Active ingredient-containing floating forms comprising polyvinyl acetate and polyvinylpyrrolidone, their use and production

US6635279B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Karl Kolter · Ludwigshafen am Rhein, DE
• Michael Schönherr · Bischofswerda, DE
• Hermann Ascherl · Dirmstein, DE

Key dates

• Filing date: Mar 20, 2001
• Grant date: Oct 21, 2003
• Expiry date: Mar 27, 2021

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/2027
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The present invention relates to oral dosage forms comprisinga) one or more active ingredientsb) a formulated mixture of polyvinyl acetate and polyvinylpyrrolidonec) where appropriate other excipients customary for producing the dosage form,wherein they float on gastric fluid and display delayed release of active ingredient, and to the use and production thereof.