Positron emission tomography device
CA 2432142 A1 · Owner: Asai, Keisuke · Inventors: Asai, Keisuke; Shibuya, Kengo; Koshimizu, Masanori
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A positron emission tomography (PET) device using a .gamma.-ray detector consisting of a scintillator and a photodetector characterized in that a , perovskite type organic/inorganic hybrid compound represented by a general formula (R1-NR113)2MX4, or (R2=NR122)2MX4 or (NR133-R3-NR133)MX4, or , (NR142=R4=NR142)MX4 or AMX3 is used as the scintillator~. Since a scintillator having a response speed as high as about 10-10 sec is used a , time-of-flight type PET can be implemented.
Read the whole patent
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 29, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 29, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 29, 2024.
- 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
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.