Pharmaceutical amitriptylin oxide preparation and process for its manufacture

US4567202A · kind A · utility

Assignee

• A NATTERMANN & CIE GMBH · DE

Inventors

• Manfred Durr · Bad Sobernheim, DE
• Benedikt Gajdos · Neunburg vorm Wald, DE
• Klaus-Dieter Gneuss · Cologne, DE
• Ekkehard Harhausen · Cologne, DE
• Jürgen Seidel · Kreuztal, DE

Key dates

• Filing date: Nov 3, 1983
• Grant date: Jan 28, 1986
• Expiry date: Nov 3, 2003

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P25/26
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Stable pharmaceutical preparations comprising amitriptylin oxide dihydrate as an active substance and an organic acid from the group of hydroxy carboxylic acids, ketocarboxylic acids or amino acids as a stabilizer besides conventional pharmaceutical auxiliaries and carrier substances.