Details for Patent: 4,364,921

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Summary for Patent: 4,364,921

Title:	Novel triiodinated isophthalic acid diamides as nonionic X-ray contrast media
Abstract:	New triiodinated isophthalic acid diamides of the formula ##STR1## wherein the amide residues --CO--N.R.sub.1 R.sub.2 and --CO--N.R.sub.3 R.sub.4 are different from each other and R.sub.1 is hydrogen or C.sub.1-6 alkyl, R.sub.2 is mono- or polyhydroxyalkyl, R.sub.3 is hydrogen or C.sub.1-6 alkyl, R.sub.4 is mono- or polyhydroxylalkyl, R.sub.5 is C.sub.1-6 alkyl or mono- or polyhydroxy-C.sub.1-6 -alkyl or C.sub.1-3 -alkoxy-C.sub.1-3 -alkyl, and R.sub.6 is hydrogen, C.sub.1-6 alkyl or mono- or polyhydroxyalkyl provide superior nonionic X-ray contrast media.
Inventor(s):	Speck; Ulrich (Berlin, DE), Blaszkiewicz; Peter (Berlin, DE), Seidelmann; Dieter (Berlin, DE), Klieger; Erich (Berlin, DE)
Assignee:	Schering, Aktiengesellschaft (Berlin & Bergkamen, DE)
Application Number:	06/127,613
Patent Claim Types: see list of patent claims	Compound; Composition; Use;

Drugs Protected by US Patent 4,364,921

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Foreign Priority and PCT Information for Patent: 4,364,921

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	2909439	Mar 08, 1979

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