Chelator incorporated arg-gly-asp (rgd) mimetic synthetic disintegrins as imaging agents
CA 2341672 A1 · Owner: Singh, Prahland R. · Inventors: Singh, Prahland R.; Rajopadhye, Milind
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention describes novel compounds of formula (I) wherein R1 R2, R3, R4, and n are as defined herein which act as antagonists of the platelet glycoprotein IIb/IIIa complex, 99mTc labeled radiopharmaceuticals made therefrom, methods of using the same as imaging agents for the diagnosis of arterial and venous thrombi, and kits comprising the same.
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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 October 13, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2021.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
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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.