Patent Number: 6,251,366

Title: Use of dispersions of magneto-ionic particles as MRI contrast media

Abstract: The invention relates to the use of dispersions of magneto-ionic particles consisting essentially of superparamagnetic solid particles and at least one polyelectrolyte as dispersing substance in water for the preparation of an MRI contrast medium.

Inventors: Kormann; Claudius (Schifferstadt, DE), Anseau; Michel Robert (Havre, BE), Muller; Robert Nicolas Henry (Mons, BE)

Assignee: BASF Aktiengesellschaft

International Classification: A61K 49/18 (20060101); A61K 49/06 (20060101); G01R 33/28 (20060101); A61B 005/055 ()

Expiration Date: 06/26/2018