Pharmaceutical Business Intelligence

  • Predict branded drug patent expiration
  • Obtain formulation and manufacturing information
  • Set up watchlists for daily email updates

► Plans and Pricing

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

How our clients use DrugPatentWatch

DrugPatentWatch Database Preview

Details for Patent: 5,798,092

« Back to Dashboard

Summary for Patent: 5,798,092

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:
see list of patent claims
Compound; Composition; Use; Delivery;

No matches for this query

Foreign Priority and PCT Information for Patent: 5,798,092

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

International Patent Family for Patent: 5,798,092

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria115546► Subscribe
Australia5802490► Subscribe
Australia637111► Subscribe
Canada2020142► Subscribe
Czechoslovakia9003174► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

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.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

How our clients use DrugPatentWatch

Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.