Complexes containing perfluoroalkyl with polar radicals, method for the production and use thereof
CA 2419259 A1 · Owner: Mareski, Peter · Inventors: Weinmann, Hanns-Joachim; Niedballa, Ulrich; Raduchel, Bernd
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to complexes containing perfluoroalkyl with polar radicals of general formula (I), wherein R represents the polar radical Rf is , a perfluorated carbon chain, K is a metal complex and Z is a linker group. The inventive complexes are suitable for intravenous lymphography tumor diagnosis , and infarct and necrosis imaging.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed July 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2023.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.