Method and apparatus for production and use of 11c carbon monoxide in labeling synthesis
CA 2448524 A1 · Owner: Amersham Plc · Inventors: Kihlberg, Tor; Langstroem, Bengt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A new method for the production and use of a carbon-isotope monoxide enriched gas-mixture from an initial carbon-isotope dioxide gas mixture is presented. The method comprises the steps of providing carbon-isotope dioxide in a suitable carrier gas, converting carbon-isotope dioxide to carbon-isotope monoxide by introducing said gas mixture in a reactor device trapping carbon-, isotope monoxide in a carbon monoxide trapping device wherein carbon-isotope , monoxide is trapped but not said carrier gas and releasing said trapped , carbon-isotope monoxide from said trapping device in a well defined microplug, whereby a volume of carbon-isotope monoxide enriched gas-mixture is achieved, …
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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 June 19, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 19, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 19, 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
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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.