Method of evaporation of solutions accompanied by crystallization of salts
CA 2368808 A1 · Owner: Russian National Aluminium And Magnesium Institute (Vami) · Inventors: Tirtishnyi, Vladilen M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method of evaporation of solutions accompanied by crystallization of salts. The method consists of the steps of heating of a solution, by a heating medium; evacuation of a condensed portion of the heating medium; and removal of an evaporated solution containing crystals of salts wherein a, portion of the condensed heating medium in the form of a fine spray is mixed with particles of the evaporated solution containing the crystals of salts.
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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 January 22, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 22, 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.