Injectable pharmaceutical solutions

US4088759A · kind A · utility

Assignee

• Boehringer Mannheim GmbH · DE

Inventors

• Heinrich Woog · Hemsbach, DE
• Werner Gruber · Erkrath, DE
• Werner Rothe · Rellingen, DE

Key dates

• Filing date: Nov 16, 1976
• Grant date: May 9, 1978
• Expiry date: Nov 16, 1996

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61K47/183
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Stable, physiologically compatible, injectable solutions comprising, as an active ingredient, an alkali metal salt of canrenoic acid or a mixture of an alkali metal canrenoate and a diuretic, and an aqueous, physiologically compatible alkaline buffer having a low buffer capacity and yielding a pH range of 10.2 to 11.2, e.g., tripotassium phosphate, potassium carbonate or potassium glycinate.