Transmutable radiotherapy device and methods of making same
CA 2349291 A1 · Owner: Bricault, Raymond J. · Inventors: Sioshansi, Piran; Bricault, Raymond J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A general purpose radiotherapy device (30) can be fabricated to net or nearnet shape and then made radioctive in a single activation step. The device is made at least partially of a transmutable material (42) which is transformable to a radioisotope-containing material upon activation by an accelerated beam of charged particles, such as protons, deuterons or alpha particles. The transmutable material (42) is preferably rhodium and the radioisotope preferably comprises palladium (103).
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 November 2, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 2, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 2, 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
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.