Tamper resistant dosage form comprising an anionic polymer

US9636303B2 · kind B2 · utility

Assignee

• Gruenenthal GmbH · DE

Inventors

• Lutz Barnscheid · Mönchengladbach, DE
• Sebastian Schwier · Aachen, DE
• Johannes BARTHOLOMÄUS · Aachen, DE

Key dates

• Filing date: Sep 1, 2011
• Grant date: May 2, 2017
• Expiry date: Jun 13, 2032

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/2054
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

A pharmaceutical dosage form and method of using same, the pharmaceutical dosage form exhibiting a breaking strength of at least 500 N, said dosage form containing