US 4,957,939 AGranted

Sterile pharmaceutical compositions of gadolinium chelates useful enhancing NMR imaging

AssigneeSchering Corporation

InventorsHeinz Gries, Douwe Rosenberg, Hanns-Joachim Weinmann

Life of this patent

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Abstract

Pharmaceutical compositions comprising gadolinium chelates are useful for enhancing NMR images.

Claims32

Dependent claims

A pharmaceutical composition for enhancement of NMR imaging comprising a physiologically compatible gadolinium chelate complex and a pharmaceutically acceptable carrier, wherein said composition is sterile.

Dependencies are inferred from the claim text.

Facts

Application: 06/876,497Filed 20 Jun 1986 · division
Priority: DE 312990624 Jul 1981
Granted: 18 Sep 1990
Term ends: Not estimatedThe source records don’t support an estimate.

Classification27 codes

C07C 323/25
Having the sulfur atoms of the thio groups bound to acyclic carbon atoms of the carbon skeleton: the carbon skeleton being acyclic and saturated
A61K 49/04
Preparations for testing in vivo: x-ray contrast preparations
A61K 49/085
Characterised by the carrier: conjugated systems
A61K 49/10
Characterised by the carrier: organic compounds

Family

Serial401,594Parent of this continuation-in-part · filed 26 Jul 1982
Serial573,184Parent of this division · filed 23 Jan 1984
US 4,647,447 AParent of this division
US 4,957,939 AThis patent

From the US filing history. Foreign family members aren’t listed.

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