Alcoholic aqueous gel-like phospholipid composition, its use and topical preparations containing it

US5741513A · kind A · utility

Assignee

• A. Natterman & Cie GmbH · DE

Inventors

• Miklos Ghyczy · Cologne, DE
• Joachim Roding · Wiesbaden, DE
• Hans Lautenschlager · Pulheim, DE
• Walter Hameister · Pulheim, DE
• Jorg Hager · Cologne, DE

Key dates

• Filing date: Jun 7, 1995
• Grant date: Apr 21, 1998
• Expiry date: Jun 7, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/2984
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

An alcoholic, aqueous gel-like phospholipid composition is disclosed which contains, as alcohols, ethanol, 1-propanol or 2-propanol, which is characterized in that this composition is a liposomal gel composed of 15.00 to 30.00 parts by weight of a phospholipid concentrate, 14.00 to 20.00 parts by weight of alcohol and 50 to 71.00 parts by weight of an aqueous solution as the remainder. The use of this phospholipid composition for the preparation of liposomal solutions by dilution with a solution and topical preparations which contain these solutions are additionally disclosed.