Liquid diclofenac preparations

US4711906A · kind A · utility

Assignee

• Merckle GmbH · DE

Inventors

• Otto von Stetten · Aachen, DE
• Pyare L. Seth · Aesch, CH
• Franz Schmid · Bayreuth, DE
• Kurt Rauchle · Blaubeuren, DE

Key dates

• Filing date: Dec 20, 1985
• Grant date: Dec 8, 1987
• Expiry date: Dec 20, 2005

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K47/10
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Disclosed are aqueous, stable, relatively concentrated solutions of diclofenac, which contain a mixture of propylene glycol and polyethylene glycol in defined quantitative proportions. The solutions preferably contain a local anesthetic such as lidocaine and a reducing agent as stabilizer.