Patents Represented by Attorney, Agent or Law Firm Felissa H. Cugan - Justia Patents Search

Patents Represented by Attorney, Agent or Law Firm Felissa H. Cugan

Process for producing polymeric microparticles, microparticles produced by said process and the use of such particles in medical diagnostics

Patent number: 6468506

Abstract: The invention relates to a process for the production of gaseous microparticles for ultrasonic diagnosis, whose wall material is built up from polyesters of &agr;-, &bgr;- or &ggr;- hydroxycarboxylic acids, particles that are produced according to this process, as well as their use in medical diagnosis.

Type: Grant

Filed: March 9, 1998

Date of Patent: October 22, 2002

Assignee: Actipac Biosystems GmbH

Inventors: Georg R{haeck over (o)}ssling, Celal Albayrak, Matthias Rothe