Ultrasonic contrast agents, processes for their preparation and the use thereof as diagnostic and therapeutic agents

US5137928A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Raimund Erbel · Mainz, DE
• Rainer Zotz · Mainz, DE
• Volker Krone · Flörsheim, DE
• Michael Magerstadt · Hofheim, DE
• Axel Walch · Baldham, DE

Key dates

• Filing date: Apr 24, 1991
• Grant date: Aug 11, 1992
• Expiry date: Apr 24, 2011

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention relates to ultrasonic contrast agents composed of microparticles which contain a gas and polyamino-dicarboxylic acid-co-imide derivatives, to processes for their preparation and to their use as diagnostic and therapeutic agents.