Processing of brines containing magnesium chloride
CA 1079486 A · Owner: Mines De Potasse D'Alsace S.A. · Inventors: Bichara, Michel; Aubry, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is related to the processing of brines containing magnesium chloride in the presence of alkali metal chlorides. According to this process, the brines are treated by dioxane the thus formed precipitate is recovered and dioxane is separated from this precipitate in order to obtain solid magnesium chloride hydrate. This process allows in particular the recovery of magnesium chloride from carnallitic mother liquors or brines.
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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 June 17, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 17, 1997.
- 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.