Tamper-resistant dosage form comprising pharmacologically active compound and anionic polymer

US9655853B2 · kind B2 · utility

Assignee

• GRÜNENTHAL GMBH · DE

Inventors

• Lutz Barnscheid · Mönchengladbach, DE
• Jessica Redmer · Rheydt, DE
• Sebastian Schwier · Aachen, DE

Key dates

• Filing date: May 27, 2016
• Grant date: May 23, 2017
• Expiry date: May 27, 2036

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K9/2095
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to a pharmaceutical dosage form having a breaking strength of at least 300 N and comprising a pharmacologically active compound, an anionic polymer bearing carboxylic groups, wherein the content of the anionic polymer is ≧20 wt.-%, based on the total weight of the pharmaceutical dosage form, and a nonionic surfactant.