Method for heavy-water production by the h2s-h2o chemical exchange process
CA 1066484 A · Owner: Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Cana Da Limited · Inventors: Strathdee, Graeme G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Graeme G. Strathdee, ABSTRACT OF DISCLOSURE A heavy water production stage in a bithermal H2S gas - H2O liquid exchange plant wherein the cold tower is operated under temperature and pressure conditions such. that H2S in the liquid phase is formed and is maintained in the separation units (sieve trays or plates) of the cold tower. It has been found that the presence of liquid H2S acts as an efficient anti-foaming agent.
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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 November 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 1996.
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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.