CLAY ENCLOSED TRANSITION AND RARE EARTH METAL IONS AS CONTRAST AGENTS FOR THE GASTROINTESTINAL TRACT - Patent 0646237

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EP 0 646 237 A1

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(43)	Date of publication:
	05.04.1995 Bulletin 1995/14

(21)	Application number: 93915212.0

(22)	Date of filing: 04.06.1993

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International Patent Classification (IPC):

G01R 33/ 28^{( . )}
A61K 49/ 00^{( . )}

A61B 5/ 055^{( . )}
A61K 49/ 18^{( . )}

(86)	International application number:
	PCT/US1993/005350

(87)	International publication number:
	WO 1993/025895 (23.12.1993 Gazette 1993/30)

(84)	Designated Contracting States:
	AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

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Priority:

15.06.1992 US 19920898906
27.05.1993 US 19930070351

(71)	Applicant: BOARD OF REGENTS THE UNIVERSITY OF TEXAS SYSTEM
	Austin, Texas 78701 (US)

(72)	Inventor:
	BALKUS, Kenneth, J., Jr. The Colony, TX 75056 (US)

(74)	Representative: Dost, Wolfgang, Dr.rer.nat., Dipl.-Chem., et al
	Patent- und Rechtsanwälte Bardehle . Pagenberg . Dost . Altenburg . Frohwitter . Geissler & Partner Galileiplatz 1 D-81679 München D-81679 München (DE)

(54)	CLAY ENCLOSED TRANSITION AND RARE EARTH METAL IONS AS CONTRAST AGENTS FOR THE GASTROINTESTINAL TRACT