Strontium for melt oxidation reduction of magnesium and a method for adding strontium to magnesium
CA 2419010 A1 · Owner: Pekguleryuz, Mihriban O. · Inventors: Pekguleryuz, Mihriban O.; Vermette, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for suppressing oxidation and burning in a molten magnesium alloy which my contain beryllium, comprising covering the exposed surface of the molten alloy in a protective atmosphere and dissolving strontium into the molten alloy is disclosed. This has the benefit of reducing magnesium losses due to oxidation thereby improving efficiency of the process. There is also disclosed a magnesium casting alloy comprising from about 1% to 10% by weight of aluminum, from about 1% to 30% by weight of zinc from about, 0.004% to 0.05% by weight of strontium and unavoidable impurities the, balance being magnesium. Finally, there is disclosed a beryllium free magnesium die casting which is …
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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 February 17, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 17, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 17, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.