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Serving 500+ biopharmaceutical companies globally:

Cantor Fitzgerald
Queensland Health
Chinese Patent Office
Daiichi Sankyo
UBS
AstraZeneca
Fish and Richardson
Harvard Business School
Federal Trade Commission
McKinsey

Generated: September 26, 2017

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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 a hydrogen atom, a C.sub.1 -C.sub.6 -alkyl residue, or a benzyl group, with the proviso that at least two 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 means 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, are valuable pharmaceutical agents, e.g., for NMR or X-ray imaging.
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 (DE)
Application Number:08/461,746
Patent Claim Types:
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Compound; Composition; Use; Delivery;

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Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
GermanyP3922005.2Jun 30, 1989

International Patent Family for Patent: ► Subscribe

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
HungaryT54622► Subscribe
Denmark0405704► Subscribe
Germany122004000051► Subscribe
Germany59007987► Subscribe
Hungary210208► Subscribe
European Patent Office0405704► Subscribe300182Netherlands► Subscribe
European Patent Office0405704► SubscribeSPC/GB05/021United Kingdom► Subscribe
European Patent Office0405704► SubscribeC00405704/01Switzerland► Subscribe
European Patent Office0405704► Subscribe16/2005Austria► Subscribe
European Patent Office0405704► SubscribeC300182Netherlands► Subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Serving 500+ biopharmaceutical companies globally:

Johnson and Johnson
Mallinckrodt
Boehringer Ingelheim
McKinsey
Express Scripts
Queensland Health
US Army
UBS
Medtronic
Chinese Patent Office

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