Process for the extraction of tritium from heavy water
CA 1160428 A · Owner: Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Cana Da Limited · Inventors: Dombra, Allan H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Allan H. Dombra ABSTRACT OF THE DISCLOSURE, A process for the extraction of tritium from a liquid heavy water stream comprising contacting the liquid heavy water with a countercurrent gaseous deuterium in a column packed with a water-repellent catalyst such that tritium is transferred by isotopic exchange from the liquid heavy water stream to the gaseous deuterium stream passing, the gas enriched in tritium from the column through means for removing tritium therefrom and returning the gas lean in tritium to the column, and obtaining a liquid heavy water output from the column, said heavy water being reduced in tritium content.
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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
- Granted January 17, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2001.
- 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.