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Last Updated: November 22, 2019

DrugPatentWatch Database Preview

Details for Patent: 6,039,931

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Which drugs does patent 6,039,931 protect, and when does it expire?

Patent 6,039,931 protects EOVIST and is included in one NDA.

This patent has thirty-three patent family members in twenty-four countries.

Summary for Patent: 6,039,931
Title: Derivatized DTPA complexes, pharmaceutical agents containing these compounds, their use, and processes for their production
Abstract:Compounds of general Formula I ##STR1## wherein Z.sup.1 and Z.sup.2 in each case independently mean the residue wherein m and n means the numbers 0-20, k, l, q and r means the numbers 0 and 1, and R means a hydrogen atom, an optionally OR.sup.1 -substituted C.sub.1 -C.sub.6 -alkyl residue, or a CH.sub.2 COOR.sup.1 group with R.sup.1 meaning it hydrogen atom, a C.sub.1 -C.sub.6 -alkyl residue, or a benzyl group, X means a hydrogen atom and/or a metal ion equivalent of an element of atomic number 21-29, 42, 44 or 57-83, with the provisos that at least two the substituents X stand for a metal ion equivalent; that one of the substituents Z.sup.1 and Z.sup.2 stands for a hydrogen and the other is not H; that--if n and l each mean the number 0--k and r do not simultaneously mean the number 1; that --(O).sub.r --R is not --OH; and that Z.sup.1 and Z.sup.2 are not --CH.sub.2 --C.sub.6 H.sub.4 --O--CH.sub.2 --COOCH.sub.2 C.sub.6 H.sub.5 or --CH.sub.2 --C.sub.6 H.sub.4 --O--(CH.sub.2).sub.5 --COOCH.sub.2 C.sub.6 H.sub.5, as well as their salts with inorganic and/or organic bases, amino acids or amino acid amides, are valuable pharmaceutical agents, e.g., for NMR.
Inventor(s): Schmitt-Willich; Heribert (Berlin, DE), Platzek; Johannes (Berlin, DE), Gries; Heinz (Berlin, DE), Schumann-Giampieri; Gabrielle (Berlin, DE), Weinmann; Hanns-Joachim (Berlin, DE), Vogler; Hubert (Berlin, DE), Deutsch; Julius (Berlin, DE), Conrad; Juergen (Berlin, DE)
Assignee: Schering Aktiengesellschaft (Berlin, DE)
Application Number:08/319,357
Patent Claim Types:
see list of patent claims
Use; Delivery; Composition;

Drugs Protected by US Patent 6,039,931

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
Bayer Hlthcare EOVIST gadoxetate disodium SOLUTION;INTRAVENOUS 022090-001 Jul 3, 2008 RX Yes Yes   Start Trial   Start Trial MAGNETIC RESONANCE IMAGING OF THE LIVER   Start Trial
Bayer Hlthcare EOVIST gadoxetate disodium SOLUTION;INTRAVENOUS 022090-002 Feb 4, 2013 RX Yes No   Start Trial   Start Trial MAGNETIC RESONANCE IMAGING OF THE LIVER   Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 6,039,931

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany39 22 005Jun 30, 1989

International Family Members for US Patent 6,039,931

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 115546   Start Trial
Australia 5802490   Start Trial
Australia 637111   Start Trial
Canada 2020142   Start Trial
Czechoslovakia 9003174   Start Trial
Czech Republic 277926   Start Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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Serving leading biopharmaceutical companies globally:

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