaccharides, preferably the polysaccharide poly(1,4-&agr;-D-glucan), in the form of microparticles, as retardation material. The tablet is also capable of controllably releasing an active agent.