Patent · US Expired

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

US5190982A · kind A · utility

117Cited by

3References

1Claims

0Family size

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	May 26, 1992
Grant date	Mar 2, 1993
Priority date	—
Expiry date	May 26, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG09F13/0427
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.