Nanoparticles containing an active substance and a ketalized polytartramidic acid, process for their preparation, and use thereof

US5674531A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Michael Ahlers · Mainz, DE
• Axel Walch · Baldham, DE
• Gerhard Seipke · Hofheim, DE
• Gregory John Russell-Jones · Chatswood, AU

Key dates

• Filing date: Mar 7, 1995
• Grant date: Oct 7, 1997
• Expiry date: Mar 7, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S977/915
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Nanoparticles containing an active substance and a ketalized polytartramidic acid, process for their preparation, and use thereof. Nanoparticles containing an active substance and a ketalized polytartramidic acid are suitable as vehicles for active substances, in particular for peptides and proteins. Processes for the preparation of the nanoparticles are described.