Film coating

US6827947B2 · kind B2 · utility

Assignee

• ASTRAZENECA AB · SE

Inventors

• Jan-Erik Lofroth · Mölndal, SE
• Staffan Schantz · Timrå, SE
• Anders Welin · Mölndal, SE
• Lars Johan Pontus de Verdier Hjartstam · Hermeskeil, DE

Key dates

• Filing date: Jun 16, 2003
• Grant date: Dec 7, 2004
• Expiry date: Jun 16, 2023

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A film coating composition suitable for use in coating pharmaceutical formulations to provide modified release comprising a dispersion which includes: a) an acrylic polymer, b) a vinyl acetate polymer, and c) a water-containing liquid. The film coat is useful for the achievement of modified release from pharmaceutical formulations such as tablets, pellets, etc.